├── spring-boot-manage-books ├── sql │ └── final_sql.sql ├── 文档 │ └── 需求.pdf ├── src │ └── main │ │ ├── resources │ │ ├── static │ │ │ └── lib │ │ │ │ ├── images │ │ │ │ ├── qc.jpg │ │ │ │ ├── qc1.jpg │ │ │ │ ├── qc2.jpg │ │ │ │ ├── avatar.jpg │ │ │ │ ├── managebooks_intro1.png │ │ │ │ ├── managebooks_intro2.png │ │ │ │ ├── managebooks_intro3.png │ │ │ │ ├── managebooks_intro4.png │ │ │ │ ├── managebooks_intro5.png │ │ │ │ ├── managebooks_intro6.png │ │ │ │ └── managebooks_intro7.png │ │ │ │ └── css │ │ │ │ └── signin.css │ │ ├── Mapper │ │ │ ├── mail.xml │ │ │ └── user.xml │ │ ├── application.yml │ │ └── templates │ │ │ └── login.html │ │ └── java │ │ └── com │ │ └── gaohanghang │ │ └── springbootmanagebooks │ │ ├── entity │ │ ├── ProcessResult.java │ │ ├── MailDetail.java │ │ ├── Reservation.java │ │ ├── ReservationDetail.java │ │ ├── Book.java │ │ ├── BorrowDetail.java │ │ ├── Borrow.java │ │ ├── ReservationResult.java │ │ ├── User.java │ │ └── BookList.java │ │ ├── exception │ │ ├── AddBooklistException.java │ │ └── ReservationException.java │ │ ├── service │ │ ├── UserService.java │ │ ├── MailService.java │ │ ├── UserServiceImpl.java │ │ └── BookService.java │ │ └── dao │ │ ├── MailMapper.java │ │ ├── UserMapper.java │ │ └── BookMapper.java └── README.md ├── spring-boot-file └── src │ └── main │ └── resources │ ├── application.yml │ ├── settings.properties │ └── static │ └── index.html ├── springboot_logstash ├── src │ ├── main │ │ ├── resources │ │ │ ├── application.properties │ │ │ ├── logstash │ │ │ │ └── springboot.conf │ │ │ └── logback-spring.xml │ │ └── java │ │ │ └── com │ │ │ └── dalaoyang │ │ │ └── SpringbootLogstashApplication.java │ └── test │ │ └── java │ │ └── com │ │ └── dalaoyang │ │ └── SpringbootLogstashApplicationTests.java └── .gitignore ├── financial-system ├── README.md ├── 文档 │ └── 数据库设计 │ │ ├── 产品表.png │ │ └── 订单表.png └── sql │ ├── seller.sql │ └── manager.sql ├── spring-boot-mail ├── src │ ├── main │ │ ├── resources │ │ │ ├── application.yml │ │ │ ├── static │ │ │ │ └── common.js │ │ │ └── spring-context-dubbo.xml │ │ ├── webapp │ │ │ ├── index.jsp │ │ │ └── WEB-INF │ │ │ │ └── web.xml │ │ └── java │ │ │ └── com │ │ │ └── gaohanghang │ │ │ └── mail │ │ │ ├── common │ │ │ ├── task │ │ │ │ └── SendMail.java │ │ │ ├── Dynamicquery │ │ │ │ └── NativeQueryResultEntity.java │ │ │ ├── util │ │ │ │ ├── Constants.java │ │ │ │ └── CommonUtil.java │ │ │ ├── interceptor │ │ │ │ └── MyAdapter.java │ │ │ ├── api │ │ │ │ └── SwaggerConfig.java │ │ │ ├── model │ │ │ │ └── Result.java │ │ │ └── queue │ │ │ │ └── MailQueue.java │ │ │ ├── repository │ │ │ └── MailRepository.java │ │ │ ├── web │ │ │ ├── IndexController.java │ │ │ └── mailController.java │ │ │ ├── entity │ │ │ └── OaEmail.java │ │ │ └── service │ │ │ └── IMailService.java │ └── test │ │ └── java │ │ └── com │ │ └── gaohanghang │ │ └── mail │ │ └── countDownLatch │ │ ├── Main.java │ │ └── verifier │ │ ├── CacheHealthChecker.java │ │ ├── DatabaseHealthChecker.java │ │ ├── NetworkHealthChecker.java │ │ └── BaseHealthChecker.java └── README.md ├── spring-boot-miaosha ├── README.md └── src │ └── main │ ├── resources │ └── templates │ │ └── hello.html │ └── java │ └── com │ └── imooc │ └── miaosha │ ├── domain │ └── User.java │ ├── dao │ └── UserDao.java │ ├── service │ └── UserService.java │ ├── result │ └── Result.java │ └── controller │ └── SampleController.java ├── spring-boot-course-manage-system └── README.md ├── spring-boot-mongodb ├── README.md └── src │ └── main │ └── java │ └── com │ └── gaohanghang │ └── springbootmongodb │ └── dao │ └── DemoDao.java ├── spring-boot2_1_study ├── README.md └── src │ └── main │ └── resources │ └── banner.txt ├── issues-dashboard └── README.md ├── spring-boot-google-jib ├── README.md └── src │ └── main │ └── java │ └── com │ └── gaohanghang │ └── springbootgooglejib │ └── controller │ └── WebController.java ├── spring-boot-online-executor ├── doc │ └── pic │ │ ├── 项目展示.gif │ │ ├── getTask执行流程.jpg │ │ ├── Java程序编译和运行的过程.jpg │ │ ├── 在线执行Java代码实现流程.jpg │ │ └── 客户端程序编译和运行的过程.jpg └── src │ ├── main │ └── java │ │ └── com │ │ └── gaohanghang │ │ └── springbootonlineexecutor │ │ ├── compile │ │ └── StringSourceCompiler.java │ │ └── execute │ │ └── HotSwapClassLoader.java │ └── test │ └── java │ └── com │ └── gaohanghang │ └── springbootonlineexecutor │ ├── OnlineExecutor │ └── OnlineExecutorApplicationTests.java │ └── execute │ └── ByteUtilsTest.java ├── kafka-example-imooc ├── .mvn │ └── wrapper │ │ ├── maven-wrapper.jar │ │ └── maven-wrapper.properties └── src │ ├── main │ ├── java │ │ └── com │ │ │ └── imooc │ │ │ └── kafka │ │ │ ├── common │ │ │ ├── ErrorCode.java │ │ │ ├── Response.java │ │ │ └── MessageEntity.java │ │ │ ├── ExampleApplication.java │ │ │ ├── consumer │ │ │ └── SimpleConsumer.java │ │ │ └── producer │ │ │ └── SimpleProducer.java │ └── resources │ │ └── application.properties │ └── test │ └── java │ └── com │ └── imooc │ └── kafka │ └── ExampleApplicationTests.java ├── jdbc-easy-meal-card-system ├── target │ ├── test-classes │ │ └── Test.class │ └── classes │ │ ├── dao │ │ └── CardDao.class │ │ ├── entity │ │ └── Card.class │ │ ├── utils │ │ └── JdbcUtil.class │ │ ├── service │ │ └── CardService.class │ │ └── controller │ │ └── CardController.class ├── logfile.log ├── README.md ├── src │ ├── test │ │ └── java │ │ │ └── Test.java │ └── main │ │ └── java │ │ └── utils │ │ └── JdbcUtil.java ├── pom.xml └── MySQL.sql ├── spring-boot-message-board ├── .mvn │ └── wrapper │ │ ├── maven-wrapper.jar │ │ └── maven-wrapper.properties ├── src │ ├── main │ │ ├── resources │ │ │ ├── static │ │ │ │ ├── favicon.ico │ │ │ │ ├── css │ │ │ │ │ └── style.css │ │ │ │ ├── fonts │ │ │ │ │ ├── glyphicons-halflings-regular.eot │ │ │ │ │ ├── glyphicons-halflings-regular.ttf │ │ │ │ │ ├── glyphicons-halflings-regular.woff │ │ │ │ │ └── glyphicons-halflings-regular.woff2 │ │ │ │ └── js │ │ │ │ │ ├── npm.js │ │ │ │ │ └── util.js │ │ │ └── application.yml │ │ └── java │ │ │ └── com │ │ │ └── gaohanghang │ │ │ └── messageboard │ │ │ ├── service │ │ │ ├── WordService.java │ │ │ ├── TalkService.java │ │ │ └── UserService.java │ │ │ ├── DemoApplication.java │ │ │ ├── dao │ │ │ ├── UserRepository.java │ │ │ ├── WordRepository.java │ │ │ └── TalkRepository.java │ │ │ ├── controller │ │ │ └── BaseExceptionHandler.java │ │ │ └── utils │ │ │ ├── CommonTools.java │ │ │ └── Response.java │ └── test │ │ └── java │ │ └── com │ │ └── gaohanghang │ │ └── messageboard │ │ └── DemoApplicationTests.java ├── .gitignore └── README.md ├── jdbc-games-store ├── README.md ├── src │ └── main │ │ └── java │ │ ├── dao │ │ ├── ShopDao.java │ │ ├── PlantDao.java │ │ ├── UserDao.java │ │ └── impl │ │ │ └── UserDaoImpl.java │ │ └── entity │ │ ├── Shop.java │ │ └── User.java ├── pom.xml └── jdbc-games-store.iml ├── socket-study ├── ScoketDemo │ ├── lib │ │ └── mysql-connector-java-5.0.8.jar │ ├── sql │ │ └── User.sql │ └── src │ │ └── com │ │ └── imooc │ │ ├── socket │ │ ├── StartClient.java │ │ └── StartServer.java │ │ ├── entity │ │ ├── File.java │ │ └── User.java │ │ ├── util │ │ ├── CommandTransfer.java │ │ └── DBUtil.java │ │ └── service │ │ └── FileService.java └── src │ ├── Test01.java │ ├── Test02.java │ ├── Test03.java │ ├── UDPClient.java │ ├── Client.java │ ├── Server.java │ └── UDPServer.java ├── .gitignore ├── jdbc-girl ├── README.md ├── pom.xml └── jdbc-girl.iml ├── qrcode-img-svg ├── README.md ├── .gitignore └── src │ └── main │ └── java │ └── QRGenDemo.java ├── spring-boot-gephi └── src │ ├── main │ ├── resources │ │ └── application.yml │ └── java │ │ └── com │ │ └── gaohanghang │ │ └── springbootgephi │ │ ├── dao │ │ ├── EdgesRepository.java │ │ ├── NodesRepository.java │ │ └── RelationShipRepository.java │ │ ├── entity │ │ ├── StatusCode.java │ │ ├── PageResult.java │ │ ├── Edges.java │ │ ├── Nodes.java │ │ └── Result.java │ │ ├── config │ │ └── CorsConfig.java │ │ ├── common │ │ └── enums │ │ │ └── Group.java │ │ ├── controller │ │ └── BaseExceptionHandler.java │ │ └── jsonexporter │ │ └── model │ │ ├── GraphElement.java │ │ └── GraphEdge.java │ └── test │ └── java │ └── com │ └── gaohanghang │ └── springbootgephi │ ├── Test.java │ └── Test2.java ├── spring-boot-statemachine ├── src │ └── main │ │ └── java │ │ └── top │ │ └── ghang │ │ └── springbootstatemachine │ │ ├── enums │ │ ├── Events.java │ │ └── States.java │ │ └── config │ │ └── EventConfig.java └── README.md ├── spring-boot-easy-excel-demo ├── src │ └── main │ │ ├── resources │ │ ├── static │ │ │ └── layui │ │ │ │ ├── font │ │ │ │ ├── iconfont.eot │ │ │ │ ├── iconfont.ttf │ │ │ │ └── iconfont.woff │ │ │ │ ├── images │ │ │ │ └── face │ │ │ │ │ ├── 0.gif │ │ │ │ │ ├── 1.gif │ │ │ │ │ ├── 2.gif │ │ │ │ │ ├── 3.gif │ │ │ │ │ ├── 4.gif │ │ │ │ │ ├── 5.gif │ │ │ │ │ ├── 6.gif │ │ │ │ │ ├── 7.gif │ │ │ │ │ ├── 8.gif │ │ │ │ │ ├── 9.gif │ │ │ │ │ ├── 10.gif │ │ │ │ │ ├── 11.gif │ │ │ │ │ ├── 12.gif │ │ │ │ │ ├── 13.gif │ │ │ │ │ ├── 14.gif │ │ │ │ │ ├── 15.gif │ │ │ │ │ ├── 16.gif │ │ │ │ │ ├── 17.gif │ │ │ │ │ ├── 18.gif │ │ │ │ │ ├── 19.gif │ │ │ │ │ ├── 20.gif │ │ │ │ │ ├── 21.gif │ │ │ │ │ ├── 22.gif │ │ │ │ │ ├── 23.gif │ │ │ │ │ ├── 24.gif │ │ │ │ │ ├── 25.gif │ │ │ │ │ ├── 26.gif │ │ │ │ │ ├── 27.gif │ │ │ │ │ ├── 28.gif │ │ │ │ │ ├── 29.gif │ │ │ │ │ ├── 30.gif │ │ │ │ │ ├── 31.gif │ │ │ │ │ ├── 32.gif │ │ │ │ │ ├── 33.gif │ │ │ │ │ ├── 34.gif │ │ │ │ │ ├── 35.gif │ │ │ │ │ ├── 36.gif │ │ │ │ │ ├── 37.gif │ │ │ │ │ ├── 38.gif │ │ │ │ │ ├── 39.gif │ │ │ │ │ ├── 40.gif │ │ │ │ │ ├── 41.gif │ │ │ │ │ ├── 42.gif │ │ │ │ │ ├── 43.gif │ │ │ │ │ ├── 44.gif │ │ │ │ │ ├── 45.gif │ │ │ │ │ ├── 46.gif │ │ │ │ │ ├── 47.gif │ │ │ │ │ ├── 48.gif │ │ │ │ │ ├── 49.gif │ │ │ │ │ ├── 50.gif │ │ │ │ │ ├── 51.gif │ │ │ │ │ ├── 52.gif │ │ │ │ │ ├── 53.gif │ │ │ │ │ ├── 54.gif │ │ │ │ │ ├── 55.gif │ │ │ │ │ ├── 56.gif │ │ │ │ │ ├── 57.gif │ │ │ │ │ ├── 58.gif │ │ │ │ │ ├── 59.gif │ │ │ │ │ ├── 60.gif │ │ │ │ │ ├── 61.gif │ │ │ │ │ ├── 62.gif │ │ │ │ │ ├── 63.gif │ │ │ │ │ ├── 64.gif │ │ │ │ │ ├── 65.gif │ │ │ │ │ ├── 66.gif │ │ │ │ │ ├── 67.gif │ │ │ │ │ ├── 68.gif │ │ │ │ │ ├── 69.gif │ │ │ │ │ ├── 70.gif │ │ │ │ │ └── 71.gif │ │ │ │ ├── css │ │ │ │ └── modules │ │ │ │ │ ├── layer │ │ │ │ │ └── default │ │ │ │ │ │ ├── icon.png │ │ │ │ │ │ ├── icon-ext.png │ │ │ │ │ │ ├── loading-0.gif │ │ │ │ │ │ ├── loading-1.gif │ │ │ │ │ │ └── loading-2.gif │ │ │ │ │ └── code.css │ │ │ │ └── lay │ │ │ │ └── modules │ │ │ │ └── code.js │ │ └── application.yml │ │ └── java │ │ └── com │ │ └── gaohanghang │ │ └── easyexceldemo │ │ ├── dao │ │ └── UserRepository.java │ │ ├── controller │ │ └── BaseExceptionHandler.java │ │ └── entity │ │ └── User.java ├── sql │ └── MySQL.sql └── README.md ├── rpc-easy-demo ├── src │ └── com │ │ └── acts │ │ └── rpc │ │ ├── HelloService.java │ │ ├── HelloServiceImpl.java │ │ ├── RpcProvider.java │ │ └── RpcConsumer.java └── README.md ├── jms-spring ├── src │ └── main │ │ ├── java │ │ └── com │ │ │ └── imooc │ │ │ └── jms │ │ │ ├── producer │ │ │ ├── ProducerService.java │ │ │ ├── AppProducer.java │ │ │ └── ProducerServiceImpl.java │ │ │ └── consumer │ │ │ ├── AppConsumer.java │ │ │ └── ConsumerMessageListener.java │ │ └── resources │ │ ├── producer.xml │ │ ├── consumer.xml │ │ └── common.xml └── README.md ├── nio-group-chat-software ├── README.md ├── src │ └── main │ │ └── java │ │ └── bio │ │ ├── BIOClient.java │ │ └── BIOServer.java └── pom.xml ├── spring-boot-mail-practice ├── README.md └── src │ └── main │ └── resources │ └── templates │ └── emailTemplate.html ├── springboot-file-uploader ├── .gitignore └── src │ ├── main │ ├── java │ │ └── cn │ │ │ └── attackme │ │ │ └── myuploader │ │ │ ├── MyUploaderApplication.java │ │ │ ├── config │ │ │ ├── UploadConfig.java │ │ │ └── LogAspect.java │ │ │ ├── dao │ │ │ └── FileDao.java │ │ │ ├── controller │ │ │ ├── QuickUploadController.java │ │ │ ├── TestExceptionController.java │ │ │ └── FileUploadController.java │ │ │ └── model │ │ │ └── File.java │ └── resources │ │ ├── schema.sql │ │ └── application.yml │ └── test │ └── java │ └── cn │ └── attackme │ └── myuploader │ └── MyUploaderApplicationTests.java ├── spring-boot-shiro ├── src │ └── main │ │ ├── resources │ │ └── application.yml │ │ └── java │ │ └── org │ │ └── hackerandpainter │ │ └── springbootshiro │ │ ├── SpringBootShiroApplication.java │ │ ├── MyRealm.java │ │ └── LoginController.java └── .gitignore ├── spring-boot-printer └── src │ └── main │ └── java │ └── com │ └── gaohanghang │ └── springbootprinter │ └── test │ └── PrintPDF.java ├── io-download-picture ├── README.md ├── src │ └── test │ │ └── java │ │ └── DownloadPicTest.java ├── pom.xml └── io-download-picture.iml ├── project-practice.iml ├── project-common └── src │ └── main │ └── java │ └── entity │ ├── StatusCode.java │ ├── PageResult.java │ └── Result.java ├── .idea └── libraries │ ├── Maven__mysql_mysql_connector_java_8_0_13.xml │ └── Maven__com_google_protobuf_protobuf_java_3_6_1.xml └── jms-test ├── pom.xml └── src └── main └── java └── com └── imooc ├── queue └── AppProducter.java └── topic └── AppProducter.java /spring-boot-manage-books/sql/final_sql.sql: -------------------------------------------------------------------------------- 1 | -------------------------------------------------------------------------------- /spring-boot-file/src/main/resources/application.yml: -------------------------------------------------------------------------------- 1 | 2 | 3 | -------------------------------------------------------------------------------- /springboot_logstash/src/main/resources/application.properties: -------------------------------------------------------------------------------- 1 | 2 | -------------------------------------------------------------------------------- /financial-system/README.md: -------------------------------------------------------------------------------- 1 | # 理财系统 2 | 3 | > 来自慕课网的项目 4 | 5 | 6 | 7 | -------------------------------------------------------------------------------- /spring-boot-mail/src/main/resources/application.yml: -------------------------------------------------------------------------------- 1 | spring: 2 | profiles: 3 | active: dev -------------------------------------------------------------------------------- /spring-boot-mail/src/main/webapp/index.jsp: -------------------------------------------------------------------------------- 1 | 2 | 3 |

Hello World!

4 | 5 | 6 | -------------------------------------------------------------------------------- /spring-boot-miaosha/README.md: -------------------------------------------------------------------------------- 1 | 慕课网项目 Java秒杀系统方案优化 高性能高并发实战 2 | 3 | > 视频地址 4 | https://www.bilibili.com/video/av48189136/?p=3 -------------------------------------------------------------------------------- /spring-boot-course-manage-system/README.md: -------------------------------------------------------------------------------- 1 | # 课程管理系统 2 | 3 | [课程管理系统](https://github.com/xiaoze-smirk/easy-springboot) 4 | 5 | -------------------------------------------------------------------------------- /financial-system/文档/数据库设计/产品表.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/gaohanghang/java-project-practice/HEAD/financial-system/文档/数据库设计/产品表.png -------------------------------------------------------------------------------- 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-------------------------------------------------------------------------------- 1 | # springboot2.1学习 2 | 3 | [2019年最新版springboot2.1+IDEA](https://www.bilibili.com/video/av39775932) 4 | 5 | -------------------------------------------------------------------------------- /issues-dashboard/README.md: -------------------------------------------------------------------------------- 1 | # From Zero to Hero with Spring Boot - Brian Clozel 2 | 3 | https://www.youtube.com/watch?v=aA4tfBGY6jY 4 | 5 | -------------------------------------------------------------------------------- /spring-boot-google-jib/README.md: -------------------------------------------------------------------------------- 1 | # Jib构建你的第一个java镜像 2 | 3 | > 原文链接 https://juejin.im/post/5b4e9c316fb9a04fa01d39d6 4 | 5 | 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /spring-boot-online-executor/doc/pic/项目展示.gif: 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-------------------------------------------------------------------------------- /kafka-example-imooc/src/main/java/com/imooc/kafka/common/ErrorCode.java: -------------------------------------------------------------------------------- 1 | package com.imooc.kafka.common; 2 | 3 | public class ErrorCode { 4 | public final static int SUCCESS = 200; 5 | public final static int EXCEPTION = 500; 6 | } 7 | -------------------------------------------------------------------------------- /spring-boot-message-board/src/main/resources/static/css/style.css: -------------------------------------------------------------------------------- 1 | .location{ 2 | margin-left: 33.3%; 3 | padding-top: 180px; 4 | } 5 | .s-margin-1{ 6 | margin-top: 10px; 7 | } 8 | .s-margin-2{ 9 | margin-top: 20px; 10 | } -------------------------------------------------------------------------------- /spring-boot-message-board/src/main/resources/static/fonts/glyphicons-halflings-regular.eot: 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-------------------------------------------------------------------------------- /jdbc-easy-meal-card-system/README.md: -------------------------------------------------------------------------------- 1 | # JDBC简单练习项目，简易饭卡系统 2 | 3 | > 项目参考链接 [JAVA的JDBC的简单练习项目，一个简单的饭卡系统](https://blog.csdn.net/m0_37961948/article/details/71139397) 4 | 5 | ## 效果图 6 | 7 | ![](https://ws3.sinaimg.cn/large/006tNc79ly1fzfqn2neo2j30hl0fydhq.jpg) -------------------------------------------------------------------------------- /spring-boot-easy-excel-demo/src/main/resources/static/layui/css/modules/layer/default/icon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/gaohanghang/java-project-practice/HEAD/spring-boot-easy-excel-demo/src/main/resources/static/layui/css/modules/layer/default/icon.png -------------------------------------------------------------------------------- /rpc-easy-demo/src/com/acts/rpc/HelloService.java: -------------------------------------------------------------------------------- 1 | package com.acts.rpc; 2 | 3 | /** 4 | * @Description: 接口 5 | * @author: Gao Hang Hang 6 | * @date 2019/01/27 12:44 7 | */ 8 | public interface HelloService { 9 | String hello(String name); 10 | } 11 | -------------------------------------------------------------------------------- /spring-boot-easy-excel-demo/src/main/resources/static/layui/css/modules/layer/default/icon-ext.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/gaohanghang/java-project-practice/HEAD/spring-boot-easy-excel-demo/src/main/resources/static/layui/css/modules/layer/default/icon-ext.png -------------------------------------------------------------------------------- /spring-boot-easy-excel-demo/src/main/resources/static/layui/css/modules/layer/default/loading-0.gif: -------------------------------------------------------------------------------- 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https://raw.githubusercontent.com/gaohanghang/java-project-practice/HEAD/spring-boot-easy-excel-demo/src/main/resources/static/layui/css/modules/layer/default/loading-2.gif -------------------------------------------------------------------------------- /jdbc-games-store/src/main/java/dao/UserDao.java: -------------------------------------------------------------------------------- 1 | package dao; 2 | 3 | /** 4 | * @Description: 5 | * @author: Gao Hang Hang 6 | * @date 2019/01/23 10:08 7 | */ 8 | public interface UserDao { 9 | public abstract int UserRes(String id, String password); 10 | } 11 | -------------------------------------------------------------------------------- /jdbc-easy-meal-card-system/src/test/java/Test.java: -------------------------------------------------------------------------------- 1 | /** 2 | * @Description: 3 | * @author: Gao Hang Hang 4 | * @date 2019/01/22 22:01 5 | */ 6 | public class Test { 7 | public static void main(String[] args) { 8 | System.out.println("ddd\n"); 9 | } 10 | } 11 | -------------------------------------------------------------------------------- /spring-boot-mail/src/main/webapp/WEB-INF/web.xml: -------------------------------------------------------------------------------- 1 | 4 | 5 | 6 | Archetype Created Web Application 7 | 8 | -------------------------------------------------------------------------------- /spring-boot-easy-excel-demo/README.md: -------------------------------------------------------------------------------- 1 | # SpringBoot Excel导入功能实现 2 | 3 | 使用技术栈 springboot, spring data jpa, 阿里巴巴的easy excel,mysql数据库 4 | 5 | 6 | ## 实现效果 7 | 8 | ![](https://ws3.sinaimg.cn/large/006tNc79ly1fzmq4ts9i3j30g10cwdg6.jpg) 9 | 10 | ## 待办 11 | 12 | - 前端下载excel功能 13 | - 界面优化 -------------------------------------------------------------------------------- /spring-boot-easy-excel-demo/src/main/resources/application.yml: -------------------------------------------------------------------------------- 1 | server: 2 | port: 8080 3 | servlet: 4 | context-path: /easy-excel-demo 5 | spring: 6 | datasource: 7 | url: jdbc:mysql://localhost:3306/excel?characterEncoding=utf8&useSSL=false 8 | username: root 9 | password: root -------------------------------------------------------------------------------- /jms-spring/src/main/java/com/imooc/jms/producer/ProducerService.java: -------------------------------------------------------------------------------- 1 | package com.imooc.jms.producer; 2 | 3 | /** 4 | * @Description: 5 | * @author: Gao Hang Hang 6 | * @date 2019/02/10 10:58 7 | */ 8 | public interface ProducerService { 9 | void sendMessage(String message); 10 | } 11 | -------------------------------------------------------------------------------- /spring-boot-miaosha/src/main/resources/templates/hello.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | Title 6 | 7 | 8 |

9 | 10 | -------------------------------------------------------------------------------- /spring-boot-manage-books/README.md: -------------------------------------------------------------------------------- 1 | # 基于SpringBoot和thymeleaf的图书管理系统 2 | 3 | > 项目来源 []() 4 | ### 简介 5 | 6 | 一个基于SpringBoot+Thymeleaf渲染的图书管理系统 7 | 功能: 8 | 用户: 预约图书 查看预约记录 还书 9 | 管理员: 添加图书 处理预约(借书) 查看借阅记录 10 | 另: 11 | 1.当用户过了还书日期仍旧未还书时会发邮件通知 12 | 2.当有书被还时发邮件通知预约书的用户到图书馆进行借书 13 | 14 | 15 | 16 | 17 | 18 | -------------------------------------------------------------------------------- /nio-group-chat-software/README.md: -------------------------------------------------------------------------------- 1 | 2 | Java-NIO实现项目演练，一小时带你们做一个群聊软件 clip 3 | https://www.youtube.com/watch?v=Y_nDeRIahvE 4 | 5 | > 运行效果 6 | 7 | 8 | ![](https://ws1.sinaimg.cn/large/006tNc79ly1g2jv8tj0t8j30jx07g3z0.jpg) 9 | 10 | ![](https://ws3.sinaimg.cn/large/006tNc79ly1g2jv8gwvqij30hf073t9s.jpg) 11 | 12 | -------------------------------------------------------------------------------- /socket-study/ScoketDemo/sql/User.sql: -------------------------------------------------------------------------------- 1 | create table tb_user{ 2 | id int auto_increment primary key, 3 | username varchar(20) not null unique, 4 | password varchar(30) 5 | }; 6 | 7 | create table tb_file{ 8 | fid int auto_increment primary key, 9 | fname varchar(50) not null, 10 | fcontent longblob 11 | }; -------------------------------------------------------------------------------- /spring-boot2_1_study/src/main/resources/banner.txt: -------------------------------------------------------------------------------- 1 | ${AnsiColor.BLUE} 2 | _______ _______ ______ 3 | | || || | 4 | |____ || ___|| _ | 5 | ____| || |___ | | | | 6 | | ______|| ___|| |_| | 7 | | |_____ | |___ | | 8 | |_______||_______||______| 9 | 10 | -----版本号-----${spring-boot.version} -------------------------------------------------------------------------------- /springboot_logstash/src/main/resources/logstash/springboot.conf: -------------------------------------------------------------------------------- 1 | input { 2 | tcp { 3 | mode => "server" 4 | host => "0.0.0.0" 5 | port => 4560 6 | codec => json_lines 7 | } 8 | } 9 | output { 10 | elasticsearch { 11 | hosts => "localhost:9200" 12 | index => "springboot-logstash-%{+YYYY.MM.dd}" 13 | } 14 | } -------------------------------------------------------------------------------- /rpc-easy-demo/README.md: -------------------------------------------------------------------------------- 1 | # JAVA实现一个简单的RPC+项目源码 2 | 3 | > 原文来自 [JAVA实现一个简单的RPC+项目源码](https://blog.52itstyle.com/archives/84/) 4 | 5 | ## 效果 6 | 7 | ### 启动服务 8 | 9 | ![](https://ws2.sinaimg.cn/large/006tNc79ly1fzm7but9rpj30l10f6dh4.jpg) 10 | 11 | ### 调用服务 12 | 13 | ![](https://ws3.sinaimg.cn/large/006tNc79ly1fzm7cvfiecj30kq0iwwgi.jpg) 14 | 15 | 16 | -------------------------------------------------------------------------------- /jdbc-games-store/src/main/java/dao/impl/UserDaoImpl.java: -------------------------------------------------------------------------------- 1 | package dao.impl; 2 | 3 | import dao.UserDao; 4 | 5 | /** 6 | * @Description: 7 | * @author: Gao Hang Hang 8 | * @date 2019/01/23 10:09 9 | */ 10 | public class UserDaoImpl implements UserDao { 11 | public int UserRes(String id, String password) { 12 | return 0; 13 | } 14 | } 15 | -------------------------------------------------------------------------------- /rpc-easy-demo/src/com/acts/rpc/HelloServiceImpl.java: -------------------------------------------------------------------------------- 1 | package com.acts.rpc; 2 | 3 | /** 4 | * @Description: 实现 5 | * @author: Gao Hang Hang 6 | * @date 2019/01/27 12:45 7 | */ 8 | public class HelloServiceImpl implements HelloService { 9 | 10 | @Override 11 | public String hello(String name) { 12 | return "Hello " + name; 13 | } 14 | } 15 | -------------------------------------------------------------------------------- /spring-boot-mail-practice/README.md: -------------------------------------------------------------------------------- 1 | # 使用Spring Boot发送邮件 2 | 3 | > 来自慕课网 [Spring Boot 发送邮件](https://www.imooc.com/video/17765) 4 | 5 | 6 | ![](https://ws2.sinaimg.cn/large/006tNc79ly1g053df7kzuj30jl0b7mxv.jpg) 7 | 8 | ![](https://ws3.sinaimg.cn/large/006tNc79ly1g053g4uy6ej30k90b93yo.jpg) 9 | 10 | ![](https://ws2.sinaimg.cn/large/006tNc79ly1g053hvke6kj30kk0b73ys.jpg) 11 | -------------------------------------------------------------------------------- /rpc-easy-demo/src/com/acts/rpc/RpcProvider.java: -------------------------------------------------------------------------------- 1 | package com.acts.rpc; 2 | 3 | /** 4 | * @Description: 提供者 5 | * @author: Gao Hang Hang 6 | * @date 2019/01/27 12:46 7 | */ 8 | public class RpcProvider { 9 | public static void main(String[] args) throws Exception { 10 | HelloService service = new HelloServiceImpl(); 11 | RpcFramework.export(service, 1234); 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /socket-study/ScoketDemo/src/com/imooc/socket/StartClient.java: -------------------------------------------------------------------------------- 1 | package src.com.imooc.socket; 2 | 3 | /** 4 | * @Description: 启动客户端 5 | * @author: Gao Hang Hang 6 | * @date 2019/02/09 14:08 7 | */ 8 | public class StartClient { 9 | public static void main(String[] args) { 10 | SocketClient client = new SocketClient(); 11 | client.showMainMenu();// 显示主菜单 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /spring-boot-mail-practice/src/main/resources/templates/emailTemplate.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 邮件模板 6 | 7 | 8 | 你好，感谢您的注册，这是一封验证邮件，请点击下面的链接完成注册，感谢您的支持!
9 | 激活账号 10 | 11 | -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/java/com/gaohanghang/springbootmanagebooks/entity/ProcessResult.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootmanagebooks.entity; 2 | 3 | import lombok.AllArgsConstructor; 4 | 5 | /** 6 | * @Description: 添加图书结果的包装类 7 | * @author: Gao Hang Hang 8 | * @date 2019/02/28 13:51 9 | */ 10 | @AllArgsConstructor 11 | public class ProcessResult { 12 | boolean success; 13 | } 14 | -------------------------------------------------------------------------------- /spring-boot-mail/src/main/java/com/gaohanghang/mail/common/task/SendMail.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.mail.common.task; 2 | 3 | import org.springframework.stereotype.Component; 4 | 5 | /** 6 | * @Description: 统计失败邮件定时重新发送 7 | * @author: Gao Hang Hang 8 | * @date 2019/01/29 12:10 9 | */ 10 | @Component("sendMail") 11 | public class SendMail { 12 | public void sendMail() { 13 | 14 | } 15 | } 16 | -------------------------------------------------------------------------------- /springboot-file-uploader/.gitignore: -------------------------------------------------------------------------------- 1 | /target/ 2 | /log/ 3 | /upload/ 4 | .mvn/ 5 | 6 | ### STS ### 7 | .apt_generated 8 | .classpath 9 | .factorypath 10 | .project 11 | .settings 12 | .springBeans 13 | .sts4-cache 14 | 15 | ### IntelliJ IDEA ### 16 | .idea 17 | *.iws 18 | *.iml 19 | *.ipr 20 | 21 | ### NetBeans ### 22 | /nbproject/private/ 23 | /build/ 24 | /nbbuild/ 25 | /dist/ 26 | /nbdist/ 27 | /.nb-gradle/ -------------------------------------------------------------------------------- /spring-boot-message-board/.gitignore: -------------------------------------------------------------------------------- 1 | /target/ 2 | !.mvn/wrapper/maven-wrapper.jar 3 | 4 | ### STS ### 5 | .apt_generated 6 | .classpath 7 | .factorypath 8 | .project 9 | .settings 10 | .springBeans 11 | .sts4-cache 12 | 13 | ### IntelliJ IDEA ### 14 | .idea 15 | *.iws 16 | *.iml 17 | *.ipr 18 | 19 | ### NetBeans ### 20 | /nbproject/private/ 21 | /build/ 22 | /nbbuild/ 23 | /dist/ 24 | /nbdist/ 25 | /.nb-gradle/ -------------------------------------------------------------------------------- /springboot_logstash/.gitignore: -------------------------------------------------------------------------------- 1 | /target/ 2 | !.mvn/wrapper/maven-wrapper.jar 3 | 4 | ### STS ### 5 | .apt_generated 6 | .classpath 7 | .factorypath 8 | .project 9 | .settings 10 | .springBeans 11 | .sts4-cache 12 | 13 | ### IntelliJ IDEA ### 14 | .idea 15 | *.iws 16 | *.iml 17 | *.ipr 18 | 19 | ### NetBeans ### 20 | /nbproject/private/ 21 | /nbbuild/ 22 | /dist/ 23 | /nbdist/ 24 | /.nb-gradle/ 25 | /build/ 26 | -------------------------------------------------------------------------------- /spring-boot-gephi/src/main/java/com/gaohanghang/springbootgephi/dao/EdgesRepository.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootgephi.dao; 2 | 3 | import com.gaohanghang.springbootgephi.entity.Edges; 4 | import org.springframework.data.jpa.repository.JpaRepository; 5 | import org.springframework.stereotype.Repository; 6 | 7 | @Repository 8 | public interface EdgesRepository extends JpaRepository { 9 | 10 | } -------------------------------------------------------------------------------- /kafka-example-imooc/src/main/java/com/imooc/kafka/common/Response.java: -------------------------------------------------------------------------------- 1 | package com.imooc.kafka.common; 2 | 3 | import lombok.Getter; 4 | import lombok.Setter; 5 | 6 | @Getter 7 | @Setter 8 | public class Response { 9 | private int code; 10 | private String message; 11 | 12 | public Response(int code, String message) { 13 | this.code = code; 14 | this.message = message; 15 | } 16 | } 17 | -------------------------------------------------------------------------------- /spring-boot-statemachine/README.md: -------------------------------------------------------------------------------- 1 | # Spring StateMachine，教你快速实现一个状态机 2 | 3 | > 原文链接 [Spring StateMachine，教你快速实现一个状态机](https://mp.weixin.qq.com/s/3swpZWJufg5k7jJeNiok5A) 4 | 5 | 6 | > 运行效果 7 | 8 | ![](https://ws4.sinaimg.cn/large/006tNc79ly1g2pbixgye6j30tj09t791.jpg) 9 | 10 | > 通过上面的例子，我们可以对如何使用Spring StateMachine做如下小结： 11 | 12 | - 定义状态和事件枚举 13 | - 为状态机定义使用德所有状态以及初始状态 14 | - 为状态机定义状态的迁移动作 15 | - 为状态机指定监听处理器 16 | 17 | > 注意 不是线程安全 -------------------------------------------------------------------------------- /spring-boot-mail/src/main/java/com/gaohanghang/mail/repository/MailRepository.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.mail.repository; 2 | 3 | import com.gaohanghang.mail.entity.OaEmail; 4 | import org.springframework.data.jpa.repository.JpaRepository; 5 | 6 | /** 7 | * @Description: 邮件管理 8 | * @author: Gao Hang Hang 9 | * @date 2019/01/29 11:47 10 | */ 11 | public interface MailRepository extends JpaRepository { 12 | } 13 | -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/java/com/gaohanghang/springbootmanagebooks/exception/AddBooklistException.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootmanagebooks.exception; 2 | 3 | /** 4 | * @Description: 5 | * @author: Gao Hang Hang 6 | * @date 2019/02/28 12:42 7 | */ 8 | public class AddBooklistException extends RuntimeException { 9 | public AddBooklistException(String message) { 10 | super(message); 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /spring-boot-easy-excel-demo/src/main/java/com/gaohanghang/easyexceldemo/dao/UserRepository.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.easyexceldemo.dao; 2 | 3 | import com.gaohanghang.easyexceldemo.entity.User; 4 | import org.springframework.data.jpa.repository.JpaRepository; 5 | 6 | /** 7 | * @Description: 8 | * @author: Gao Hang Hang 9 | * @date 2019/01/28 15:37 10 | */ 11 | public interface UserRepository extends JpaRepository { 12 | } 13 | -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/java/com/gaohanghang/springbootmanagebooks/exception/ReservationException.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootmanagebooks.exception; 2 | 3 | /** 4 | * @Description: 自定义预定异常 5 | * @author: Gao Hang Hang 6 | * @date 2019/02/28 12:43 7 | */ 8 | public class ReservationException extends RuntimeException { 9 | public ReservationException(String message) { 10 | super(message); 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/java/com/gaohanghang/springbootmanagebooks/service/UserService.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootmanagebooks.service; 2 | 3 | import com.gaohanghang.springbootmanagebooks.entity.User; 4 | 5 | /** 6 | * @Description: 7 | * @author: Gao Hang Hang 8 | * @date 2019/02/28 16:46 9 | */ 10 | public interface UserService { 11 | User checkUser(User user); 12 | 13 | User checkManager(User user); 14 | } 15 | -------------------------------------------------------------------------------- /spring-boot-shiro/src/main/resources/application.yml: -------------------------------------------------------------------------------- 1 | shiro: 2 | # 表示登录页面 3 | loginUrl: /login 4 | sessionManager: 5 | # 表示是否允许将sessionId 放到 cookie 中 6 | sessionIdCookieEnabled: true 7 | # 表示是否允许将 sessionId 放到 Url 地址拦中 8 | sessionIdUrlRewritingEnabled: true 9 | # 表示登录页面 10 | successUrl: /index 11 | # 表示访问未获授权的页面时，默认的跳转路径 12 | unauthorizedUrl: /unauthorizedurl 13 | # 表示开启 shiro 14 | web: 15 | enabled: true 16 | -------------------------------------------------------------------------------- /spring-boot-gephi/src/main/java/com/gaohanghang/springbootgephi/dao/NodesRepository.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootgephi.dao; 2 | 3 | import com.gaohanghang.springbootgephi.entity.Nodes; 4 | import org.springframework.data.jpa.repository.JpaRepository; 5 | import org.springframework.stereotype.Repository; 6 | 7 | @Repository 8 | public interface NodesRepository extends JpaRepository { 9 | Nodes findById(String id); 10 | } 11 | -------------------------------------------------------------------------------- /spring-boot-message-board/src/main/java/com/gaohanghang/messageboard/service/WordService.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.messageboard.service; 2 | 3 | import com.gaohanghang.messageboard.utils.Response; 4 | 5 | /** 6 | * @Description: 7 | * @author: Gao Hang Hang 8 | * @date 2019/01/25 10:59 9 | */ 10 | public interface WordService { 11 | Response getWords(Integer userId); 12 | Response addWord(Integer userId,String title,String content); 13 | } 14 | -------------------------------------------------------------------------------- /spring-boot-printer/src/main/java/com/gaohanghang/springbootprinter/test/PrintPDF.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootprinter.test; 2 | 3 | import java.io.File; 4 | 5 | /** 6 | * @Description: 这段代码提供了核心的打印工作 7 | * @author: Gao Hang Hang 8 | * @date 2019/03/07 18:16 9 | */ 10 | public class PrintPDF { 11 | public static void printPDF() { 12 | String filePath = ""; 13 | File file = new File(filePath); 14 | 15 | 16 | } 17 | } 18 | -------------------------------------------------------------------------------- /spring-boot-online-executor/src/main/java/com/gaohanghang/springbootonlineexecutor/compile/StringSourceCompiler.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootonlineexecutor.compile; 2 | 3 | import javax.tools.DiagnosticCollector; 4 | import javax.tools.JavaFileObject; 5 | 6 | public class StringSourceCompiler { 7 | public static byte[] compile(String source, DiagnosticCollector compileController) { 8 | return new byte[0]; 9 | } 10 | } 11 | -------------------------------------------------------------------------------- /springboot-file-uploader/src/main/java/cn/attackme/myuploader/MyUploaderApplication.java: -------------------------------------------------------------------------------- 1 | package cn.attackme.myuploader; 2 | 3 | import org.springframework.boot.SpringApplication; 4 | import org.springframework.boot.autoconfigure.SpringBootApplication; 5 | 6 | @SpringBootApplication 7 | public class MyUploaderApplication { 8 | 9 | public static void main(String[] args) { 10 | SpringApplication.run(MyUploaderApplication.class, args); 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /spring-boot-gephi/src/main/java/com/gaohanghang/springbootgephi/dao/RelationShipRepository.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootgephi.dao; 2 | 3 | import com.gaohanghang.springbootgephi.entity.Relationship; 4 | import org.springframework.data.jpa.repository.JpaRepository; 5 | 6 | /** 7 | * @Description: 8 | * @author: Gao Hang Hang 9 | * @date 2019/01/28 15:37 10 | */ 11 | public interface RelationShipRepository extends JpaRepository { 12 | } 13 | -------------------------------------------------------------------------------- /spring-boot-message-board/src/main/java/com/gaohanghang/messageboard/DemoApplication.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.messageboard; 2 | 3 | import org.springframework.boot.SpringApplication; 4 | import org.springframework.boot.autoconfigure.SpringBootApplication; 5 | 6 | @SpringBootApplication 7 | public class DemoApplication { 8 | 9 | public static void main(String[] args) { 10 | SpringApplication.run(DemoApplication.class, args); 11 | } 12 | 13 | } 14 | 15 | -------------------------------------------------------------------------------- /io-download-picture/README.md: -------------------------------------------------------------------------------- 1 | # 给定url和路径下载图片 2 | 3 | ## 快速开始 4 | 5 | ````java 6 | public class DownloadPicTest { 7 | public static void main(String[] args) { 8 | String url = "http://lorempixel.com/1600/900"; 9 | String path="/users/gaohanghang/download/"; 10 | DownloadPicFromURL.downloadPicture(url,path + UUID.randomUUID() + ".jpg"); 11 | } 12 | } 13 | ```` 14 | 15 | ## 运行后示例 16 | ![](https://ws4.sinaimg.cn/large/006tNc79ly1fzhq34snxxj30le0c4js9.jpg) -------------------------------------------------------------------------------- /project-practice.iml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /spring-boot-google-jib/src/main/java/com/gaohanghang/springbootgooglejib/controller/WebController.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootgooglejib.controller; 2 | 3 | import org.springframework.web.bind.annotation.RequestMapping; 4 | import org.springframework.web.bind.annotation.RestController; 5 | 6 | @RestController 7 | public class WebController { 8 | @RequestMapping("/blog") 9 | public String index() { 10 | return "http://ghang.top"; 11 | } 12 | } 13 | 14 | -------------------------------------------------------------------------------- /spring-boot-message-board/src/main/java/com/gaohanghang/messageboard/dao/UserRepository.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.messageboard.dao; 2 | 3 | import com.gaohanghang.messageboard.entity.User; 4 | import org.springframework.data.jpa.repository.JpaRepository; 5 | 6 | /** 7 | * @Description: 8 | * @author: Gao Hang Hang 9 | * @date 2019/01/25 10:56 10 | */ 11 | public interface UserRepository extends JpaRepository { 12 | User findByUserName(String userName); 13 | } -------------------------------------------------------------------------------- /io-download-picture/src/test/java/DownloadPicTest.java: -------------------------------------------------------------------------------- 1 | import java.util.UUID; 2 | 3 | /** 4 | * @Description: 5 | * @author: Gao Hang Hang 6 | * @date 2019/01/24 15:47 7 | */ 8 | public class DownloadPicTest { 9 | public static void main(String[] args) { 10 | String url = "http://lorempixel.com/1600/900"; 11 | String path="/users/gaohanghang/download/"; 12 | DownloadPicFromURL.downloadPicture(url,path + UUID.randomUUID() + ".jpg"); 13 | } 14 | } 15 | -------------------------------------------------------------------------------- /kafka-example-imooc/src/test/java/com/imooc/kafka/ExampleApplicationTests.java: -------------------------------------------------------------------------------- 1 | package com.imooc.kafka; 2 | 3 | import org.junit.Test; 4 | import org.junit.runner.RunWith; 5 | import org.springframework.boot.test.context.SpringBootTest; 6 | import org.springframework.test.context.junit4.SpringRunner; 7 | 8 | @RunWith(SpringRunner.class) 9 | @SpringBootTest 10 | public class ExampleApplicationTests { 11 | 12 | @Test 13 | public void contextLoads() { 14 | } 15 | 16 | } 17 | -------------------------------------------------------------------------------- /spring-boot-mail/src/test/java/com/gaohanghang/mail/countDownLatch/Main.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.mail.countDownLatch; 2 | 3 | public class Main { 4 | public static void main(String[] args) 5 | { 6 | boolean result = false; 7 | try { 8 | result = ApplicationStartupUtil.checkExternalServices(); 9 | } catch (Exception e) { 10 | e.printStackTrace(); 11 | } 12 | System.out.println("External services validation completed !! Result was :: "+ result); 13 | } 14 | } 15 | -------------------------------------------------------------------------------- /jdbc-games-store/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 4.0.0 6 | 7 | top.ghang 8 | jdbc-games-store 9 | 1.0-SNAPSHOT 10 | 11 | 12 | -------------------------------------------------------------------------------- /spring-boot-message-board/src/main/java/com/gaohanghang/messageboard/service/TalkService.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.messageboard.service; 2 | 3 | import com.gaohanghang.messageboard.utils.Response; 4 | 5 | /** 6 | * @Description: 7 | * @author: Gao Hang Hang 8 | * @date 2019/01/25 10:59 9 | */ 10 | public interface TalkService { 11 | Response getTalks(Integer userId); 12 | Response addTalk(Integer userId, String content); 13 | 14 | Response getSize(Integer userId); 15 | } 16 | -------------------------------------------------------------------------------- /spring-boot-online-executor/src/main/java/com/gaohanghang/springbootonlineexecutor/execute/HotSwapClassLoader.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootonlineexecutor.execute; 2 | 3 | public class HotSwapClassLoader extends ClassLoader { 4 | 5 | public HotSwapClassLoader() { 6 | super(HotSwapClassLoader.class.getClassLoader()); 7 | } 8 | 9 | public Class loadByte(byte[] classBytes) { 10 | return defineClass(null, classBytes, 0, classBytes.length); 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /springboot-file-uploader/src/main/java/cn/attackme/myuploader/config/UploadConfig.java: -------------------------------------------------------------------------------- 1 | package cn.attackme.myuploader.config; 2 | 3 | import org.springframework.beans.factory.annotation.Value; 4 | import org.springframework.context.annotation.Configuration; 5 | 6 | @Configuration 7 | public class UploadConfig { 8 | 9 | public static String path; 10 | 11 | @Value("${upload.path}") 12 | public void setPath(String path) { 13 | UploadConfig.path = path; 14 | } 15 | } 16 | -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/java/com/gaohanghang/springbootmanagebooks/service/MailService.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootmanagebooks.service; 2 | 3 | /** 4 | * @Description: 5 | * @author: Gao Hang Hang 6 | * @date 2019/02/28 16:51 7 | */ 8 | public interface MailService { 9 | // 发送简单邮件 10 | void sendSimpleMail(String to, String subject, String content); 11 | // 归还提醒 12 | void processReturnReminder(); 13 | // 预定提醒 14 | void processResReminder(); 15 | } 16 | -------------------------------------------------------------------------------- /spring-boot-shiro/.gitignore: -------------------------------------------------------------------------------- 1 | HELP.md 2 | target/ 3 | !.mvn/wrapper/maven-wrapper.jar 4 | !**/src/main/** 5 | !**/src/test/** 6 | 7 | ### STS ### 8 | .apt_generated 9 | .classpath 10 | .factorypath 11 | .project 12 | .settings 13 | .springBeans 14 | .sts4-cache 15 | 16 | ### IntelliJ IDEA ### 17 | .idea 18 | *.iws 19 | *.iml 20 | *.ipr 21 | 22 | ### NetBeans ### 23 | /nbproject/private/ 24 | /nbbuild/ 25 | /dist/ 26 | /nbdist/ 27 | /.nb-gradle/ 28 | build/ 29 | 30 | ### VS Code ### 31 | .vscode/ 32 | -------------------------------------------------------------------------------- /io-download-picture/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 4.0.0 6 | 7 | com.gaohanghang 8 | io-download-picture 9 | 1.0-SNAPSHOT 10 | 11 | 12 | -------------------------------------------------------------------------------- /spring-boot-miaosha/src/main/java/com/imooc/miaosha/domain/User.java: -------------------------------------------------------------------------------- 1 | package com.imooc.miaosha.domain; 2 | 3 | public class User { 4 | private int id; 5 | private String name; 6 | 7 | public int getId() { 8 | return id; 9 | } 10 | 11 | public void setId(int id) { 12 | this.id = id; 13 | } 14 | 15 | public String getName() { 16 | return name; 17 | } 18 | 19 | public void setName(String name) { 20 | this.name = name; 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /spring-boot-message-board/src/main/java/com/gaohanghang/messageboard/dao/WordRepository.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.messageboard.dao; 2 | 3 | import com.gaohanghang.messageboard.entity.Word; 4 | import org.springframework.data.jpa.repository.JpaRepository; 5 | import java.util.List; 6 | 7 | /** 8 | * @Description: 9 | * @author: Gao Hang Hang 10 | * @date 2019/01/25 10:57 11 | */ 12 | public interface WordRepository extends JpaRepository{ 13 | List findAllByOrderByLeaveTime(); 14 | } -------------------------------------------------------------------------------- /spring-boot-shiro/src/main/java/org/hackerandpainter/springbootshiro/SpringBootShiroApplication.java: -------------------------------------------------------------------------------- 1 | package org.hackerandpainter.springbootshiro; 2 | 3 | import org.springframework.boot.SpringApplication; 4 | import org.springframework.boot.autoconfigure.SpringBootApplication; 5 | 6 | @SpringBootApplication 7 | public class SpringBootShiroApplication { 8 | 9 | public static void main(String[] args) { 10 | SpringApplication.run(SpringBootShiroApplication.class, args); 11 | } 12 | 13 | } 14 | -------------------------------------------------------------------------------- /springboot-file-uploader/src/test/java/cn/attackme/myuploader/MyUploaderApplicationTests.java: -------------------------------------------------------------------------------- 1 | package cn.attackme.myuploader; 2 | 3 | import org.junit.Test; 4 | import org.junit.runner.RunWith; 5 | import org.springframework.boot.test.context.SpringBootTest; 6 | import org.springframework.test.context.junit4.SpringRunner; 7 | 8 | @RunWith(SpringRunner.class) 9 | @SpringBootTest 10 | public class MyUploaderApplicationTests { 11 | 12 | @Test 13 | public void contextLoads() { 14 | } 15 | 16 | } 17 | -------------------------------------------------------------------------------- /springboot_logstash/src/test/java/com/dalaoyang/SpringbootLogstashApplicationTests.java: -------------------------------------------------------------------------------- 1 | package com.dalaoyang; 2 | 3 | import org.junit.Test; 4 | import org.junit.runner.RunWith; 5 | import org.springframework.boot.test.context.SpringBootTest; 6 | import org.springframework.test.context.junit4.SpringRunner; 7 | 8 | @RunWith(SpringRunner.class) 9 | @SpringBootTest 10 | public class SpringbootLogstashApplicationTests { 11 | 12 | @Test 13 | public void contextLoads() { 14 | } 15 | 16 | } 17 | 18 | -------------------------------------------------------------------------------- /spring-boot-message-board/src/test/java/com/gaohanghang/messageboard/DemoApplicationTests.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.messageboard; 2 | 3 | import org.junit.Test; 4 | import org.junit.runner.RunWith; 5 | import org.springframework.boot.test.context.SpringBootTest; 6 | import org.springframework.test.context.junit4.SpringRunner; 7 | 8 | @RunWith(SpringRunner.class) 9 | @SpringBootTest 10 | public class DemoApplicationTests { 11 | 12 | @Test 13 | public void contextLoads() { 14 | } 15 | 16 | } 17 | 18 | -------------------------------------------------------------------------------- /springboot-file-uploader/src/main/resources/schema.sql: -------------------------------------------------------------------------------- 1 | drop table if exists file; 2 | 3 | CREATE TABLE `file` ( 4 | `id` bigint(20) NOT NULL AUTO_INCREMENT, 5 | `name` varchar(100) NOT NULL COMMENT '文件名', 6 | `md5` varchar(32) DEFAULT NULL COMMENT 'MD5值', 7 | `path` varchar(100) NOT NULL COMMENT '文件路径', 8 | `upload_time` datetime(3) NOT NULL COMMENT '上传时间', 9 | `ext` varchar(255) DEFAULT NULL COMMENT '文件后缀名', 10 | PRIMARY KEY (`id`) 11 | ) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=utf8mb4; 12 | -------------------------------------------------------------------------------- /kafka-example-imooc/src/main/java/com/imooc/kafka/ExampleApplication.java: -------------------------------------------------------------------------------- 1 | package com.imooc.kafka; 2 | 3 | import org.springframework.boot.SpringApplication; 4 | import org.springframework.boot.autoconfigure.EnableAutoConfiguration; 5 | import org.springframework.boot.autoconfigure.SpringBootApplication; 6 | 7 | @SpringBootApplication 8 | public class ExampleApplication { 9 | 10 | public static void main(String[] args) { 11 | SpringApplication.run(ExampleApplication.class, args); 12 | } 13 | 14 | } 15 | -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/java/com/gaohanghang/springbootmanagebooks/entity/MailDetail.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootmanagebooks.entity; 2 | 3 | import lombok.Getter; 4 | import lombok.Setter; 5 | 6 | /** 7 | * @Description: 8 | * @author: Gao Hang Hang 9 | * @date 2019/02/28 13:47 10 | */ 11 | @Getter 12 | @Setter 13 | public class MailDetail { 14 | private String userName; //用户名 15 | private String email; //邮件地址 16 | private String bname; //书名 17 | private String btime; //预定时间 18 | } 19 | -------------------------------------------------------------------------------- /jms-spring/src/main/java/com/imooc/jms/consumer/AppConsumer.java: -------------------------------------------------------------------------------- 1 | package com.imooc.jms.consumer; 2 | 3 | import org.springframework.context.ApplicationContext; 4 | import org.springframework.context.support.ClassPathXmlApplicationContext; 5 | 6 | /** 7 | * @Description: 8 | * @author: Gao Hang Hang 9 | * @date 2019/02/10 16:44 10 | */ 11 | public class AppConsumer { 12 | public static void main(String[] args) { 13 | ApplicationContext context = new ClassPathXmlApplicationContext("consumer.xml"); 14 | } 15 | } 16 | -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/java/com/gaohanghang/springbootmanagebooks/dao/MailMapper.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootmanagebooks.dao; 2 | 3 | import com.gaohanghang.springbootmanagebooks.entity.MailDetail; 4 | 5 | import java.util.List; 6 | 7 | /** 8 | * @Description: 9 | * @author: Gao Hang Hang 10 | * @date 2019/02/28 16:28 11 | */ 12 | public interface MailMapper { 13 | List returnReminder(); //返回提醒 14 | 15 | // 注意一下这里MailDetail.btime字段为空 16 | List resReminder(); //预定提醒 17 | } 18 | -------------------------------------------------------------------------------- /project-common/src/main/java/entity/StatusCode.java: -------------------------------------------------------------------------------- 1 | package entity; 2 | 3 | /** 4 | * @Description: 5 | * @author: Gao Hang Hang 6 | * @date 2019/01/09 19:38 7 | */ 8 | public class StatusCode { 9 | public static final int OK = 20000;//成功 10 | public static final int ERROR = 20001;//失败 11 | public static final int LOGINERROR = 20002;//用户名或密码错误 12 | public static final int ACCESSERROR =20003;//权限不足 13 | public static final int REMOTEERROR =20004;//远程调用失败 14 | public static final int REPERROR =20004;//重复操作 15 | 16 | } 17 | -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/java/com/gaohanghang/springbootmanagebooks/dao/UserMapper.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootmanagebooks.dao; 2 | 3 | import com.gaohanghang.springbootmanagebooks.entity.User; 4 | import org.apache.ibatis.annotations.Param; 5 | 6 | /** 7 | * @Description: 8 | * @author: Gao Hang Hang 9 | * @date 2019/02/28 16:26 10 | */ 11 | public interface UserMapper { 12 | //通过username和passwd 验证用户 reader 13 | User checkUser(@Param("user") User user); 14 | User checkManager(@Param("user") User user); 15 | } 16 | -------------------------------------------------------------------------------- /spring-boot-mongodb/src/main/java/com/gaohanghang/springbootmongodb/dao/DemoDao.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootmongodb.dao; 2 | 3 | import com.gaohanghang.springbootmongodb.entity.DemoEntity; 4 | 5 | /** 6 | * @Description: 提供增删改查 MongoDB 接口 7 | * @author: Gao Hang Hang 8 | * @date 2019/01/29 19:17 9 | */ 10 | public interface DemoDao { 11 | 12 | void saveDemo(DemoEntity demoEntity); 13 | 14 | void removeDemo(Long id); 15 | 16 | void updateDemo(DemoEntity demoEntity); 17 | 18 | DemoEntity findDemoById(Long id); 19 | } 20 | -------------------------------------------------------------------------------- /springboot-file-uploader/src/main/resources/application.yml: -------------------------------------------------------------------------------- 1 | spring: 2 | datasource: 3 | username: root 4 | password: root 5 | url: jdbc:mysql:///MyUploader?useUnicode=true&characterEncoding=utf-8&serverTimeZone=UTC&useSSL=false 6 | driver-class-name: com.mysql.jdbc.Driver 7 | servlet: 8 | multipart: 9 | max-file-size: 10000Mb 10 | max-request-size: 100000Mb 11 | mybatis: 12 | mapper-locations: classpath:mapper/*Mapper.xml 13 | type-aliases-package: cn.attackme.myuploader.model 14 | upload: 15 | path: ./upload/ #文件上传路径 -------------------------------------------------------------------------------- /spring-boot-message-board/src/main/java/com/gaohanghang/messageboard/dao/TalkRepository.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.messageboard.dao; 2 | 3 | import com.gaohanghang.messageboard.entity.Talk; 4 | import com.gaohanghang.messageboard.entity.Word; 5 | import org.springframework.data.jpa.repository.JpaRepository; 6 | 7 | import java.util.List; 8 | 9 | /** 10 | * @Description: 11 | * @author: Gao Hang Hang 12 | * @date 2019/01/25 10:57 13 | */ 14 | public interface TalkRepository extends JpaRepository{ 15 | List findAllByOrderByLeaveTime(); 16 | } -------------------------------------------------------------------------------- /spring-boot-message-board/src/main/java/com/gaohanghang/messageboard/service/UserService.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.messageboard.service; 2 | 3 | import com.gaohanghang.messageboard.utils.Response; 4 | import org.springframework.stereotype.Service; 5 | 6 | /** 7 | * @Description: 8 | * @author: Gao Hang Hang 9 | * @date 2019/01/25 10:59 10 | */ 11 | @Service 12 | public interface UserService { 13 | Response getUser(Integer userId); 14 | Response userRegister(String userName,String userPassword); 15 | Response userLogin(String userName,String userPassword); 16 | } -------------------------------------------------------------------------------- /kafka-example-imooc/src/main/java/com/imooc/kafka/common/MessageEntity.java: -------------------------------------------------------------------------------- 1 | package com.imooc.kafka.common; 2 | 3 | import lombok.EqualsAndHashCode; 4 | import lombok.Getter; 5 | import lombok.Setter; 6 | 7 | @Getter 8 | @Setter 9 | @EqualsAndHashCode 10 | public class MessageEntity { 11 | private String title; 12 | private String body; 13 | 14 | @Override 15 | public String toString() { 16 | return "MessageEntity{" + 17 | "title='" + title + '\'' + 18 | ", body='" + body + '\'' + 19 | '}'; 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/java/com/gaohanghang/springbootmanagebooks/entity/Reservation.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootmanagebooks.entity; 2 | 3 | import lombok.Getter; 4 | import lombok.Setter; 5 | import lombok.ToString; 6 | 7 | import java.util.Date; 8 | 9 | /** 10 | * @Description: 预定类 11 | * @author: Gao Hang Hang 12 | * @date 2019/02/28 16:00 13 | */ 14 | @Getter 15 | @Setter 16 | @ToString 17 | public class Reservation { 18 | private int reservationId; 19 | private int userId; 20 | private int bookId; 21 | private Date deadline; 22 | } 23 | -------------------------------------------------------------------------------- /spring-boot-online-executor/src/test/java/com/gaohanghang/springbootonlineexecutor/OnlineExecutor/OnlineExecutorApplicationTests.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootonlineexecutor.OnlineExecutor; 2 | 3 | import org.junit.Test; 4 | import org.junit.runner.RunWith; 5 | import org.springframework.boot.test.context.SpringBootTest; 6 | import org.springframework.test.context.junit4.SpringRunner; 7 | 8 | @RunWith(SpringRunner.class) 9 | @SpringBootTest 10 | public class OnlineExecutorApplicationTests { 11 | 12 | @Test 13 | public void contextLoads() { 14 | } 15 | 16 | } 17 | 18 | -------------------------------------------------------------------------------- /spring-boot-message-board/src/main/resources/static/js/npm.js: -------------------------------------------------------------------------------- 1 | // This file is autogenerated via the `commonjs` Grunt task. You can require() this file in a CommonJS environment. 2 | require('../../js/transition.js') 3 | require('../../js/alert.js') 4 | require('../../js/button.js') 5 | require('../../js/carousel.js') 6 | require('../../js/collapse.js') 7 | require('../../js/dropdown.js') 8 | require('../../js/modal.js') 9 | require('../../js/tooltip.js') 10 | require('../../js/popover.js') 11 | require('../../js/scrollspy.js') 12 | require('../../js/tab.js') 13 | require('../../js/affix.js') -------------------------------------------------------------------------------- /rpc-easy-demo/src/com/acts/rpc/RpcConsumer.java: -------------------------------------------------------------------------------- 1 | package com.acts.rpc; 2 | 3 | /** 4 | * @Description: 5 | * @author: Gao Hang Hang 6 | * @date 2019/01/27 12:48 7 | */ 8 | public class RpcConsumer { 9 | public static void main(String[] args) throws Exception { 10 | HelloService service = RpcFramework.refer(HelloService.class, "127.0.0.1", 1234); 11 | for (int i = 0; i < Integer.MAX_VALUE; i ++) { 12 | String hello = service.hello("World" + i); 13 | System.out.println(hello); 14 | Thread.sleep(1000); 15 | } 16 | } 17 | } 18 | -------------------------------------------------------------------------------- /spring-boot-gephi/src/main/java/com/gaohanghang/springbootgephi/entity/StatusCode.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootgephi.entity; 2 | 3 | /** 4 | * @Description: 5 | * @author: Gao Hang Hang 6 | * @date 2019/01/09 19:38 7 | */ 8 | public class StatusCode { 9 | public static final int OK = 20000;//成功 10 | public static final int ERROR = 20001;//失败 11 | public static final int LOGINERROR = 20002;//用户名或密码错误 12 | public static final int ACCESSERROR =20003;//权限不足 13 | public static final int REMOTEERROR =20004;//远程调用失败 14 | public static final int REPERROR =20004;//重复操作 15 | 16 | } 17 | -------------------------------------------------------------------------------- /spring-boot-mail/src/main/java/com/gaohanghang/mail/common/Dynamicquery/NativeQueryResultEntity.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.mail.common.Dynamicquery; 2 | 3 | import java.lang.annotation.ElementType; 4 | import java.lang.annotation.Retention; 5 | import java.lang.annotation.RetentionPolicy; 6 | import java.lang.annotation.Target; 7 | 8 | /** 9 | * @Description: 10 | * @author: Gao Hang Hang 11 | * @date 2019/01/30 13:01 12 | */ 13 | @Target(ElementType.TYPE) // 注解的作用目标 14 | @Retention(RetentionPolicy.RUNTIME) // 默认的保留策略，注解会在class字节码文件中存在，但运行时无法获得， 15 | public @interface NativeQueryResultEntity { 16 | 17 | } 18 | -------------------------------------------------------------------------------- /spring-boot-message-board/src/main/resources/application.yml: -------------------------------------------------------------------------------- 1 | server: 2 | port: 9004 3 | servlet: 4 | context-path: /messageBoard 5 | spring: 6 | datasource: 7 | url: jdbc:mysql://localhost:3306/messageboard?characterEncoding=utf8&useSSL=false 8 | username: root 9 | password: root 10 | jpa: 11 | hibernate: 12 | ddl-auto: update 13 | show-sql: true 14 | thymeleaf: 15 | prefix: classpath:/static/ 16 | suffix: .html 17 | cache: false 18 | jackson: 19 | date-format: yyyy-MM-dd HH:mm:ss 20 | time-zone: GMT+8 21 | mvc: 22 | favicon: 23 | enable: false -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/java/com/gaohanghang/springbootmanagebooks/entity/ReservationDetail.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootmanagebooks.entity; 2 | 3 | import lombok.Getter; 4 | import lombok.Setter; 5 | import lombok.ToString; 6 | 7 | import java.util.Date; 8 | 9 | /** 10 | * @Description: 11 | * @author: Gao Hang Hang 12 | * @date 2019/02/28 16:00 13 | */ 14 | @Getter 15 | @Setter 16 | @ToString 17 | public class ReservationDetail { 18 | private int reservationId; 19 | private int bookId; 20 | private String bname; 21 | private Date deadline; 22 | private String userName; 23 | } 24 | -------------------------------------------------------------------------------- /spring-boot-miaosha/src/main/java/com/imooc/miaosha/dao/UserDao.java: -------------------------------------------------------------------------------- 1 | package com.imooc.miaosha.dao; 2 | 3 | import com.imooc.miaosha.domain.User; 4 | import org.apache.ibatis.annotations.Insert; 5 | import org.apache.ibatis.annotations.Mapper; 6 | import org.apache.ibatis.annotations.Param; 7 | import org.apache.ibatis.annotations.Select; 8 | 9 | @Mapper 10 | public interface UserDao { 11 | 12 | @Select("select * from user where id = #{id}") 13 | public User getById(@Param("id") int id); 14 | 15 | 16 | @Insert("insert into user(id, name) values (#{id}, #{name})") 17 | public User insert(User user); 18 | } 19 | -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/java/com/gaohanghang/springbootmanagebooks/entity/Book.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootmanagebooks.entity; 2 | 3 | import lombok.*; 4 | 5 | import java.io.Serializable; 6 | 7 | /** 8 | * @Description: 9 | * @author: Gao Hang Hang 10 | * @date 2019/02/28 12:43 11 | */ 12 | @AllArgsConstructor 13 | @NoArgsConstructor 14 | @Getter 15 | @Setter 16 | @ToString 17 | @EqualsAndHashCode 18 | public class Book implements Serializable { 19 | private int bookId; 20 | private String ISBN; 21 | private String location; 22 | private int state; 23 | private int operator; 24 | } 25 | -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/java/com/gaohanghang/springbootmanagebooks/entity/BorrowDetail.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootmanagebooks.entity; 2 | 3 | import lombok.Getter; 4 | import lombok.Setter; 5 | 6 | import java.util.Date; 7 | 8 | /** 9 | * @Description: 10 | * @author: Gao Hang Hang 11 | * @date 2019/02/28 13:42 12 | */ 13 | @Getter 14 | @Setter 15 | public class BorrowDetail { 16 | private int borrowId; //借书id 17 | private String bname; //书名 18 | private String userName; //用户名 19 | private Date btime; //借书时间 20 | private Date deadline; //规定归还时间 21 | private Date rtime; //归还时间 22 | } 23 | -------------------------------------------------------------------------------- /spring-boot-mail/src/main/java/com/gaohanghang/mail/common/util/Constants.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.mail.common.util; 2 | 3 | /** 4 | * @Description: 5 | * @author: Gao Hang Hang 6 | * @date 2019/01/30 18:37 7 | */ 8 | public class Constants { 9 | /** 10 | * 分割符 11 | */ 12 | public static final String SF_FILE_SEPARATOR = System.getProperty("file.separator"); // 文件分隔符（在 UNIX 系统中是“/”） 13 | public static final String SF_LINE_SEPARATOR = System.getProperty("line.separator"); // 行分隔符（在 UNIX 系统中是“/n”） 14 | public static final String SF_PATH_SEPARATOR = System.getProperty("path.separator"); // 路径分隔符（在 UNIX 系统中是“:”） 15 | } 16 | -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/java/com/gaohanghang/springbootmanagebooks/entity/Borrow.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootmanagebooks.entity; 2 | 3 | import lombok.Getter; 4 | import lombok.Setter; 5 | 6 | import java.util.Date; 7 | 8 | /** 9 | * @Description: 10 | * @author: Gao Hang Hang 11 | * @date 2019/02/28 13:41 12 | */ 13 | @Getter 14 | @Setter 15 | public class Borrow { 16 | private int borrowId; //借书id 17 | private int bookId; //书id 18 | private int userId; //用户id 19 | private Date btime; //借书时间 20 | private Date deadline; //规定归还时间 21 | private Date rtime; //归还时间 22 | private int operator; //操作者 23 | } 24 | -------------------------------------------------------------------------------- /.idea/libraries/Maven__mysql_mysql_connector_java_8_0_13.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/resources/Mapper/mail.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 7 | 10 | 11 | 14 | -------------------------------------------------------------------------------- /.idea/libraries/Maven__com_google_protobuf_protobuf_java_3_6_1.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | -------------------------------------------------------------------------------- /spring-boot-mail/src/main/java/com/gaohanghang/mail/common/util/CommonUtil.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.mail.common.util; 2 | 3 | import com.fasterxml.jackson.databind.ObjectMapper; 4 | 5 | /** 6 | * @Description: 7 | * @author: Gao Hang Hang 8 | * @date 2019/01/30 18:34 9 | */ 10 | public class CommonUtil { 11 | private static ObjectMapper mapper; 12 | 13 | public static synchronized ObjectMapper getMapperInstance(boolean createNew) { 14 | if (createNew) { 15 | return new ObjectMapper(); 16 | } else if (mapper == null) { 17 | mapper = new ObjectMapper(); 18 | } 19 | return mapper; 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /spring-boot-gephi/src/main/java/com/gaohanghang/springbootgephi/config/CorsConfig.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootgephi.config; 2 | 3 | import org.springframework.boot.SpringBootConfiguration; 4 | import org.springframework.web.servlet.config.annotation.CorsRegistry; 5 | import org.springframework.web.servlet.config.annotation.WebMvcConfigurer; 6 | 7 | /** 8 | * 跨域请求配置 9 | * 解决No 'Access-Control-Allow-Origin' header is present on the requested resource. 10 | */ 11 | 12 | @SpringBootConfiguration 13 | public class CorsConfig implements WebMvcConfigurer { 14 | 15 | public void addCorsMappings(CorsRegistry registry) { 16 | registry.addMapping("/**"); 17 | } 18 | } -------------------------------------------------------------------------------- /kafka-example-imooc/src/main/resources/application.properties: -------------------------------------------------------------------------------- 1 | #============== kafka =================== 2 | kafka.consumer.zookeeper.connect=127.0.0.1:2181 3 | kafka.consumer.servers=127.0.0.1:9092 4 | kafka.consumer.enable.auto.commit=true 5 | kafka.consumer.session.timeout=6000 6 | kafka.consumer.auto.commit.interval=100 7 | kafka.consumer.auto.offset.reset=latest 8 | kafka.consumer.topic=imooc-kafka 9 | kafka.consumer.group.id=imooc 10 | kafka.consumer.concurrency=10 11 | 12 | kafka.producer.servers=127.0.0.1:9092 13 | kafka.producer.retries=0 14 | kafka.producer.batch.size=4096 15 | kafka.producer.linger=1 16 | kafka.producer.buffer.memory=40960 17 | 18 | kafka.topic.default=imooc-kafka -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/java/com/gaohanghang/springbootmanagebooks/dao/BookMapper.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootmanagebooks.dao; 2 | 3 | import com.gaohanghang.springbootmanagebooks.entity.Book; 4 | import com.gaohanghang.springbootmanagebooks.entity.BookList; 5 | import org.apache.ibatis.annotations.Param; 6 | 7 | import java.util.List; 8 | 9 | /** 10 | * @Description: 11 | * @author: Gao Hang Hang 12 | * @date 2019/02/28 16:22 13 | */ 14 | public interface BookMapper { 15 | List getList(); 16 | 17 | List getListByQuery(@Param("query") String query); 18 | 19 | /*得到能被预约的书*/ 20 | List getRes(@Param("isbn") String ISBN); 21 | } 22 | -------------------------------------------------------------------------------- /kafka-example-imooc/src/main/java/com/imooc/kafka/consumer/SimpleConsumer.java: -------------------------------------------------------------------------------- 1 | package com.imooc.kafka.consumer; 2 | 3 | import com.google.gson.Gson; 4 | import com.imooc.kafka.common.MessageEntity; 5 | import lombok.extern.slf4j.Slf4j; 6 | import org.springframework.kafka.annotation.KafkaListener; 7 | import org.springframework.stereotype.Component; 8 | 9 | @Slf4j 10 | @Component 11 | public class SimpleConsumer { 12 | 13 | private final Gson gson = new Gson(); 14 | 15 | @KafkaListener(topics = "${kafka.topic.default}", containerFactory = "kafkaListenerContainerFactory") 16 | public void receive(MessageEntity message) { 17 | log.info(gson.toJson(message)); 18 | } 19 | } 20 | 21 | -------------------------------------------------------------------------------- /spring-boot-mail/src/test/java/com/gaohanghang/mail/countDownLatch/verifier/CacheHealthChecker.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.mail.countDownLatch.verifier; 2 | 3 | import java.util.concurrent.CountDownLatch; 4 | 5 | public class CacheHealthChecker extends BaseHealthChecker 6 | { 7 | public CacheHealthChecker (CountDownLatch latch) 8 | { 9 | super("Cache Service", latch); 10 | } 11 | 12 | @Override 13 | public void verifyService() 14 | { 15 | System.out.println("Checking " + this.getServiceName()); 16 | try { 17 | Thread.sleep(5000); 18 | } catch (InterruptedException e) { 19 | e.printStackTrace(); 20 | } 21 | System.out.println(this.getServiceName() + " is UP"); 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/resources/Mapper/user.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 7 | 10 | 11 | 14 | 15 | -------------------------------------------------------------------------------- /spring-boot-mail/src/test/java/com/gaohanghang/mail/countDownLatch/verifier/DatabaseHealthChecker.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.mail.countDownLatch.verifier; 2 | 3 | import java.util.concurrent.CountDownLatch; 4 | 5 | public class DatabaseHealthChecker extends BaseHealthChecker 6 | { 7 | public DatabaseHealthChecker (CountDownLatch latch) 8 | { 9 | super("Database Service", latch); 10 | } 11 | 12 | @Override 13 | public void verifyService() 14 | { 15 | System.out.println("Checking " + this.getServiceName()); 16 | try { 17 | Thread.sleep(2000); 18 | } catch (InterruptedException e) { 19 | e.printStackTrace(); 20 | } 21 | System.out.println(this.getServiceName() + " is UP"); 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /nio-group-chat-software/src/main/java/bio/BIOClient.java: -------------------------------------------------------------------------------- 1 | package bio; 2 | 3 | import java.io.IOException; 4 | import java.io.OutputStream; 5 | import java.net.Socket; 6 | 7 | /** 8 | * @Description: 9 | * @author: Gao Hang Hang 10 | * @create: 2019/04/29 08:40 11 | */ 12 | public class BIOClient { 13 | public static void main(String[] args) { 14 | try { 15 | Socket client = new Socket("localhost", 8081); 16 | OutputStream out = client.getOutputStream(); 17 | out.write("jack要连接服务器".getBytes()); 18 | out.close(); 19 | client.close(); 20 | } catch (IOException e) { 21 | e.printStackTrace(); 22 | } 23 | } 24 | } 25 | -------------------------------------------------------------------------------- /jdbc-girl/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 4.0.0 6 | 7 | top.ghang 8 | jdbc-girl 9 | 1.0-SNAPSHOT 10 | 11 | 12 | 13 | mysql 14 | mysql-connector-java 15 | 8.0.13 16 | 17 | 18 | 19 | -------------------------------------------------------------------------------- /spring-boot-message-board/src/main/java/com/gaohanghang/messageboard/controller/BaseExceptionHandler.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.messageboard.controller; 2 | 3 | import com.gaohanghang.messageboard.utils.Response; 4 | import org.springframework.web.bind.annotation.ExceptionHandler; 5 | import org.springframework.web.bind.annotation.RestControllerAdvice; 6 | 7 | /** 8 | * @Description: 9 | * @author: Gao Hang Hang 10 | * @date 2019/01/10 16:48 11 | */ 12 | @RestControllerAdvice 13 | public class BaseExceptionHandler { 14 | @ExceptionHandler(value = Exception.class) 15 | public Response exception(Exception e) { 16 | e.printStackTrace(); 17 | return new Response("-1", "服务器发生异常"); 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /jms-spring/src/main/java/com/imooc/jms/consumer/ConsumerMessageListener.java: -------------------------------------------------------------------------------- 1 | package com.imooc.jms.consumer; 2 | 3 | import javax.jms.JMSException; 4 | import javax.jms.Message; 5 | import javax.jms.MessageListener; 6 | import javax.jms.TextMessage; 7 | 8 | /** 9 | * @Description: 10 | * @author: Gao Hang Hang 11 | * @date 2019/02/10 16:39 12 | */ 13 | public class ConsumerMessageListener implements MessageListener { 14 | public void onMessage(Message message) { 15 | TextMessage textMessage = (TextMessage) message; 16 | 17 | try { 18 | System.out.println("接收消息" + textMessage.getText()); 19 | } catch (JMSException e) { 20 | e.printStackTrace(); 21 | } 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /spring-boot-mail/src/test/java/com/gaohanghang/mail/countDownLatch/verifier/NetworkHealthChecker.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.mail.countDownLatch.verifier; 2 | 3 | import java.util.concurrent.CountDownLatch; 4 | 5 | public class NetworkHealthChecker extends BaseHealthChecker 6 | { 7 | public NetworkHealthChecker (CountDownLatch latch) 8 | { 9 | super("Network Service", latch); 10 | } 11 | 12 | @Override 13 | public void verifyService() 14 | { 15 | System.out.println("Checking " + this.getServiceName()); 16 | try 17 | { 18 | Thread.sleep(7000); 19 | } 20 | catch (InterruptedException e) 21 | { 22 | e.printStackTrace(); 23 | } 24 | System.out.println(this.getServiceName() + " is UP"); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /spring-boot-message-board/src/main/java/com/gaohanghang/messageboard/utils/CommonTools.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.messageboard.utils; 2 | 3 | import java.sql.Timestamp; 4 | 5 | /** 6 | * @Description: 7 | * @author: Gao Hang Hang 8 | * @date 2019/01/25 10:52 9 | */ 10 | public class CommonTools { 11 | public static boolean isEmpty(String str) { 12 | if (str == null) 13 | return true; 14 | if (str.isEmpty()) 15 | return true; 16 | if (str == "" || str.equals("")) { 17 | return true; 18 | } 19 | return false; 20 | } 21 | 22 | public static Timestamp getCurrentTime() { 23 | return new Timestamp(System.currentTimeMillis()); 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /spring-boot-file/src/main/resources/settings.properties: -------------------------------------------------------------------------------- 1 | appid=8218a6b0-2d74-11e8-9997-218659f8f259 2 | appsecret=ffdfbf70-2d74-11e8-9997-218659f8f259 3 | #订单通知广播地址群 4 | orderChangeNotifyURLs=${JL_APP_ORDERCHANGENOTIFY:http://192.168.1.52:4002/openapi/v1/tripDetail/listenOrderChange} 5 | #所有项目头地址 6 | #url=https://t.jingli365.com/ 7 | url=${JL_APP_URL:https://j.jingli365.com/} 8 | #小tmcurl 9 | #adapterUrl=${JL_APP_ADAPTER_URL:https://j.jingli365.com/proj/tmc-tmc-adapter-#adapterName/} 10 | adapterUrl=https://j.jingli365.com/proj/tmc-tmc-adapter-#adapterName/ 11 | #基础数据请求地址 12 | marshmallowUrl=${JL_APP_MARSHMALLOW_URL:https://j.jingli365.com/svc/java-jingli-marshmallow/} 13 | #美亚logoUrl 14 | meiyaLogoUrl=static/logo/meiya.png 15 | 16 | 17 | 18 | 19 | -------------------------------------------------------------------------------- /jms-spring/src/main/java/com/imooc/jms/producer/AppProducer.java: -------------------------------------------------------------------------------- 1 | package com.imooc.jms.producer; 2 | 3 | import org.springframework.context.ApplicationContext; 4 | import org.springframework.context.support.ClassPathXmlApplicationContext; 5 | 6 | /** 7 | * @Description: 8 | * @author: Gao Hang Hang 9 | * @date 2019/02/10 11:39 10 | */ 11 | public class AppProducer { 12 | public static void main(String[] args) { 13 | ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("producer.xml"); 14 | ProducerService service = context.getBean(ProducerService.class); 15 | for (int i = 0; i < 100; i++) { 16 | service.sendMessage("test" + i); 17 | } 18 | context.close(); 19 | } 20 | } 21 | -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/java/com/gaohanghang/springbootmanagebooks/entity/ReservationResult.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootmanagebooks.entity; 2 | 3 | import lombok.Getter; 4 | import lombok.Setter; 5 | 6 | /** 7 | * @Description: 预定结果 8 | * @author: Gao Hang Hang 9 | * @date 2019/02/28 16:04 10 | */ 11 | @Getter 12 | @Setter 13 | public class ReservationResult { 14 | boolean success; 15 | T data; 16 | String error; 17 | 18 | public ReservationResult(boolean success, String error) { 19 | this.success = success; 20 | this.error = error; 21 | } 22 | 23 | public ReservationResult(boolean success, T data) { 24 | this.success = success; 25 | this.data = data; 26 | } 27 | } 28 | -------------------------------------------------------------------------------- /spring-boot-easy-excel-demo/src/main/java/com/gaohanghang/easyexceldemo/controller/BaseExceptionHandler.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.easyexceldemo.controller; 2 | 3 | import entity.Result; 4 | import entity.StatusCode; 5 | import org.springframework.web.bind.annotation.ControllerAdvice; 6 | import org.springframework.web.bind.annotation.ExceptionHandler; 7 | import org.springframework.web.bind.annotation.ResponseBody; 8 | 9 | /** 10 | * 统一异常处理类 11 | */ 12 | @ControllerAdvice 13 | public class BaseExceptionHandler { 14 | 15 | @ExceptionHandler(value = Exception.class) 16 | @ResponseBody 17 | public Result error(Exception e){ 18 | e.printStackTrace(); 19 | return new Result(false, StatusCode.ERROR, "执行出错"); 20 | } 21 | 22 | } 23 | -------------------------------------------------------------------------------- /financial-system/sql/seller.sql: -------------------------------------------------------------------------------- 1 | CREATE TABLE `order_t` ( 2 | `order_id` varchar(50) NOT NULL COMMENT '订单编号', 3 | `chan_id` varchar(50) NOT NULL COMMENT '渠道编号', 4 | `product_id` varchar(50) NOT NULL COMMENT '产品编号', 5 | `chan_user_id` varchar(50) NOT NULL COMMENT '渠道用户编号', 6 | `order_type` varchar(50) NOT NULL COMMENT '典型,APPLY:申购,REDEEM:赎回', 7 | `order_status` varchar(50) NOT NULL COMMENT '状态,INIT:初始化,PROCESS:处理中,SUCCESS:成功,FAIL:失败', 8 | `outer_order_id` varchar(50) NOT NULL COMMENT '外部订单编号', 9 | `amount` decimal(15,3) NOT NULL COMMENT '金额', 10 | `memo` varchar(200) DEFAULT NULL COMMENT '备注', 11 | `create_at` datetime DEFAULT NULL COMMENT '创建时间', 12 | `update_at` datetime DEFAULT NULL COMMENT '更新时间', 13 | PRIMARY KEY (`order_id`) 14 | ) ENGINE=InnoDB DEFAULT CHARSET=utf8; 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20 | -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/java/com/gaohanghang/springbootmanagebooks/entity/User.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootmanagebooks.entity; 2 | 3 | import lombok.Getter; 4 | import lombok.NoArgsConstructor; 5 | import lombok.Setter; 6 | import lombok.ToString; 7 | 8 | /** 9 | * @Description: 10 | * @author: Gao Hang Hang 11 | * @date 2019/02/28 16:07 12 | */ 13 | @NoArgsConstructor 14 | @Getter 15 | @Setter 16 | @ToString 17 | public class User { 18 | private int userId; 19 | private String userName; 20 | private String passWd; 21 | private String rname; 22 | private String phone; 23 | private String email; 24 | 25 | public User(String userName, String passWd) { 26 | this.userName = userName; 27 | this.passWd = passWd; 28 | } 29 | } 30 | -------------------------------------------------------------------------------- /spring-boot-gephi/src/main/java/com/gaohanghang/springbootgephi/common/enums/Group.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootgephi.common.enums; 2 | 3 | public enum Group { 4 | PERSON("Person","男人"), 5 | WOMAN("Woman","女人"), 6 | CREDITCARD("CreditCard","信用卡/银行卡"), 7 | INSURGENT("Insurgent","嫌疑人"), 8 | QQ("QQ","微信"), 9 | WHATSAPP("WhatsApp","WhatsApp"), 10 | DD("DD","钉钉"), 11 | BUILDING("Building","建筑"),; 12 | 13 | //自定义字段 14 | private String code; 15 | private String name; 16 | 17 | //构造方法 18 | private Group(String code, String name) { 19 | this.name = name; 20 | } 21 | 22 | //一般方法 23 | public String getCode() { 24 | return this.code; 25 | } 26 | 27 | public String getName() { 28 | return this.name; 29 | } 30 | } 31 | -------------------------------------------------------------------------------- /project-common/src/main/java/entity/PageResult.java: -------------------------------------------------------------------------------- 1 | package entity; 2 | 3 | import java.util.List; 4 | 5 | /** 6 | * @Description: 7 | * @author: Gao Hang Hang 8 | * @date 2019/01/09 19:36 9 | */ 10 | public class PageResult { 11 | private long total; 12 | private List rows; 13 | 14 | public PageResult() { 15 | } 16 | 17 | public PageResult(long total, List rows) { 18 | this.total = total; 19 | this.rows = rows; 20 | } 21 | 22 | public long getTotal() { 23 | return total; 24 | } 25 | 26 | public void setTotal(long total) { 27 | this.total = total; 28 | } 29 | 30 | public List getRows() { 31 | return rows; 32 | } 33 | 34 | public void setRows(List rows) { 35 | this.rows = rows; 36 | } 37 | } 38 | -------------------------------------------------------------------------------- /springboot-file-uploader/src/main/java/cn/attackme/myuploader/config/LogAspect.java: -------------------------------------------------------------------------------- 1 | package cn.attackme.myuploader.config; 2 | 3 | import lombok.extern.slf4j.Slf4j; 4 | import org.aspectj.lang.JoinPoint; 5 | import org.aspectj.lang.annotation.AfterThrowing; 6 | import org.aspectj.lang.annotation.Aspect; 7 | import org.springframework.stereotype.Component; 8 | 9 | import static cn.attackme.myuploader.utils.LogUtils.logToFile; 10 | 11 | @Aspect 12 | @Component 13 | @Slf4j 14 | public class LogAspect { 15 | 16 | /** 17 | * 日志切面 18 | * @param joinPoint 19 | * @param ex 20 | */ 21 | @AfterThrowing(throwing = "ex", pointcut = "execution(* cn.attackme.myuploader.*.*.*(..)))") 22 | public void logPoint(JoinPoint joinPoint, Throwable ex) { 23 | logToFile(joinPoint,ex); 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /spring-boot-gephi/src/main/java/com/gaohanghang/springbootgephi/controller/BaseExceptionHandler.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootgephi.controller; 2 | 3 | import com.gaohanghang.springbootgephi.entity.Result; 4 | import com.gaohanghang.springbootgephi.entity.StatusCode; 5 | import org.springframework.web.bind.annotation.ControllerAdvice; 6 | import org.springframework.web.bind.annotation.ExceptionHandler; 7 | import org.springframework.web.bind.annotation.ResponseBody; 8 | 9 | /** 10 | * 统一异常处理类 11 | */ 12 | @ControllerAdvice 13 | public class BaseExceptionHandler { 14 | 15 | @ExceptionHandler(value = Exception.class) 16 | @ResponseBody 17 | public Result error(Exception e){ 18 | 19 | e.printStackTrace(); 20 | return new Result(false, StatusCode.ERROR, "执行出错"); 21 | } 22 | 23 | } 24 | -------------------------------------------------------------------------------- /spring-boot-statemachine/src/main/java/top/ghang/springbootstatemachine/config/EventConfig.java: -------------------------------------------------------------------------------- 1 | package top.ghang.springbootstatemachine.config; 2 | 3 | import lombok.extern.slf4j.Slf4j; 4 | import org.springframework.statemachine.annotation.OnTransition; 5 | import org.springframework.statemachine.annotation.WithStateMachine; 6 | 7 | @WithStateMachine 8 | @Slf4j 9 | public class EventConfig { 10 | 11 | @OnTransition(target = "UNPAID") 12 | public void create() { 13 | log.info("订单创建，待支付"); 14 | } 15 | 16 | @OnTransition(source = "UNPAID", target = "WAITING_FOR_RECEIVE") 17 | public void pay() { 18 | log.info("用户完成支付，待收货"); 19 | } 20 | 21 | @OnTransition(source = "WAITING_FOR_RECEIVE", target = "DONE") 22 | public void receive() { 23 | log.info("用户已收货，订单完成"); 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /spring-boot-mail/src/main/java/com/gaohanghang/mail/common/interceptor/MyAdapter.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.mail.common.interceptor; 2 | 3 | import org.hibernate.criterion.Order; 4 | import org.springframework.core.Ordered; 5 | import org.springframework.web.servlet.config.annotation.ViewControllerRegistry; 6 | import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter; 7 | 8 | /** 9 | * @Description: 10 | * @author: Gao Hang Hang 11 | * @date 2019/01/30 18:27 12 | */ 13 | public class MyAdapter extends WebMvcConfigurerAdapter { 14 | public void addViewController(ViewControllerRegistry registry) { 15 | registry.addViewController( "/" ).setViewName( "forward:/login.shtml" ); 16 | registry.setOrder(Ordered.HIGHEST_PRECEDENCE); 17 | super.addViewControllers( registry ); 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /spring-boot-mail/README.md: -------------------------------------------------------------------------------- 1 | # spring-boot-mail 2 | https://gitee.com/52itstyle/spring-boot-mail 3 | 4 | 邮件发送服务，文本，附件，模板，队列，多线程，定时任务实现多种功能！！！ 5 | 6 | ## 开发环境 7 | 8 | JDK1.8、Maven、Idea、SpringBoot1.5.9、spring-boot-starter-mail、spring-boot-starter-thymeleaf、spring-boot-starter-freemarker、Dubbo、Zookeeper、Redis、Spring data jpa 9 | 10 | ## 流程图 11 | 12 | ### 平台架构 13 | ![输入图片说明](https://git.oschina.net/uploads/images/2017/0801/190708_991f282a_87650.png "2574887637.png") 14 | 15 | ### 进程内邮件队列 16 | ![邮件队列](https://git.oschina.net/uploads/images/2017/0804/135111_3b197795_87650.png "邮件队列.png") 17 | 18 | ## 项目结构 19 | 20 | - 普通文本发送 21 | - 富文本发送(图片、附件) 22 | - freeMarker模版发送邮件 23 | - thymeleaf模版发送邮件 24 | 25 | 26 | # 评测生成模版时间对比(1000次循环) 27 | 28 | 29 | - Thymeleaf用时:2686ms 30 | - Freemarker用时:498ms 31 | 32 | 对比测试，建议使用Freemarker模版 33 | 34 | 35 | 36 | 37 | -------------------------------------------------------------------------------- /jms-spring/src/main/resources/producer.xml: -------------------------------------------------------------------------------- 1 | 2 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | -------------------------------------------------------------------------------- /spring-boot-online-executor/src/test/java/com/gaohanghang/springbootonlineexecutor/execute/ByteUtilsTest.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootonlineexecutor.execute; 2 | 3 | import org.junit.Test; 4 | import org.junit.runner.RunWith; 5 | import org.springframework.boot.test.context.SpringBootTest; 6 | import org.springframework.test.context.junit4.SpringRunner; 7 | 8 | import java.util.Arrays; 9 | 10 | @RunWith(SpringRunner.class) 11 | @SpringBootTest 12 | public class ByteUtilsTest { 13 | 14 | @Test 15 | public void test1() { 16 | byte[] b = ByteUtils.string2Byte("a"); 17 | System.out.println(Arrays.toString(b)); 18 | int num = ByteUtils.byte2Int(b, 0, b.length); 19 | System.out.println(num); 20 | b = ByteUtils.int2Byte(num, b.length); 21 | System.out.println(Arrays.toString(b)); 22 | } 23 | 24 | } -------------------------------------------------------------------------------- /springboot-file-uploader/src/main/java/cn/attackme/myuploader/dao/FileDao.java: -------------------------------------------------------------------------------- 1 | package cn.attackme.myuploader.dao; 2 | 3 | import cn.attackme.myuploader.model.File; 4 | import org.apache.ibatis.annotations.Mapper; 5 | 6 | @Mapper 7 | public interface FileDao { 8 | /** 9 | * 通过主键获取一行数据 10 | * @return 11 | */ 12 | File getById(Long id); 13 | 14 | /** 15 | * 插入一行数据 16 | * @param file 17 | * @return 18 | */ 19 | int save(File file); 20 | 21 | /** 22 | * 更新一行数据 23 | * @param file 24 | * @return 25 | */ 26 | int update(File file); 27 | 28 | /** 29 | * 删除一行数据 30 | * @param id 31 | * @return 32 | */ 33 | int deleteById(Long id); 34 | 35 | /** 36 | * 根据一个或多个属性获取File 37 | * @param file 38 | * @return 39 | */ 40 | File getByFile(File file); 41 | } 42 | -------------------------------------------------------------------------------- /spring-boot-message-board/README.md: -------------------------------------------------------------------------------- 1 | # SpringBoot实现留言版 2 | ## 简介 3 | 4 | 使用SpringBoot实现的一个非常简单的留言板 5 | 6 | ## 使用的技术 7 | 8 | 开发工具：Intellij IDEA 9 | 数据库：MySQL 10 | 开发框架：SpringBoot 11 | 包括的技术：Spring Boot、Spring Data Jpa、Mysql、Swagger、bootstrap 12 | 13 | ## 快速开始 14 | 15 | 创建数据库: messageboard 16 | 17 | 导入项目后，运行DemoApplication.java 18 | 19 | ## Swagger接口文档 20 | 21 | > 使用下面的url打开 22 | > http://localhost:8080/messageBoard/swagger-ui.html 23 | 24 | ![](https://ws3.sinaimg.cn/large/006tNc79ly1fzjmupj2vdj30rt0isgni.jpg) 25 | 26 | ## 运行截图 27 | 28 | ![](https://ws1.sinaimg.cn/large/006tNc79ly1fzj690gtdhj30s40iogml.jpg) 29 | 30 | ![](https://ws2.sinaimg.cn/large/006tNc79ly1fzj69qzl8xj30rx0is0u1.jpg) 31 | 32 | # 亮点 33 | 34 | - 实时在线聊天 35 | - swagger查看接口文档 36 | 37 | # 待优化 38 | 39 | - address路径动态化 已解完成 40 | - 服务器与客户端建立长连接，而不是每次客户端请求服务器获取新数据 41 | - 服务器断开后，客户端服务异常 42 | -------------------------------------------------------------------------------- /spring-boot-message-board/src/main/java/com/gaohanghang/messageboard/utils/Response.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.messageboard.utils; 2 | 3 | /** 4 | * @Description: 5 | * @author: Gao Hang Hang 6 | * @date 2019/01/25 10:55 7 | */ 8 | public class Response { 9 | private String status; 10 | private Object content; 11 | 12 | public Response() { 13 | } 14 | 15 | public Response(String status, Object content) { 16 | this.status = status; 17 | this.content = content; 18 | } 19 | 20 | public String getStatus() { 21 | return status; 22 | } 23 | 24 | public void setStatus(String status) { 25 | this.status = status; 26 | } 27 | 28 | public Object getContent() { 29 | return content; 30 | } 31 | 32 | public void setContent(Object content) { 33 | this.content = content; 34 | } 35 | } -------------------------------------------------------------------------------- /spring-boot-gephi/src/main/java/com/gaohanghang/springbootgephi/entity/PageResult.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootgephi.entity; 2 | 3 | import java.util.List; 4 | 5 | /** 6 | * @Description: 7 | * @author: Gao Hang Hang 8 | * @date 2019/01/09 19:36 9 | */ 10 | public class PageResult { 11 | private long total; 12 | private List rows; 13 | 14 | public PageResult() { 15 | } 16 | 17 | public PageResult(long total, List rows) { 18 | this.total = total; 19 | this.rows = rows; 20 | } 21 | 22 | public long getTotal() { 23 | return total; 24 | } 25 | 26 | public void setTotal(long total) { 27 | this.total = total; 28 | } 29 | 30 | public List getRows() { 31 | return rows; 32 | } 33 | 34 | public void setRows(List rows) { 35 | this.rows = rows; 36 | } 37 | } 38 | -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/java/com/gaohanghang/springbootmanagebooks/entity/BookList.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootmanagebooks.entity; 2 | 3 | import com.fasterxml.jackson.annotation.JsonFormat; 4 | import lombok.EqualsAndHashCode; 5 | import lombok.Getter; 6 | import lombok.Setter; 7 | import lombok.ToString; 8 | 9 | import java.util.Date; 10 | 11 | /** 12 | * @Description: 13 | * @author: Gao Hang Hang 14 | * @date 2019/02/28 13:35 15 | */ 16 | @Getter 17 | @Setter 18 | @ToString 19 | @EqualsAndHashCode 20 | public class BookList { 21 | private String isbn; //国际标准书号 22 | private String bname; 23 | private String publisher; //出版者 24 | private String writer; //作者 25 | @JsonFormat(locale = "zh", timezone = "GMT+8", pattern = "yyyy-MM-dd") 26 | private Date ptime; 27 | private int number; //编号 28 | private int operator; //操作者 29 | } 30 | -------------------------------------------------------------------------------- /springboot_logstash/src/main/java/com/dalaoyang/SpringbootLogstashApplication.java: -------------------------------------------------------------------------------- 1 | package com.dalaoyang; 2 | 3 | import org.slf4j.Logger; 4 | import org.slf4j.LoggerFactory; 5 | import org.springframework.boot.SpringApplication; 6 | import org.springframework.boot.autoconfigure.SpringBootApplication; 7 | import org.springframework.web.bind.annotation.GetMapping; 8 | import org.springframework.web.bind.annotation.RestController; 9 | 10 | @SpringBootApplication 11 | @RestController 12 | public class SpringbootLogstashApplication { 13 | 14 | Logger logger = LoggerFactory.getLogger(SpringbootLogstashApplication.class); 15 | 16 | public static void main(String[] args) { 17 | SpringApplication.run(SpringbootLogstashApplication.class, args); 18 | } 19 | 20 | @GetMapping("test") 21 | public void test(){ 22 | logger.info("测试初始一些日志吧！"); 23 | } 24 | 25 | } 26 | 27 | -------------------------------------------------------------------------------- /jdbc-games-store/jdbc-games-store.iml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | -------------------------------------------------------------------------------- /jms-spring/src/main/resources/consumer.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | -------------------------------------------------------------------------------- /io-download-picture/io-download-picture.iml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | -------------------------------------------------------------------------------- /jms-test/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 4.0.0 6 | 7 | com.imooc 8 | jms-test 9 | 1.0-SNAPSHOT 10 | 11 | 12 | 13 | javax.jms 14 | javax.jms-api 15 | 2.0.1 16 | 17 | 18 | 19 | org.apache.activemq 20 | activemq-core 21 | 5.7.0 22 | 23 | 24 | -------------------------------------------------------------------------------- /jdbc-easy-meal-card-system/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 4.0.0 6 | 7 | com.ghang 8 | jdbc-easy-meal-card-system 9 | 1.0-SNAPSHOT 10 | 11 | 12 | 13 | mysql 14 | mysql-connector-java 15 | 6.0.6 16 | 17 | 18 | log4j 19 | log4j 20 | 1.2.16 21 | 22 | 23 | -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/resources/application.yml: -------------------------------------------------------------------------------- 1 | spring: 2 | thymeleaf: 3 | cache: false 4 | prefix: classpath:/templates/ 5 | suffix: .html 6 | encoding: utf-8 7 | mode: HTML5 8 | datasource: 9 | name: test 10 | url: jdbc:mysql://localhost:3306/library?useUnicode=true&characterEncoding=UTF-8&allowMultiQueries=true 11 | username: root 12 | password: root 13 | # 使用druid数据源 14 | type: com.alibaba.druid.pool.DruidDataSource 15 | driver-class-name: com.mysql.cj.jdbc.Driver 16 | mail: 17 | host: smtp.163.com 18 | username: 18595739675@163.com 19 | password: 1124512195 20 | default-encoding: utf-8 21 | mybatis: 22 | mapper-locations: classpath:Mapper/*.xml 23 | type-aliases-package: com.gaohanghang.springbootmanagebooks.entity 24 | configuration: 25 | map-underscore-to-camel-case: true 26 | 27 | mail: 28 | fromMail: 29 | addr: 18595739675@163.com -------------------------------------------------------------------------------- /nio-group-chat-software/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 4.0.0 6 | 7 | com.gaohanghang 8 | nio-group-chat-software 9 | 1.0-SNAPSHOT 10 | 11 | 12 | 13 | org.apache.maven.plugins 14 | maven-compiler-plugin 15 | 16 | 7 17 | 7 18 | 19 | 20 | 21 | 22 | 23 | 24 | -------------------------------------------------------------------------------- /spring-boot-mail/src/main/resources/static/common.js: -------------------------------------------------------------------------------- 1 | dialogOpen = function(opt){ 2 | var defaults = { 3 | id : 'layerForm', 4 | title : '', 5 | width: '', 6 | height: '', 7 | url : null, 8 | scroll : false, 9 | data : {}, 10 | btn: ['确定', '取消'], 11 | success: function(){}, 12 | yes: function(){} 13 | } 14 | var option = $.extend({}, defaults, opt), content = null; 15 | if(option.scroll){ 16 | content = [option.url] 17 | }else{ 18 | content = [option.url, 'no'] 19 | } 20 | top.layer.open({ 21 | type : 2, 22 | id : option.id, 23 | title : option.title, 24 | closeBtn : 1, 25 | anim: -1, 26 | isOutAnim: false, 27 | shadeClose : false, 28 | shade : 0.3, 29 | area : [option.width, option.height], 30 | content : content, 31 | btn: option.btn, 32 | success: function(){ 33 | option.success(option.id); 34 | }, 35 | yes: function(){ 36 | option.yes(option.id); 37 | } 38 | }); 39 | } -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/java/com/gaohanghang/springbootmanagebooks/service/UserServiceImpl.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootmanagebooks.service; 2 | 3 | import com.gaohanghang.springbootmanagebooks.dao.UserMapper; 4 | import com.gaohanghang.springbootmanagebooks.entity.User; 5 | import org.springframework.beans.factory.annotation.Autowired; 6 | import org.springframework.stereotype.Service; 7 | 8 | /** 9 | * @Description: 10 | * @author: Gao Hang Hang 11 | * @date 2019/02/28 16:46 12 | */ 13 | @Service 14 | public class UserServiceImpl implements UserService { 15 | 16 | @Autowired(required = false) // 有bean就注入，没有就不注入 17 | UserMapper userMapper; 18 | 19 | @Override 20 | public User checkUser(User user) { 21 | return userMapper.checkUser(user); 22 | } 23 | 24 | @Override 25 | public User checkManager(User user) { 26 | return userMapper.checkManager(user); 27 | } 28 | } 29 | -------------------------------------------------------------------------------- /spring-boot-miaosha/src/main/java/com/imooc/miaosha/service/UserService.java: -------------------------------------------------------------------------------- 1 | package com.imooc.miaosha.service; 2 | 3 | import com.imooc.miaosha.dao.UserDao; 4 | import com.imooc.miaosha.domain.User; 5 | import org.springframework.beans.factory.annotation.Autowired; 6 | import org.springframework.stereotype.Service; 7 | import org.springframework.transaction.annotation.Transactional; 8 | 9 | @Service 10 | public class UserService { 11 | 12 | @Autowired 13 | UserDao userDao; 14 | 15 | public User getById(int id){ 16 | return userDao.getById(id); 17 | } 18 | 19 | 20 | @Transactional 21 | public boolean tx() { 22 | User u1 = new User(); 23 | u1.setId(2); 24 | u1.setName("2222"); 25 | userDao.insert(u1); 26 | 27 | User u2 = new User(); 28 | u1.setId(1); 29 | u1.setName("11111"); 30 | userDao.insert(u2); 31 | 32 | return true; 33 | } 34 | } 35 | -------------------------------------------------------------------------------- /spring-boot-gephi/src/test/java/com/gaohanghang/springbootgephi/Test.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootgephi; 2 | 3 | import java.text.ParseException; 4 | import java.text.SimpleDateFormat; 5 | import java.time.LocalDateTime; 6 | import java.time.format.DateTimeFormatter; 7 | import java.util.Date; 8 | import java.util.Locale; 9 | 10 | public class Test { 11 | public static void main(String[] args) throws ParseException { 12 | String date = "Thu Aug 27 18:05:49 CST 2015"; 13 | SimpleDateFormat simpleDateFormat = new SimpleDateFormat("EEE MMM dd HH:mm:ss zzz yyyy", Locale.US); 14 | String formatDate = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(simpleDateFormat.parse(date)); 15 | DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"); 16 | LocalDateTime localDateTime = LocalDateTime.parse(formatDate, formatter); 17 | System.out.println(localDateTime); 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /spring-boot-mail/src/main/java/com/gaohanghang/mail/web/IndexController.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.mail.web; 2 | 3 | import io.swagger.annotations.Api; 4 | import org.springframework.web.bind.annotation.GetMapping; 5 | import org.springframework.web.bind.annotation.PathVariable; 6 | 7 | /** 8 | * 通用访问拦截匹配 9 | * @Description: 10 | * @author: Gao Hang Hang 11 | * @date 2019/02/01 17:02 12 | */ 13 | @Api(tags = "通用访问拦截匹配") 14 | public class IndexController { 15 | 16 | /** 17 | * 页面跳转 18 | * @param url 19 | * @return 20 | */ 21 | @GetMapping("{url}.shtml") 22 | public String page(@PathVariable("url") String url) { 23 | return url; 24 | } 25 | 26 | /** 27 | * 页面跳转(二级目录) 28 | * @param module 29 | * @param url 30 | * @return 31 | */ 32 | public String page(@PathVariable("module") String module, @PathVariable("url") String url) { 33 | return module + "/" + url; 34 | } 35 | } 36 | -------------------------------------------------------------------------------- /spring-boot-gephi/src/main/java/com/gaohanghang/springbootgephi/entity/Edges.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootgephi.entity; 2 | 3 | import lombok.*; 4 | 5 | import javax.persistence.Entity; 6 | import javax.persistence.GeneratedValue; 7 | import javax.persistence.Id; 8 | import javax.persistence.Table; 9 | import java.io.Serializable; 10 | import java.util.Date; 11 | 12 | @Entity 13 | @Data 14 | @Table(name="edges") 15 | @Getter 16 | @Setter 17 | @ToString 18 | @AllArgsConstructor 19 | public class Edges implements Serializable { 20 | private static final long serialVersionUID = 1L; 21 | @Id 22 | @GeneratedValue 23 | private String id; 24 | 25 | 26 | private String source; 27 | 28 | private String target; 29 | 30 | private String weight; 31 | 32 | 33 | private String label; 34 | 35 | 36 | private Date date; 37 | 38 | 39 | private Date createTime; 40 | 41 | 42 | private Date updateTime; 43 | 44 | public Edges() { 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /socket-study/ScoketDemo/src/com/imooc/socket/StartServer.java: -------------------------------------------------------------------------------- 1 | package src.com.imooc.socket; 2 | 3 | import java.io.IOException; 4 | import java.net.ServerSocket; 5 | import java.net.Socket; 6 | 7 | /** 8 | * @Description: 启动服务器 9 | * @author: Gao Hang Hang 10 | * @date 2019/02/09 14:52 11 | */ 12 | public class StartServer { 13 | public static void main(String[] args) { 14 | try { 15 | // 创建服务器Socket, 绑定指定端口 16 | ServerSocket serverSocket = new ServerSocket(8800); 17 | Socket socket = null; 18 | System.out.println("服务器即将启动，等待客户端连接*****"); 19 | while (true) { //服务器循环监听客户端的连接请求 20 | // 开始监听，等待客户端连接 21 | socket = serverSocket.accept(); 22 | // 多线程通信 23 | ServerThread thread = new ServerThread(socket); 24 | thread.start(); 25 | } 26 | } catch (IOException e) { 27 | e.printStackTrace(); 28 | } 29 | } 30 | } 31 | -------------------------------------------------------------------------------- /financial-system/sql/manager.sql: -------------------------------------------------------------------------------- 1 | CREATE TABLE `product` ( 2 | `id` varchar(50) COLLATE utf8_unicode_ci NOT NULL COMMENT '产品编号', 3 | `name` varchar(50) COLLATE utf8_unicode_ci NOT NULL COMMENT '产品名称', 4 | `threshold_amount` decimal(15,3) NOT NULL COMMENT '起投金额', 5 | `step_amount` decimal(15,3) NOT NULL COMMENT '投资步长', 6 | `lock_term` smallint(6) NOT NULL COMMENT '锁定期', 7 | `reward_rate` decimal(5,3) NOT NULL COMMENT '收益率,1-100 百分比值', 8 | `status` varchar(20) COLLATE utf8_unicode_ci NOT NULL COMMENT '状态,AUDINTING:审核中,IN_SELL:销售中,LOCKED:暂停销售,FINISHED:已结束', 9 | `memo` varchar(200) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '备注', 10 | `create_at` datetime DEFAULT NULL COMMENT '创建时间', 11 | `create_user` varchar(20) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '创建者', 12 | `update_at` datetime DEFAULT NULL COMMENT '更新时间', 13 | `update_user` varchar(20) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '更新者', 14 | PRIMARY KEY (`id`) 15 | ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci; 16 | 17 | -------------------------------------------------------------------------------- /spring-boot-mail/src/main/resources/spring-context-dubbo.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | -------------------------------------------------------------------------------- /spring-boot-shiro/src/main/java/org/hackerandpainter/springbootshiro/MyRealm.java: -------------------------------------------------------------------------------- 1 | package org.hackerandpainter.springbootshiro; 2 | 3 | import org.apache.shiro.authc.*; 4 | import org.apache.shiro.authz.AuthorizationInfo; 5 | import org.apache.shiro.realm.AuthorizingRealm; 6 | import org.apache.shiro.subject.PrincipalCollection; 7 | 8 | /** 9 | * @Author 江南一点雨 10 | * @Site www.javaboy.org 2019-06-05 11:10 11 | */ 12 | public class MyRealm extends AuthorizingRealm { 13 | 14 | @Override 15 | protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) { 16 | return null; 17 | } 18 | 19 | @Override 20 | protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException { 21 | String username = (String) token.getPrincipal(); 22 | if (!"javaboy".equals(username)) { 23 | throw new UnknownAccountException("账户不存在!"); 24 | } 25 | return new SimpleAuthenticationInfo(username, "123", getName()); 26 | } 27 | 28 | } 29 | -------------------------------------------------------------------------------- /jdbc-games-store/src/main/java/entity/Shop.java: -------------------------------------------------------------------------------- 1 | package entity; 2 | 3 | import java.io.Serializable; 4 | 5 | /** 6 | * @Description: 7 | * @author: Gao Hang Hang 8 | * @date 2019/01/23 09:53 9 | */ 10 | public class Shop implements Serializable { 11 | private Integer id;//主键 12 | private String name;// 13 | private Double money; 14 | 15 | public Shop() { 16 | } 17 | 18 | public Shop(Integer id, String name, Double money) { 19 | this.id = id; 20 | this.name = name; 21 | this.money = money; 22 | } 23 | 24 | public Integer getId() { 25 | return id; 26 | } 27 | 28 | public void setId(Integer id) { 29 | this.id = id; 30 | } 31 | 32 | public String getName() { 33 | return name; 34 | } 35 | 36 | public void setName(String name) { 37 | this.name = name; 38 | } 39 | 40 | public Double getMoney() { 41 | return money; 42 | } 43 | 44 | public void setMoney(Double money) { 45 | this.money = money; 46 | } 47 | } 48 | -------------------------------------------------------------------------------- /springboot-file-uploader/src/main/java/cn/attackme/myuploader/controller/QuickUploadController.java: -------------------------------------------------------------------------------- 1 | package cn.attackme.myuploader.controller; 2 | 3 | import cn.attackme.myuploader.service.FileService; 4 | import io.swagger.annotations.Api; 5 | import io.swagger.annotations.ApiOperation; 6 | import org.springframework.beans.factory.annotation.Autowired; 7 | import org.springframework.web.bind.annotation.CrossOrigin; 8 | import org.springframework.web.bind.annotation.GetMapping; 9 | import org.springframework.web.bind.annotation.RequestMapping; 10 | import org.springframework.web.bind.annotation.RestController; 11 | 12 | /** 13 | * 秒传 14 | */ 15 | @RestController 16 | @RequestMapping("/QuickUpload") 17 | @CrossOrigin 18 | @Api(tags = "文件秒传相关接口", description = "提供文件秒传相关的 Rest API") 19 | public class QuickUploadController { 20 | @Autowired 21 | private FileService fileService; 22 | 23 | @ApiOperation("文件秒传接口") 24 | @GetMapping("/") 25 | public boolean upload(String md5) { 26 | return fileService.checkMd5(md5); 27 | } 28 | } 29 | -------------------------------------------------------------------------------- /socket-study/ScoketDemo/src/com/imooc/entity/File.java: -------------------------------------------------------------------------------- 1 | package src.com.imooc.entity; 2 | 3 | import java.io.Serializable; 4 | 5 | /** 6 | * @Description: 文件实体类 7 | * @author: Gao Hang Hang 8 | * @date 2019/02/09 13:40 9 | */ 10 | public class File implements Serializable { 11 | private int fid; 12 | private String fname; 13 | private byte[] fcontent; 14 | 15 | public File() { 16 | } 17 | 18 | public File(String fname, byte[] fcontent) { 19 | super(); 20 | this.fname = fname; 21 | this.fcontent = fcontent; 22 | } 23 | 24 | public int getFid() { 25 | return fid; 26 | } 27 | 28 | public void setFid(int fid) { 29 | this.fid = fid; 30 | } 31 | 32 | public String getFname() { 33 | return fname; 34 | } 35 | 36 | public void setFname(String fname) { 37 | this.fname = fname; 38 | } 39 | 40 | public byte[] getFcontent() { 41 | return fcontent; 42 | } 43 | 44 | public void setFcontent(byte[] fcontent) { 45 | this.fcontent = fcontent; 46 | } 47 | } 48 | -------------------------------------------------------------------------------- /socket-study/src/Test01.java: -------------------------------------------------------------------------------- 1 | import java.net.InetAddress; 2 | import java.net.UnknownHostException; 3 | import java.util.Arrays; 4 | 5 | /** 6 | * @Description: InetAddress 7 | * @author: Gao Hang Hang 8 | * @date 2019/02/08 17:41 9 | */ 10 | public class Test01 { 11 | public static void main(String[] args) throws UnknownHostException { 12 | // 获取本机的InetAddress实例 13 | InetAddress address = InetAddress.getLocalHost(); 14 | System.out.println("计算机名：" + address.getHostName()); 15 | System.out.println("IP地址：" + address.getHostAddress()); 16 | byte[] bytes = address.getAddress();//获取字节数组形式的IP地址 17 | System.out.println("字节数组形式的IP：" + Arrays.toString(bytes)); 18 | System.out.println(address); //直接输出InetAddress对象 19 | 20 | // 根据机器名获取InetAddress实例 21 | // InetAddress address2 = InetAddress.getByName("bogon"); 22 | InetAddress address2 = InetAddress.getByName("192.168.21.100"); 23 | System.out.println("计算机名：" + address2.getHostName()); 24 | System.out.println("IP地址：" + address2.getHostAddress()); } 25 | } 26 | -------------------------------------------------------------------------------- /socket-study/src/Test02.java: -------------------------------------------------------------------------------- 1 | import java.net.MalformedURLException; 2 | import java.net.URL; 3 | 4 | /** 5 | * @Description: URL常用方法 6 | * @author: Gao Hang Hang 7 | * @date 2019/02/08 17:51 8 | */ 9 | public class Test02 { 10 | public static void main(String[] args) { 11 | try { 12 | // 创建一个URL实例 13 | URL imooc = new URL("http://www.imooc.com"); 14 | // ?后面表示参数，#后面表示锚点 15 | URL url = new URL(imooc, "/index.html?username=tom#test"); 16 | System.out.println("协议：" + url.getProtocol()); 17 | System.out.println("主机：" + url.getHost()); 18 | // 如果未指定端口号，则使用默认的端口号，此时getPort()方法返回值为-1 19 | System.out.println("端口：" + url.getPort()); 20 | System.out.println("文件路径：" + url.getPath()); 21 | System.out.println("文件名：" + url.getFile()); 22 | System.out.println("相对路径：" + url.getRef()); 23 | System.out.println("查询字符串：" + url.getQuery()); 24 | 25 | } catch (MalformedURLException e) { 26 | e.printStackTrace(); 27 | } 28 | } 29 | } 30 | -------------------------------------------------------------------------------- /jdbc-girl/jdbc-girl.iml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/resources/static/lib/css/signin.css: -------------------------------------------------------------------------------- 1 | body { 2 | padding-top: 40px; 3 | padding-bottom: 40px; 4 | background-color: #eee; 5 | } 6 | 7 | .form-signin { 8 | max-width: 330px; 9 | padding: 15px; 10 | margin: 0 auto; 11 | } 12 | 13 | .form-signin .form-signin-heading, 14 | .form-signin .checkbox { 15 | margin-bottom: 10px; 16 | } 17 | 18 | .form-signin .checkbox { 19 | font-weight: normal; 20 | } 21 | 22 | .form-signin .form-control { 23 | position: relative; 24 | height: auto; 25 | -webkit-box-sizing: border-box; 26 | -moz-box-sizing: border-box; 27 | box-sizing: border-box; 28 | padding: 10px; 29 | font-size: 16px; 30 | } 31 | 32 | .form-signin .form-control:focus { 33 | z-index: 2; 34 | } 35 | 36 | .form-signin input[type="email"] { 37 | margin-bottom: -1px; 38 | border-bottom-right-radius: 0; 39 | border-bottom-left-radius: 0; 40 | } 41 | 42 | .form-signin input[type="password"] { 43 | margin-bottom: 10px; 44 | border-top-left-radius: 0; 45 | border-top-right-radius: 0; 46 | } 47 | 48 | -------------------------------------------------------------------------------- /spring-boot-mail/src/test/java/com/gaohanghang/mail/countDownLatch/verifier/BaseHealthChecker.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.mail.countDownLatch.verifier; 2 | 3 | import java.util.concurrent.CountDownLatch; 4 | 5 | public abstract class BaseHealthChecker implements Runnable { 6 | 7 | private CountDownLatch _latch; 8 | private String _serviceName; 9 | private boolean _serviceUp; 10 | 11 | public BaseHealthChecker(String serviceName, CountDownLatch latch) 12 | { 13 | super(); 14 | this._latch = latch; 15 | this._serviceName = serviceName; 16 | this._serviceUp = false; 17 | } 18 | 19 | @Override 20 | public void run() { 21 | try { 22 | verifyService(); 23 | _serviceUp = true; 24 | } catch (Throwable t) { 25 | t.printStackTrace(System.err); 26 | _serviceUp = false; 27 | } finally { 28 | if(_latch != null) { 29 | _latch.countDown(); 30 | } 31 | } 32 | } 33 | 34 | public String getServiceName() { 35 | return _serviceName; 36 | } 37 | 38 | public boolean isServiceUp() { 39 | return _serviceUp; 40 | } 41 | 42 | public abstract void verifyService(); 43 | } 44 | -------------------------------------------------------------------------------- /spring-boot-easy-excel-demo/src/main/resources/static/layui/css/modules/code.css: -------------------------------------------------------------------------------- 1 | /** layui-v2.4.5 MIT License By https://www.layui.com */ 2 | html #layuicss-skincodecss{display:none;position:absolute;width:1989px}.layui-code-h3,.layui-code-view{position:relative;font-size:12px}.layui-code-view{display:block;margin:10px 0;padding:0;border:1px solid #e2e2e2;border-left-width:6px;background-color:#F2F2F2;color:#333;font-family:Courier New}.layui-code-h3{padding:0 10px;height:32px;line-height:32px;border-bottom:1px solid #e2e2e2}.layui-code-h3 a{position:absolute;right:10px;top:0;color:#999}.layui-code-view .layui-code-ol{position:relative;overflow:auto}.layui-code-view .layui-code-ol li{position:relative;margin-left:45px;line-height:20px;padding:0 5px;border-left:1px solid #e2e2e2;list-style-type:decimal-leading-zero;*list-style-type:decimal;background-color:#fff}.layui-code-view pre{margin:0}.layui-code-notepad{border:1px solid #0C0C0C;border-left-color:#3F3F3F;background-color:#0C0C0C;color:#C2BE9E}.layui-code-notepad .layui-code-h3{border-bottom:none}.layui-code-notepad .layui-code-ol li{background-color:#3F3F3F;border-left:none} -------------------------------------------------------------------------------- /spring-boot-gephi/src/main/java/com/gaohanghang/springbootgephi/jsonexporter/model/GraphElement.java: -------------------------------------------------------------------------------- 1 | /* 2 | * To change this template, choose Tools | Templates 3 | * and open the template in the editor. 4 | */ 5 | package com.gaohanghang.springbootgephi.jsonexporter.model; 6 | 7 | import java.util.HashMap; 8 | 9 | /** 10 | * @author shale 11 | */ 12 | public class GraphElement { 13 | protected double size; 14 | private HashMap attributes; 15 | 16 | public GraphElement() { 17 | attributes = new HashMap(); 18 | } 19 | 20 | public void putAttribute(String key, String value) { 21 | attributes.put(key, value); 22 | } 23 | 24 | public HashMap getAttributes() { 25 | return attributes; 26 | } 27 | 28 | public void putAttributes(HashMap attributes) { 29 | this.attributes = attributes; 30 | } 31 | 32 | public double getSize() { 33 | return size; 34 | } 35 | 36 | public void setSize(double size) { 37 | this.size = size; 38 | } 39 | 40 | 41 | } 42 | 43 | -------------------------------------------------------------------------------- /socket-study/ScoketDemo/src/com/imooc/entity/User.java: -------------------------------------------------------------------------------- 1 | package src.com.imooc.entity; 2 | 3 | import java.io.Serializable; 4 | 5 | /** 6 | * @Description: 用户实体类 7 | * @author: Gao Hang Hang 8 | * @date 2019/02/09 13:39 9 | */ 10 | public class User implements Serializable { 11 | 12 | private int id;//编号 13 | private String username;//用户名 14 | private String password;//密码 15 | 16 | public User() { 17 | super(); 18 | } 19 | 20 | public User(String username, String password) { 21 | this.username = username; 22 | this.password = password; 23 | } 24 | 25 | public int getId() { 26 | return id; 27 | } 28 | 29 | public void setId(int id) { 30 | this.id = id; 31 | } 32 | 33 | public String getUsername() { 34 | return username; 35 | } 36 | 37 | public void setUsername(String username) { 38 | this.username = username; 39 | } 40 | 41 | public String getPassword() { 42 | return password; 43 | } 44 | 45 | public void setPassword(String password) { 46 | this.password = password; 47 | } 48 | } 49 | -------------------------------------------------------------------------------- /socket-study/ScoketDemo/src/com/imooc/util/CommandTransfer.java: -------------------------------------------------------------------------------- 1 | package src.com.imooc.util; 2 | 3 | import java.io.Serializable; 4 | 5 | /** 6 | * @Description: 此类表示客户机和服务器之间传输的指令数据 7 | * @author: Gao Hang Hang 8 | * @date 2019/02/09 14:06 9 | */ 10 | public class CommandTransfer implements Serializable { 11 | private String cmd;//当前操作的命令 12 | private Object data;//发送的数据 13 | private boolean flag;//操作是否成功 14 | private String result;//返回的结果 15 | 16 | public String getCmd() { 17 | return cmd; 18 | } 19 | 20 | public void setCmd(String cmd) { 21 | this.cmd = cmd; 22 | } 23 | 24 | public Object getData() { 25 | return data; 26 | } 27 | 28 | public void setData(Object data) { 29 | this.data = data; 30 | } 31 | 32 | public boolean isFlag() { 33 | return flag; 34 | } 35 | 36 | public void setFlag(boolean flag) { 37 | this.flag = flag; 38 | } 39 | 40 | public String getResult() { 41 | return result; 42 | } 43 | 44 | public void setResult(String result) { 45 | this.result = result; 46 | } 47 | } 48 | -------------------------------------------------------------------------------- /jms-spring/src/main/java/com/imooc/jms/producer/ProducerServiceImpl.java: -------------------------------------------------------------------------------- 1 | package com.imooc.jms.producer; 2 | 3 | import org.springframework.beans.factory.annotation.Autowired; 4 | import org.springframework.jms.core.JmsTemplate; 5 | import org.springframework.jms.core.MessageCreator; 6 | 7 | import javax.annotation.Resource; 8 | import javax.jms.*; 9 | 10 | /** 11 | * @Description: 12 | * @author: Gao Hang Hang 13 | * @date 2019/02/10 11:32 14 | */ 15 | public class ProducerServiceImpl implements ProducerService { 16 | 17 | @Autowired 18 | JmsTemplate jmsTemplate; 19 | @Resource(name = "topicDestination") 20 | Destination destination; 21 | 22 | public void sendMessage(final String message) { 23 | // 使用JmsTemplate发送消息 24 | jmsTemplate.send(destination, new MessageCreator() { 25 | // 创建一个消息 26 | public Message createMessage(Session session) throws JMSException { 27 | TextMessage textMessage = session.createTextMessage(message); 28 | return textMessage; 29 | } 30 | }); 31 | System.out.println("发送消息：" + message); 32 | } 33 | } 34 | -------------------------------------------------------------------------------- /jms-spring/README.md: -------------------------------------------------------------------------------- 1 | # Java消息中间件实战 2 | 3 | >慕课网 [Java消息中间件](https://www.imooc.com/video/15224) 4 | 5 | ![](https://ws2.sinaimg.cn/large/006tNc79ly1g01get94ysj30k90b9t9c.jpg) 6 | 7 | ![](https://ws1.sinaimg.cn/large/006tNc79ly1g0411ohs50j30k60bhwf9.jpg) 8 | 9 | 10 | ![](https://ws1.sinaimg.cn/large/006tNc79ly1g04124fkrrj30ke0bgmxy.jpg) 11 | 12 | ![](https://ws3.sinaimg.cn/large/006tNc79ly1g0413gi25sj30ki0b90tm.jpg) 13 | 14 | ![](https://ws2.sinaimg.cn/large/006tNc79ly1g0413xhck6j30kf0bewf0.jpg) 15 | 16 | 17 | ![](https://ws2.sinaimg.cn/large/006tNc79ly1g04161rexmj30k90bbjsb.jpg) 18 | 19 | ![](https://ws2.sinaimg.cn/large/006tNc79ly1g04171tsp8j30ka0b6754.jpg) 20 | 21 | ![](https://ws4.sinaimg.cn/large/006tNc79ly1g0417ltuu2j30k90b8750.jpg) 22 | 23 | ![](https://ws3.sinaimg.cn/large/006tNc79ly1g04188q99pj30kd0b50tl.jpg) 24 | 25 | ![](https://ws4.sinaimg.cn/large/006tNc79ly1g041i7tsnvj30k20b7dgr.jpg) 26 | 27 | ![](https://ws3.sinaimg.cn/large/006tNc79ly1g041jymu13j30kq0bd755.jpg) 28 | 29 | ![](https://ws3.sinaimg.cn/large/006tNc79ly1g041kfci73j30kg0bi0ta.jpg) 30 | 31 | ![](https://ws3.sinaimg.cn/large/006tNc79ly1g041lxtdy2j30ki0bamxz.jpg) 32 | 33 | 34 | -------------------------------------------------------------------------------- /socket-study/ScoketDemo/src/com/imooc/service/FileService.java: -------------------------------------------------------------------------------- 1 | package src.com.imooc.service; 2 | 3 | import src.com.imooc.entity.File; 4 | import src.com.imooc.util.DBUtil; 5 | 6 | import java.sql.Connection; 7 | import java.sql.PreparedStatement; 8 | import java.sql.ResultSet; 9 | import java.sql.SQLException; 10 | 11 | /** 12 | * @Description: 13 | * @author: Gao Hang Hang 14 | * @date 2019/02/09 13:44 15 | */ 16 | public class FileService { 17 | private Connection conn = null; 18 | private PreparedStatement pstmt = null; 19 | private ResultSet rs = null; 20 | 21 | // 将文件保存到数据库中 22 | public void save(File file) { 23 | String sql = "insert into tb_file(fname,fcontent) values (?,?)"; 24 | try { 25 | conn = conn = DBUtil.getConnection(); 26 | pstmt = conn.prepareStatement(sql); 27 | pstmt.setString(1, file.getFname()); 28 | pstmt.setBytes(2, file.getFcontent()); 29 | pstmt.executeUpdate(); 30 | } catch (SQLException e) { 31 | e.printStackTrace(); 32 | } finally { 33 | DBUtil.clostAll(rs, pstmt, conn); 34 | } 35 | } 36 | } 37 | -------------------------------------------------------------------------------- /spring-boot-gephi/src/test/java/com/gaohanghang/springbootgephi/Test2.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootgephi; 2 | 3 | import com.gaohanghang.springbootgephi.common.enums.Group; 4 | import com.google.gson.Gson; 5 | import com.google.gson.GsonBuilder; 6 | import org.json.JSONException; 7 | 8 | import java.io.FileWriter; 9 | import java.io.Writer; 10 | import java.util.ArrayList; 11 | import java.util.List; 12 | 13 | public class Test2 { 14 | public static void main(String[] args) throws JSONException { 15 | try{ 16 | List foo = new ArrayList(); 17 | foo.add("1"); 18 | foo.add("2"); 19 | foo.add("3"); 20 | System.out.println("values :: "+foo); 21 | Writer writer = new FileWriter("operatorList.json"); 22 | Gson gson = new GsonBuilder().create(); 23 | gson.toJson(foo, writer); 24 | writer.flush(); //flush data to file <--- 25 | writer.close(); //close write <--- 26 | }catch(Exception e){ 27 | e.printStackTrace(); 28 | } 29 | 30 | System.out.println(Group.BUILDING.getName()); 31 | } 32 | } 33 | -------------------------------------------------------------------------------- /spring-boot-message-board/src/main/resources/static/js/util.js: -------------------------------------------------------------------------------- 1 | var address = "http://" + location.host + "/messageBoard/"; 2 | 3 | function setCookie(name, value, days) { 4 | var d = new Date; 5 | d.setTime(d.getTime() + 24*60*60*1000*days); 6 | window.document.cookie = name + "=" + value + ";path=/;expires=" + d.toGMTString(); 7 | } 8 | 9 | function getCookie(name) { 10 | var v = window.document.cookie.match('(^|;) ?' + name + '=([^;]*)(;|$)'); 11 | return v ? v[2] : null; 12 | } 13 | 14 | function getUserName(userId) { 15 | var user = {}; 16 | user.userId = userId; 17 | var response; 18 | $.ajax({ 19 | async : false, 20 | type : 'POST', 21 | url : address+"getUser", 22 | data : user, 23 | dataType : 'json', 24 | success : function(result) { 25 | response = result; 26 | }, 27 | error : function(result) { 28 | alert('服务器异常'); 29 | } 30 | }); 31 | if(response.status == "0"){ 32 | var user = response.content; 33 | user = JSON.parse(user); 34 | return user.userName; 35 | } 36 | else{ 37 | alert(response.content); 38 | } 39 | } -------------------------------------------------------------------------------- /springboot-file-uploader/src/main/java/cn/attackme/myuploader/controller/TestExceptionController.java: -------------------------------------------------------------------------------- 1 | package cn.attackme.myuploader.controller; 2 | 3 | import io.swagger.annotations.Api; 4 | import io.swagger.annotations.ApiOperation; 5 | import org.springframework.web.bind.annotation.GetMapping; 6 | import org.springframework.web.bind.annotation.RequestMapping; 7 | import org.springframework.web.bind.annotation.RestController; 8 | 9 | import static cn.attackme.myuploader.utils.LogUtils.logToFile; 10 | 11 | /** 12 | * 测试日志功能 13 | */ 14 | @RestController 15 | @RequestMapping("/Ex") 16 | @Api(tags = "测试日志功能接口", description = "提供测试日志功能的 Rest API") 17 | public class TestExceptionController { 18 | /** 19 | * 测试日志切面 20 | * @return 21 | */ 22 | @ApiOperation("测试日志切面的接口") 23 | @GetMapping("/aspect") 24 | public int aspect() { 25 | int i = 1 / 0; 26 | return i; 27 | } 28 | 29 | /** 30 | * 测试日志util 31 | */ 32 | @ApiOperation("测试日志util的接口") 33 | @GetMapping("/util") 34 | public void util() { 35 | try { 36 | System.out.println(1/0); 37 | } catch (Exception e) { 38 | logToFile(e); 39 | } 40 | } 41 | } 42 | -------------------------------------------------------------------------------- /spring-boot-easy-excel-demo/src/main/resources/static/layui/lay/modules/code.js: -------------------------------------------------------------------------------- 1 | /** layui-v2.4.5 MIT License By https://www.layui.com */ 2 | ;layui.define("jquery",function(e){"use strict";var a=layui.$,l="http://www.layui.com/doc/modules/code.html";e("code",function(e){var t=[];e=e||{},e.elem=a(e.elem||".layui-code"),e.about=!("about"in e)||e.about,e.elem.each(function(){t.push(this)}),layui.each(t.reverse(),function(t,i){var c=a(i),o=c.html();(c.attr("lay-encode")||e.encode)&&(o=o.replace(/&(?!#?[a-zA-Z0-9]+;)/g,"&").replace(//g,">").replace(/'/g,"'").replace(/"/g,""")),c.html('
  1. '+o.replace(/[\r\t\n]+/g,"
  2. ")+"
"),c.find(">.layui-code-h3")[0]||c.prepend('

'+(c.attr("lay-title")||e.title||"code")+(e.about?'layui.code':"")+"

");var d=c.find(">.layui-code-ol");c.addClass("layui-box layui-code-view"),(c.attr("lay-skin")||e.skin)&&c.addClass("layui-code-"+(c.attr("lay-skin")||e.skin)),(d.find("li").length/100|0)>0&&d.css("margin-left",(d.find("li").length/100|0)+"px"),(c.attr("lay-height")||e.height)&&d.css("max-height",c.attr("lay-height")||e.height)})})}).addcss("modules/code.css","skincodecss"); -------------------------------------------------------------------------------- /springboot-file-uploader/src/main/java/cn/attackme/myuploader/model/File.java: -------------------------------------------------------------------------------- 1 | package cn.attackme.myuploader.model; 2 | 3 | import lombok.AllArgsConstructor; 4 | import lombok.Data; 5 | import lombok.ToString; 6 | 7 | import java.io.Serializable; 8 | import java.util.Date; 9 | 10 | /** 11 | * File表存储上传的文件信息 12 | */ 13 | @Data 14 | @AllArgsConstructor 15 | @ToString 16 | public class File implements Serializable { 17 | 18 | private static final long serialVersionUID = -6956947981866795431L; 19 | 20 | private Long id; 21 | private String name; 22 | private String md5; 23 | private String path; 24 | private Date uploadTime; 25 | private String ext; // 文件扩展名 26 | 27 | public File() { 28 | } 29 | 30 | public File(String name, String md5, String path, Date uploadTime) { 31 | this.name = name; 32 | this.md5 = md5; 33 | this.path = path; 34 | this.uploadTime = uploadTime; 35 | } 36 | 37 | public File(String name, String md5, String path, Date uploadTime, String ext) { 38 | this.name = name; 39 | this.md5 = md5; 40 | this.path = path; 41 | this.uploadTime = uploadTime; 42 | this.ext = ext; 43 | } 44 | } 45 | -------------------------------------------------------------------------------- /socket-study/ScoketDemo/src/com/imooc/util/DBUtil.java: -------------------------------------------------------------------------------- 1 | package src.com.imooc.util; 2 | 3 | import java.sql.*; 4 | 5 | /** 6 | * @Description: 7 | * @author: Gao Hang Hang 8 | * @date 2019/02/09 13:59 9 | */ 10 | public class DBUtil { 11 | 12 | // 获取数据库连接 13 | public static Connection getConnection() { 14 | String driverClassName = "com.mysql.jdbc.Driver"; 15 | String url = "jdbc:mysql://localhost:3306/test"; 16 | String username = "root"; 17 | String password = "root"; 18 | Connection conn = null; 19 | try { 20 | Class.forName(driverClassName); 21 | conn = DriverManager.getConnection(url, username, password); 22 | } catch (Exception e) { 23 | e.printStackTrace(); 24 | } 25 | return conn; 26 | } 27 | 28 | // 关闭所有 29 | public static void clostAll(ResultSet rs, Statement stmt, Connection conn) { 30 | try { 31 | if(rs != null) 32 | rs.close(); 33 | if (stmt != null) 34 | stmt.close(); 35 | if (conn != null) 36 | conn.close(); 37 | } catch (SQLException e) { 38 | e.printStackTrace(); 39 | } 40 | } 41 | } 42 | -------------------------------------------------------------------------------- /socket-study/src/Test03.java: -------------------------------------------------------------------------------- 1 | import java.io.BufferedReader; 2 | import java.io.IOException; 3 | import java.io.InputStream; 4 | import java.io.InputStreamReader; 5 | import java.net.MalformedURLException; 6 | import java.net.URL; 7 | 8 | /** 9 | * @Description: 使用URL读取页面内容 10 | * @author: Gao Hang Hang 11 | * @date 2019/02/08 17:59 12 | */ 13 | public class Test03 { 14 | public static void main(String[] args) { 15 | try { 16 | // 创建一个URL实例 17 | URL url = new URL("http://www.baidu.com"); 18 | InputStream inputStream = url.openStream(); 19 | // 将字节输入流转换为字符输入流 20 | InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "utf-8"); 21 | // 为字符输入流添加缓冲 22 | BufferedReader bufferedReader = new BufferedReader(inputStreamReader); 23 | String data = bufferedReader.readLine(); 24 | while (data != null) { //循环读取数据 25 | System.out.println(data); 26 | data = bufferedReader.readLine(); 27 | } 28 | } catch (MalformedURLException e) { 29 | e.printStackTrace(); 30 | } catch (IOException e) { 31 | e.printStackTrace(); 32 | } 33 | } 34 | } 35 | -------------------------------------------------------------------------------- /springboot-file-uploader/src/main/java/cn/attackme/myuploader/controller/FileUploadController.java: -------------------------------------------------------------------------------- 1 | package cn.attackme.myuploader.controller; 2 | 3 | import cn.attackme.myuploader.service.FileService; 4 | import io.swagger.annotations.Api; 5 | import io.swagger.annotations.ApiOperation; 6 | import org.springframework.beans.factory.annotation.Autowired; 7 | import org.springframework.web.bind.annotation.CrossOrigin; 8 | import org.springframework.web.bind.annotation.PostMapping; 9 | import org.springframework.web.bind.annotation.RequestMapping; 10 | import org.springframework.web.bind.annotation.RestController; 11 | import org.springframework.web.multipart.MultipartFile; 12 | 13 | import java.io.IOException; 14 | 15 | /** 16 | * 文件上传 17 | */ 18 | @RestController 19 | @RequestMapping("/File") 20 | @CrossOrigin 21 | @Api(tags = "文件上传相关接口", description = "提供文件上传相关的 Rest API") 22 | public class FileUploadController { 23 | @Autowired 24 | private FileService fileService; 25 | 26 | @ApiOperation("文件上传接口") 27 | @PostMapping("/") 28 | public void upload(String name, 29 | String md5, 30 | MultipartFile file) throws IOException { 31 | fileService.upload(name, md5,file); 32 | } 33 | } 34 | -------------------------------------------------------------------------------- /jdbc-easy-meal-card-system/src/main/java/utils/JdbcUtil.java: -------------------------------------------------------------------------------- 1 | package utils; 2 | 3 | import java.sql.Connection; 4 | import java.sql.DriverManager; 5 | 6 | /** 7 | * @Description: 8 | * @author: Gao Hang Hang 9 | * @date 2019/01/22 17:51 10 | */ 11 | public class JdbcUtil { 12 | private static final String URL = "jdbc:mysql://localhost:3306/meal_card?characterEncoding=utf8&useSSL=true"; 13 | private static final String USERNAME = "root"; 14 | private static final String PASSWORD = "root"; 15 | // 上面分别定义了URL(统一资源定位器),USERNAME(用户名),PASSWORD(密码) 16 | 17 | private static Connection connection = null; // 定义一个空的Connection 18 | 19 | static { 20 | try { 21 | // 自Java 6（JDBC 4.0）以来，通常不需要手动加载驱动程序类Class.forName 22 | connection = DriverManager.getConnection(URL, USERNAME, PASSWORD); // 获取连接 23 | } catch (Exception e) { 24 | e.printStackTrace(); 25 | } 26 | } 27 | 28 | public static Connection getConnection() { 29 | return connection; 30 | } 31 | 32 | public static void main(String[] args) { 33 | Connection connection = getConnection(); 34 | if (connection!=null) { 35 | System.out.println("数据库连接成功！"); 36 | } 37 | } 38 | } 39 | -------------------------------------------------------------------------------- /jdbc-easy-meal-card-system/MySQL.sql: -------------------------------------------------------------------------------- 1 | /* 2 | Navicat Premium Data Transfer 3 | 4 | Source Server : mysql 5 | Source Server Type : MySQL 6 | Source Server Version : 50723 7 | Source Host : localhost:3306 8 | Source Schema : meal_card 9 | 10 | Target Server Type : MySQL 11 | Target Server Version : 50723 12 | File Encoding : 65001 13 | 14 | Date: 22/01/2019 21:27:01 15 | */ 16 | 17 | SET NAMES utf8mb4; 18 | SET FOREIGN_KEY_CHECKS = 0; 19 | 20 | -- ---------------------------- 21 | -- Table structure for card 22 | -- ---------------------------- 23 | DROP TABLE IF EXISTS `card`; 24 | CREATE TABLE `card` ( 25 | `id` varchar(20) NOT NULL, 26 | `name` varchar(35) DEFAULT NULL, 27 | `class_name` varchar(30) DEFAULT NULL, 28 | `money` double DEFAULT '100', 29 | `password` varchar(30) DEFAULT '000000', 30 | `num_of_bank_card` double DEFAULT '1000', 31 | PRIMARY KEY (`id`) 32 | ) ENGINE=InnoDB DEFAULT CHARSET=utf8; 33 | 34 | -- ---------------------------- 35 | -- Records of card 36 | -- ---------------------------- 37 | BEGIN; 38 | INSERT INTO `card` VALUES ('1', 'test1', 'class1', 90, '123456', 1000); 39 | INSERT INTO `card` VALUES ('4', 'test4', 'class4', 100, '123456', 1000); 40 | COMMIT; 41 | 42 | SET FOREIGN_KEY_CHECKS = 1; 43 | -------------------------------------------------------------------------------- /jdbc-games-store/src/main/java/entity/User.java: -------------------------------------------------------------------------------- 1 | package entity; 2 | 3 | /** 4 | * @Description: 顾客实体类 5 | * @author: Gao Hang Hang 6 | * @date 2019/01/23 09:51 7 | */ 8 | public class User { 9 | private String id;//主键 10 | private String name;//网名 11 | private String password;//登录密码 12 | private double money;//所拥有的金币 13 | 14 | public User() { 15 | } 16 | 17 | public User(String id, String name, String password, double money) { 18 | this.id = id; 19 | this.name = name; 20 | this.password = password; 21 | this.money = money; 22 | } 23 | 24 | public String getId() { 25 | return id; 26 | } 27 | 28 | public void setId(String id) { 29 | this.id = id; 30 | } 31 | 32 | public String getName() { 33 | return name; 34 | } 35 | 36 | public void setName(String name) { 37 | this.name = name; 38 | } 39 | 40 | public String getPassword() { 41 | return password; 42 | } 43 | 44 | public void setPassword(String password) { 45 | this.password = password; 46 | } 47 | 48 | public double getMoney() { 49 | return money; 50 | } 51 | 52 | public void setMoney(double money) { 53 | this.money = money; 54 | } 55 | } 56 | -------------------------------------------------------------------------------- /socket-study/src/UDPClient.java: -------------------------------------------------------------------------------- 1 | import javax.xml.crypto.Data; 2 | import java.io.IOException; 3 | import java.net.*; 4 | 5 | /** 6 | * @Description: 客户端 7 | * @author: Gao Hang Hang 8 | * @date 2019/02/09 13:15 9 | */ 10 | public class UDPClient { 11 | public static void main(String[] args) throws IOException { 12 | // 1.定义服务器的地址、端口号、数据 13 | InetAddress address = InetAddress.getByName("localhost"); 14 | int port = 8800; 15 | byte[] data = "用户名: admin;密码：123".getBytes(); 16 | // 2.创建数据报，包含发送的数据信息 17 | DatagramPacket packet = new DatagramPacket(data, data.length, address, port); 18 | // 3.创建DatagramSocket对象 19 | DatagramSocket socket = new DatagramSocket(); 20 | // 4.向服务端发送数据报 21 | socket.send(packet); 22 | 23 | /* 24 | 接收服务器端响应的数据 25 | */ 26 | // 1.创建数据报，用于接收服务器端响应的数据 27 | byte[] data2 = new byte[1024]; 28 | DatagramPacket packet2 = new DatagramPacket(data2, data2.length); 29 | // 2.接收服务器响应的数据 30 | socket.receive(packet2); 31 | // 3.读取数据 32 | String reply = new String(data2, 0, packet2.getLength()); 33 | System.out.println("我是客户端，服务器说：" + reply); 34 | // 4.关闭资源 35 | socket.close(); 36 | } 37 | } 38 | -------------------------------------------------------------------------------- /socket-study/src/Client.java: -------------------------------------------------------------------------------- 1 | import java.io.*; 2 | import java.net.Socket; 3 | 4 | /** 5 | * @Description: 客户端 6 | * @author: Gao Hang Hang 7 | * @date 2019/02/09 00:01 8 | */ 9 | public class Client { 10 | public static void main(String[] args) { 11 | try { 12 | // 1.创建Socket，指定服务器地址和端口 13 | Socket socket = new Socket("localhost", 8888); 14 | // 2.获取输出流，向服务器端发送信息 15 | OutputStream os = socket.getOutputStream();//字节输出流 16 | PrintWriter pw = new PrintWriter(os);//将输出流包装为打印流 17 | pw.write("用户名：admin;密码：123"); 18 | pw.flush(); 19 | socket.shutdownOutput();//关闭输出流 20 | //3.获取输入流，并读取服务端的响应信息 21 | InputStream is = socket.getInputStream(); 22 | BufferedReader br = new BufferedReader(new InputStreamReader(is)); 23 | String info = null; 24 | while ((info=br.readLine()) != null) { 25 | System.out.println("我是客户端，服务器说："+info); 26 | } 27 | // 4.关闭资源 28 | br.close(); 29 | is.close(); 30 | pw.close(); 31 | os.close(); 32 | socket.close(); 33 | } catch (IOException e) { 34 | e.printStackTrace(); 35 | } 36 | } 37 | } 38 | -------------------------------------------------------------------------------- /spring-boot-mail/src/main/java/com/gaohanghang/mail/entity/OaEmail.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.mail.entity; 2 | 3 | import java.io.Serializable; 4 | import java.sql.Timestamp; 5 | 6 | /** 7 | * @Description: 8 | * @author: Gao Hang Hang 9 | * @date 2019/01/26 21:56 10 | */ 11 | public class OaEmail implements Serializable { 12 | private static final long serialVersionUID = 1L; 13 | 14 | /** 15 | * 自增主键 16 | */ 17 | private Long id; 18 | 19 | /** 20 | * 接收人邮箱(过个逗号分开) 21 | */ 22 | private String receiveEmail; 23 | 24 | /** 25 | * 主题 26 | */ 27 | private String subject; 28 | 29 | /** 30 | * 发送内容 31 | */ 32 | private String content; 33 | 34 | /** 35 | * 模板 36 | */ 37 | private String template; 38 | 39 | /** 40 | * 发送时间 41 | */ 42 | private Timestamp sendTime; 43 | 44 | public OaEmail() { 45 | super(); 46 | } 47 | 48 | public OaEmail(Long id, String receiveEmail, String subject, String content, String template, Timestamp sendTime) { 49 | this.id = id; 50 | this.receiveEmail = receiveEmail; 51 | this.subject = subject; 52 | this.content = content; 53 | this.template = template; 54 | this.sendTime = sendTime; 55 | } 56 | } 57 | -------------------------------------------------------------------------------- /spring-boot-mail/src/main/java/com/gaohanghang/mail/web/mailController.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.mail.web; 2 | 3 | import com.gaohanghang.mail.common.model.Email; 4 | import com.gaohanghang.mail.common.model.Result; 5 | import com.gaohanghang.mail.service.IMailService; 6 | import io.swagger.annotations.Api; 7 | import io.swagger.annotations.ApiOperation; 8 | import org.springframework.beans.factory.annotation.Autowired; 9 | import org.springframework.web.bind.annotation.PostMapping; 10 | import org.springframework.web.bind.annotation.RequestMapping; 11 | import org.springframework.web.bind.annotation.RestController; 12 | 13 | /** 14 | * @Description: 15 | * @author: Gao Hang Hang 16 | * @date 2019/02/01 17:08 17 | */ 18 | @Api(tags = "邮件管理") 19 | @RestController 20 | @RequestMapping("/mial") 21 | public class mailController { 22 | 23 | @Autowired 24 | private IMailService mailService; 25 | 26 | @PostMapping("send") 27 | public Result send(Email mail) { 28 | try { 29 | mailService.sendFreemarker(mail); 30 | } catch (Exception e) { 31 | e.printStackTrace(); 32 | } 33 | return Result.ok(); 34 | } 35 | 36 | @ApiOperation("获取所有邮件") 37 | @PostMapping("list") 38 | public Result list(Email mail) { 39 | return mailService.listMail(mail); 40 | } 41 | } 42 | -------------------------------------------------------------------------------- /nio-group-chat-software/src/main/java/bio/BIOServer.java: -------------------------------------------------------------------------------- 1 | package bio; 2 | 3 | import java.io.IOException; 4 | import java.io.InputStream; 5 | import java.net.ServerSocket; 6 | import java.net.Socket; 7 | 8 | /** 9 | * @Description: 10 | * @author: Gao Hang Hang 11 | * @create: 2019/04/28 23:19 12 | */ 13 | public class BIOServer { 14 | 15 | ServerSocket server; 16 | 17 | public BIOServer(int port) { 18 | try { 19 | server = new ServerSocket(port); 20 | System.out.println("IO服务已经启动，监控的端口是：" + port); 21 | } catch (IOException e) { 22 | e.printStackTrace(); 23 | } 24 | } 25 | 26 | public static void main(String[] args) { 27 | new BIOServer(8081).start(); 28 | } 29 | 30 | public void start() { 31 | while (true) { 32 | try { 33 | Socket client = server.accept(); 34 | InputStream is = client.getInputStream(); 35 | byte[] buff = new byte[1024]; 36 | int len = is.read(buff); 37 | if (len > 0) { 38 | String msg = new String(buff,0,len); 39 | System.out.println("服务端已接收客户端数据，数据内容是：" + msg); 40 | } 41 | } catch (IOException e) { 42 | e.printStackTrace(); 43 | } 44 | } 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /qrcode-img-svg/src/main/java/QRGenDemo.java: -------------------------------------------------------------------------------- 1 | import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel; 2 | import net.glxn.qrgen.core.image.ImageType; 3 | import net.glxn.qrgen.javase.QRCode; 4 | 5 | import java.awt.*; 6 | import java.io.File; 7 | import java.io.IOException; 8 | import java.nio.file.Files; 9 | import java.nio.file.Path; 10 | import java.nio.file.Paths; 11 | 12 | public class QRGenDemo { 13 | 14 | public static void main(String[] args) throws IOException { 15 | File file = QRCode.from("wwww.google.com").to(ImageType.PNG) 16 | .withSize(200, 200) 17 | .file(); 18 | 19 | String fileName = "qugen-qrcode.png"; 20 | 21 | Path path = Paths.get(fileName); 22 | if (Files.exists(path)) { 23 | Files.delete(path); 24 | } 25 | 26 | Files.copy(file.toPath(), path); 27 | 28 | 29 | Path colorPath = Paths.get("qrgen-color-qrcode.png"); 30 | if (Files.exists(colorPath)) { 31 | Files.delete(colorPath); 32 | } 33 | 34 | file = QRCode.from("www.google.com") 35 | .withColor(Color.RED.getRGB(), Color.WHITE.getRGB()) 36 | .withSize(200, 200) 37 | .withErrorCorrection(ErrorCorrectionLevel.Q) 38 | .file(); 39 | Files.copy(file.toPath(), colorPath); 40 | } 41 | } 42 | -------------------------------------------------------------------------------- /spring-boot-shiro/src/main/java/org/hackerandpainter/springbootshiro/LoginController.java: -------------------------------------------------------------------------------- 1 | package org.hackerandpainter.springbootshiro; 2 | 3 | import org.apache.shiro.SecurityUtils; 4 | import org.apache.shiro.authc.AuthenticationException; 5 | import org.apache.shiro.authc.UsernamePasswordToken; 6 | import org.apache.shiro.subject.Subject; 7 | import org.springframework.web.bind.annotation.GetMapping; 8 | import org.springframework.web.bind.annotation.PostMapping; 9 | import org.springframework.web.bind.annotation.RestController; 10 | 11 | /** 12 | * @Author 江南一点雨 13 | * @Site www.javaboy.org 2019-06-05 11:24 14 | */ 15 | @RestController 16 | public class LoginController { 17 | 18 | @PostMapping("/doLogin") 19 | public void doLogin(String username, String password) { 20 | Subject subject = SecurityUtils.getSubject(); 21 | try { 22 | subject.login(new UsernamePasswordToken(username, password)); 23 | System.out.println("登录成功!"); 24 | } catch (AuthenticationException e) { 25 | e.printStackTrace(); 26 | System.out.println("登录失败!"); 27 | } 28 | } 29 | 30 | @GetMapping("/hello") 31 | public String hello() { 32 | return "hello"; 33 | } 34 | 35 | @GetMapping("/login") 36 | public String login() { 37 | return "please login!"; 38 | } 39 | 40 | } 41 | -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/java/com/gaohanghang/springbootmanagebooks/service/BookService.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootmanagebooks.service; 2 | 3 | import com.gaohanghang.springbootmanagebooks.entity.*; 4 | 5 | import java.util.List; 6 | 7 | /** 8 | * @Description: 9 | * @author: Gao Hang Hang 10 | * @date 2019/03/04 13:17 11 | */ 12 | public interface BookService { 13 | /* 14 | user 15 | */ 16 | List getList(); 17 | 18 | // 19 | List getListByQuery(String query); 20 | 21 | // 获取借阅的图书 22 | List getListById(int userId); 23 | 24 | // 通过bookId删除图书 25 | int deleteById(int bookId); 26 | 27 | // 预约图书 28 | void processRes(String ISBN, User user); 29 | 30 | // 获取预定详情 31 | List getResById(User user); 32 | 33 | // 归还图书 34 | void returnBookById(int borrowId); 35 | 36 | /*admin*/ 37 | void addBookList(BookList bookList, int state); 38 | 39 | // 40 | void insertBorrow(int reservationId,int operator); 41 | 42 | // 获取预约 43 | List getResInfo(); 44 | 45 | // 46 | List getResList(); 47 | 48 | // 借阅详情 49 | List getBorInfo(User user); 50 | 51 | // 52 | List getBorList(); 53 | 54 | // 删除booklist 55 | int deleteBookList(BookList bookList); 56 | } 57 | -------------------------------------------------------------------------------- /springboot_logstash/src/main/resources/logback-spring.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 127.0.0.1:4560 7 | 8 | 10 | 11 | 12 | UTC 13 | 14 | 15 | 16 | { 17 | "logLevel": "%level", 18 | "serviceName": "${springAppName:-}", 19 | "pid": "${PID:-}", 20 | "thread": "%thread", 21 | "class": "%logger{40}", 22 | "rest": "%message" 23 | } 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | -------------------------------------------------------------------------------- /kafka-example-imooc/src/main/java/com/imooc/kafka/producer/SimpleProducer.java: -------------------------------------------------------------------------------- 1 | package com.imooc.kafka.producer; 2 | 3 | import com.imooc.kafka.common.MessageEntity; 4 | import org.apache.kafka.clients.producer.ProducerRecord; 5 | import org.springframework.beans.factory.annotation.Autowired; 6 | import org.springframework.beans.factory.annotation.Qualifier; 7 | import org.springframework.kafka.core.KafkaTemplate; 8 | import org.springframework.kafka.support.SendResult; 9 | import org.springframework.stereotype.Component; 10 | import org.springframework.util.concurrent.ListenableFuture; 11 | 12 | @Component 13 | public class SimpleProducer { 14 | 15 | @Autowired 16 | @Qualifier("kafkaTemplate") 17 | private KafkaTemplate kafkaTemplate; 18 | 19 | public void send(String topic, MessageEntity message) { 20 | kafkaTemplate.send(topic, message); 21 | } 22 | 23 | public void send(String topic, String key, MessageEntity entity) { 24 | ProducerRecord record = new ProducerRecord<>( 25 | topic, 26 | key, 27 | entity); 28 | 29 | long startTime = System.currentTimeMillis(); 30 | 31 | ListenableFuture> future = kafkaTemplate.send(record); 32 | future.addCallback(new ProducerCallback(startTime, key, entity)); 33 | } 34 | } 35 | -------------------------------------------------------------------------------- /jms-spring/src/main/resources/common.xml: -------------------------------------------------------------------------------- 1 | 2 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /spring-boot-mail/src/main/java/com/gaohanghang/mail/service/IMailService.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.mail.service; 2 | 3 | import com.gaohanghang.mail.common.model.Email; 4 | import com.gaohanghang.mail.common.model.Result; 5 | 6 | /** 7 | * @Description: 8 | * @author: Gao Hang Hang 9 | * @date 2019/01/29 11:46 10 | */ 11 | public interface IMailService { 12 | /** 13 | * 纯文本 14 | * @param email 15 | * @throws Exception 16 | */ 17 | public void send(Email email) throws Exception; 18 | 19 | /** 20 | * 富文本 21 | * @param mail 22 | * @throws Exception 23 | */ 24 | public void sendHtml(Email mail) throws Exception; 25 | 26 | /** 27 | * 模版发送 freemarker 28 | * @param mail 29 | * @throws Exception 30 | */ 31 | public void sendFreemarker(Email mail) throws Exception; 32 | 33 | /** 34 | * 模版发送 thymeleaf(弃用、需要配合模板) 35 | * @param mail 36 | * @throws Exception 37 | */ 38 | public void sendThymeleaf(Email mail) throws Exception; 39 | 40 | /** 41 | * 队列 42 | * @param mail 43 | * @throws Exception 44 | */ 45 | public void sendQueue(Email mail) throws Exception; 46 | 47 | /** 48 | * Redis 队列 49 | * @param mail 50 | * @throws Exception 51 | */ 52 | public void sendRedisQueue(Email mail) throws Exception; 53 | 54 | public Result listMail(Email mail); 55 | } 56 | -------------------------------------------------------------------------------- /spring-boot-miaosha/src/main/java/com/imooc/miaosha/result/Result.java: -------------------------------------------------------------------------------- 1 | package com.imooc.miaosha.result; 2 | 3 | public class Result { 4 | 5 | private int code; 6 | private String msg; 7 | private T data; 8 | 9 | public Result(T data) { 10 | this.data = data; 11 | } 12 | 13 | private Result(int code, String msg) { 14 | this.code = code; 15 | this.msg = msg; 16 | } 17 | 18 | private Result(CodeMsg codeMsg) { 19 | if(codeMsg != null) { 20 | this.code = codeMsg.getCode(); 21 | this.msg = codeMsg.getMsg(); 22 | } 23 | } 24 | 25 | 26 | /** 27 | * 成功时候的调用 28 | * */ 29 | public static Result success(T data) { 30 | return new Result(data); 31 | } 32 | 33 | /** 34 | * 失败时候的调用 35 | * */ 36 | public static Result error(CodeMsg codeMsg) { 37 | return new Result(codeMsg); 38 | } 39 | 40 | 41 | public int getCode() { 42 | return code; 43 | } 44 | public void setCode(int code) { 45 | this.code = code; 46 | } 47 | public String getMsg() { 48 | return msg; 49 | } 50 | public void setMsg(String msg) { 51 | this.msg = msg; 52 | } 53 | public T getData() { 54 | return data; 55 | } 56 | public void setData(T data) { 57 | this.data = data; 58 | } 59 | } 60 | -------------------------------------------------------------------------------- /socket-study/src/Server.java: -------------------------------------------------------------------------------- 1 | import java.io.*; 2 | import java.net.InetAddress; 3 | import java.net.ServerSocket; 4 | import java.net.Socket; 5 | 6 | /** 7 | * 基于TCP协议的Socket通信，实现用户登录 8 | * 服务器端 9 | * @Description: 10 | * @author: Gao Hang Hang 11 | * @date 2019/02/09 00:01 12 | */ 13 | public class Server { 14 | public static void main(String[] args) { 15 | try { 16 | // 1.创建一个服务器端Socket，即ServerSocket，指定绑定的端口，并监听此端口 17 | ServerSocket serverSocket = new ServerSocket(8888); 18 | // 2.调用accept()方法开始监听，等待客户端的连接 19 | Socket socket = null; 20 | // 记录客户端的数量 21 | int count = 0; 22 | System.out.println("***服务器即将启动，等待客户端的连接***"); 23 | // 循环监听等待客户端的连接 24 | while (true) { 25 | // 调用accept()方法开始监听，等地啊客户端的连接 26 | socket = serverSocket.accept(); 27 | // 创建一个线程 28 | ServerThread serverThread = new ServerThread(socket); 29 | // 启动线程 30 | serverThread.start(); 31 | 32 | count++;//统计客户端的数量 33 | System.out.println("客户端的数量：" + count); 34 | InetAddress address = socket.getInetAddress(); 35 | System.out.println("当前客户端的IP：" + address.getHostAddress()); 36 | } 37 | } catch (IOException e) { 38 | e.printStackTrace(); 39 | } 40 | } 41 | } 42 | -------------------------------------------------------------------------------- /spring-boot-mail/src/main/java/com/gaohanghang/mail/common/api/SwaggerConfig.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.mail.common.api; 2 | 3 | import org.springframework.context.annotation.Configuration; 4 | import springfox.documentation.builders.ApiInfoBuilder; 5 | import springfox.documentation.builders.PathSelectors; 6 | import springfox.documentation.builders.RequestHandlerSelectors; 7 | import springfox.documentation.service.ApiInfo; 8 | import springfox.documentation.service.Contact; 9 | import springfox.documentation.spi.DocumentationType; 10 | import springfox.documentation.spring.web.plugins.Docket; 11 | import springfox.documentation.swagger2.annotations.EnableSwagger2; 12 | 13 | /** 14 | * @Description: 15 | * @author: Gao Hang Hang 16 | * @date 2019/01/26 21:46 17 | */ 18 | @Configuration 19 | @EnableSwagger2 20 | public class SwaggerConfig { 21 | public Docket mailApi() { 22 | return new Docket(DocumentationType.SWAGGER_2).groupName("邮件管理").apiInfo(apiInfo()).select() 23 | .apis(RequestHandlerSelectors.basePackage("com.gaohanghang.mail.web")).paths(PathSelectors.any()).build(); 24 | } 25 | 26 | // 预览地址:swagger-ui.html 27 | private ApiInfo apiInfo() { 28 | return new ApiInfoBuilder().title("Spring 中使用Swagger2构建文档").termsOfServiceUrl("http://ghang.top") 29 | .contact(new Contact("高行行", "http://ghang.top", "1341947277@qq.com")).version("1.2").build(); 30 | } 31 | } 32 | -------------------------------------------------------------------------------- /spring-boot-mail/src/main/java/com/gaohanghang/mail/common/model/Result.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.mail.common.model; 2 | 3 | import java.util.HashMap; 4 | import java.util.Map; 5 | 6 | /** 7 | * @Description: 8 | * @author: Gao Hang Hang 9 | * @date 2019/01/26 22:14 10 | */ 11 | public class Result extends HashMap { 12 | 13 | private static final long serialVersionUID = 1L; 14 | 15 | public Result() { 16 | put("code", 0); 17 | } 18 | 19 | public static Result error() { 20 | return error(500, "未知异常，请联系管理员"); 21 | } 22 | 23 | public static Result error(String msg) { 24 | return error(500, msg); 25 | } 26 | 27 | public static Result error(int code, String msg) { 28 | Result r = new Result(); 29 | r.put("code", code); 30 | r.put("msg", msg); 31 | return r; 32 | } 33 | 34 | public static Result ok(Object msg) { 35 | Result r = new Result(); 36 | r.put("msg", msg); 37 | return r; 38 | } 39 | 40 | public static Result ok(Map map) { 41 | Result r = new Result(); 42 | r.putAll(map); 43 | return r; 44 | } 45 | 46 | public static Result ok() { 47 | return new Result(); 48 | } 49 | 50 | @Override 51 | public Object put(String key, Object value) { 52 | super.put(key, value); 53 | return this; 54 | } 55 | } 56 | -------------------------------------------------------------------------------- /spring-boot-manage-books/src/main/resources/templates/login.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 图书管理系统 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
13 |
14 | 23 |
24 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /spring-boot-miaosha/src/main/java/com/imooc/miaosha/controller/SampleController.java: -------------------------------------------------------------------------------- 1 | package com.imooc.miaosha.controller; 2 | 3 | import com.imooc.miaosha.domain.User; 4 | import com.imooc.miaosha.result.Result; 5 | import com.imooc.miaosha.service.UserService; 6 | import org.springframework.beans.factory.annotation.Autowired; 7 | import org.springframework.stereotype.Controller; 8 | import org.springframework.ui.Model; 9 | import org.springframework.web.bind.annotation.RequestMapping; 10 | import org.springframework.web.bind.annotation.ResponseBody; 11 | 12 | @Controller 13 | @RequestMapping("/demo") 14 | public class SampleController { 15 | 16 | @Autowired 17 | UserService userService; 18 | 19 | @RequestMapping("/hello") 20 | @ResponseBody 21 | public Result home() { 22 | return Result.success("Hello , world"); 23 | } 24 | 25 | @RequestMapping("/thymeleaf") 26 | public String thymeleaf(Model model) { 27 | model.addAttribute("name", "Joshua"); 28 | return "hello"; 29 | } 30 | 31 | @RequestMapping("/db/get") 32 | @ResponseBody 33 | public Result dbGet() { 34 | User user = userService.getById(1); 35 | return Result.success(user); 36 | } 37 | 38 | @RequestMapping("/db/tx") 39 | @ResponseBody 40 | public Result dbTx() { 41 | userService.tx(); 42 | return Result.success(true); 43 | } 44 | } 45 | -------------------------------------------------------------------------------- /project-common/src/main/java/entity/Result.java: -------------------------------------------------------------------------------- 1 | package entity; 2 | 3 | /** 4 | * @Description: 5 | * @author: Gao Hang Hang 6 | * @date 2019/01/09 19:32 7 | */ 8 | public class Result { 9 | private boolean flag; 10 | private Integer code; 11 | private String message; 12 | private Object data; 13 | 14 | public Result() { 15 | } 16 | 17 | public Result(boolean flag, Integer code, String message) { 18 | this.flag = flag; 19 | this.code = code; 20 | this.message = message; 21 | } 22 | 23 | public Result(boolean flag, Integer code, String message, Object data) { 24 | this.flag = flag; 25 | this.code = code; 26 | this.message = message; 27 | this.data = data; 28 | } 29 | 30 | public boolean isFlag() { 31 | return flag; 32 | } 33 | 34 | public void setFlag(boolean flag) { 35 | this.flag = flag; 36 | } 37 | 38 | public Integer getCode() { 39 | return code; 40 | } 41 | 42 | public void setCode(Integer code) { 43 | this.code = code; 44 | } 45 | 46 | public String getMessage() { 47 | return message; 48 | } 49 | 50 | public void setMessage(String message) { 51 | this.message = message; 52 | } 53 | 54 | public Object getData() { 55 | return data; 56 | } 57 | 58 | public void setData(Object data) { 59 | this.data = data; 60 | } 61 | } 62 | -------------------------------------------------------------------------------- /spring-boot-gephi/src/main/java/com/gaohanghang/springbootgephi/jsonexporter/model/GraphEdge.java: -------------------------------------------------------------------------------- 1 | /* 2 | * To change this template, choose Tools | Templates 3 | * and open the template in the editor. 4 | */ 5 | package com.gaohanghang.springbootgephi.jsonexporter.model; 6 | 7 | public class GraphEdge extends GraphElement { 8 | 9 | 10 | private String label; 11 | private String from; 12 | private String to; 13 | private String id; 14 | private Color color; 15 | 16 | public GraphEdge(String id) { 17 | super(); 18 | this.id = id; 19 | label = ""; 20 | from = ""; 21 | to = ""; 22 | } 23 | 24 | public String getLabel() { 25 | return label; 26 | } 27 | 28 | public void setLabel(String label) { 29 | this.label = label; 30 | } 31 | 32 | public String getFrom() { 33 | return from; 34 | } 35 | 36 | public void setFrom(String from) { 37 | this.from = from; 38 | } 39 | 40 | public String getTo() { 41 | return to; 42 | } 43 | 44 | public void setTo(String to) { 45 | this.to = to; 46 | } 47 | 48 | public String getId() { 49 | return id; 50 | } 51 | 52 | public void setId(String id) { 53 | this.id = id; 54 | } 55 | 56 | public Color getColor() { 57 | return color; 58 | } 59 | 60 | public void setColor(Color color) { 61 | this.color = color; 62 | } 63 | } 64 | -------------------------------------------------------------------------------- /spring-boot-mail/src/main/java/com/gaohanghang/mail/common/queue/MailQueue.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.mail.common.queue; 2 | 3 | import com.gaohanghang.mail.common.model.Email; 4 | 5 | import java.util.concurrent.BlockingDeque; 6 | import java.util.concurrent.LinkedBlockingDeque; 7 | 8 | /** 9 | * @Description: 邮件队列 10 | * @author: Gao Hang Hang 11 | * @date 2019/01/29 01:05 12 | */ 13 | public class MailQueue { 14 | // 队列项目 15 | static final int QUEUE_MAX_SIZE = 1000; 16 | 17 | static BlockingDeque blockingDeque = new LinkedBlockingDeque<>(); 18 | 19 | /** 20 | * 私有的默认构造器，保证外界无法直接实例化 21 | */ 22 | private MailQueue() {} 23 | 24 | // 单例队列 25 | public static MailQueue getMailQueue() { 26 | return SingletonHolder.queue; 27 | } 28 | 29 | // 生成入队 30 | public void produce(Email mail) throws InterruptedException { 31 | blockingDeque.put(mail); 32 | } 33 | 34 | // 消费出队 35 | public Email consume() throws InterruptedException { 36 | return blockingDeque.take(); 37 | } 38 | 39 | // 获取队列大小 40 | public int size() { 41 | return blockingDeque.size(); 42 | } 43 | 44 | /** 45 | * 类级的内部类，也就是静态的成员式内部类，该内部类的实例与外部类的实例 46 | * 没有绑定关系，而且只有被调用到才会装载，从而实现了延迟加载 47 | */ 48 | private static class SingletonHolder{ 49 | /** 50 | * 静态初始化器，由JVM来保证线程安全 51 | */ 52 | private static MailQueue queue = new MailQueue(); 53 | } 54 | } 55 | -------------------------------------------------------------------------------- /spring-boot-gephi/src/main/java/com/gaohanghang/springbootgephi/entity/Nodes.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootgephi.entity; 2 | 3 | import lombok.Data; 4 | import lombok.Getter; 5 | import lombok.Setter; 6 | import lombok.ToString; 7 | 8 | import javax.persistence.Entity; 9 | import javax.persistence.GeneratedValue; 10 | import javax.persistence.Id; 11 | import javax.persistence.Table; 12 | import java.io.Serializable; 13 | 14 | @Entity 15 | @Data 16 | @Table(name="nodes") 17 | @Getter 18 | @Setter 19 | @ToString 20 | public class Nodes implements Serializable { 21 | private static final long serialVersionUID = 1L; 22 | @Id 23 | @GeneratedValue 24 | /** 25 | * id 26 | */ 27 | private String id; 28 | 29 | /** 30 | * node_id 31 | */ 32 | private Integer nodeId; 33 | 34 | /** 35 | * label 36 | */ 37 | private String label; 38 | 39 | /** 40 | * size 41 | */ 42 | private String size; 43 | 44 | /** 45 | * url 46 | */ 47 | private String url; 48 | 49 | /** 50 | * x 51 | */ 52 | private Float x; 53 | 54 | /** 55 | * y 56 | */ 57 | private Float y; 58 | 59 | /** 60 | * group 61 | */ 62 | private String group; 63 | 64 | /** 65 | * color 66 | */ 67 | private String color; 68 | 69 | /** 70 | * attributes 71 | */ 72 | private String attributes; 73 | 74 | public Nodes() { 75 | } 76 | 77 | } -------------------------------------------------------------------------------- /spring-boot-easy-excel-demo/src/main/java/com/gaohanghang/easyexceldemo/entity/User.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.easyexceldemo.entity; 2 | 3 | import com.alibaba.excel.annotation.ExcelProperty; 4 | import com.alibaba.excel.metadata.BaseRowModel; 5 | 6 | import javax.persistence.Entity; 7 | import javax.persistence.Id; 8 | import javax.persistence.Table; 9 | 10 | /** 11 | * @Description: 12 | * @author: Gao Hang Hang 13 | * @date 2019/01/28 15:36 14 | */ 15 | @Entity 16 | @Table(name = "user") 17 | public class User extends BaseRowModel { 18 | 19 | @Id 20 | @ExcelProperty(index = 0) 21 | private String id; 22 | @ExcelProperty(index = 1) 23 | private String name; 24 | @ExcelProperty(index = 2) 25 | private String age; 26 | 27 | public String getId() { 28 | return id; 29 | } 30 | 31 | public void setId(String id) { 32 | this.id = id; 33 | } 34 | 35 | public String getName() { 36 | return name; 37 | } 38 | 39 | public void setName(String name) { 40 | this.name = name; 41 | } 42 | 43 | public String getAge() { 44 | return age; 45 | } 46 | 47 | public void setAge(String age) { 48 | this.age = age; 49 | } 50 | 51 | @Override 52 | public String toString() { 53 | return "User{" + 54 | "id='" + id + '\'' + 55 | ", name='" + name + '\'' + 56 | ", age='" + age + '\'' + 57 | '}'; 58 | } 59 | } 60 | -------------------------------------------------------------------------------- /spring-boot-gephi/src/main/java/com/gaohanghang/springbootgephi/entity/Result.java: -------------------------------------------------------------------------------- 1 | package com.gaohanghang.springbootgephi.entity; 2 | 3 | /** 4 | * @Description: 5 | * @author: Gao Hang Hang 6 | * @date 2019/01/09 19:32 7 | */ 8 | public class Result { 9 | private boolean flag; 10 | private Integer code; 11 | private String message; 12 | private Object data; 13 | 14 | public Result() { 15 | } 16 | 17 | public Result(boolean flag, Integer code, String message) { 18 | this.flag = flag; 19 | this.code = code; 20 | this.message = message; 21 | } 22 | 23 | public Result(boolean flag, Integer code, String message, Object data) { 24 | this.flag = flag; 25 | this.code = code; 26 | this.message = message; 27 | this.data = data; 28 | } 29 | 30 | public boolean isFlag() { 31 | return flag; 32 | } 33 | 34 | public void setFlag(boolean flag) { 35 | this.flag = flag; 36 | } 37 | 38 | public Integer getCode() { 39 | return code; 40 | } 41 | 42 | public void setCode(Integer code) { 43 | this.code = code; 44 | } 45 | 46 | public String getMessage() { 47 | return message; 48 | } 49 | 50 | public void setMessage(String message) { 51 | this.message = message; 52 | } 53 | 54 | public Object getData() { 55 | return data; 56 | } 57 | 58 | public void setData(Object data) { 59 | this.data = data; 60 | } 61 | } 62 | -------------------------------------------------------------------------------- /jms-test/src/main/java/com/imooc/queue/AppProducter.java: -------------------------------------------------------------------------------- 1 | package com.imooc.queue; 2 | 3 | import org.apache.activemq.ActiveMQConnectionFactory; 4 | import javax.jms.*; 5 | 6 | /** 7 | * @Description: 8 | * @author: Gao Hang Hang 9 | * @date 2019/02/09 19:43 10 | */ 11 | public class AppProducter { 12 | 13 | private static final String url = "tcp://localhost:61616"; 14 | private static final String queueName = "queue-test"; 15 | 16 | public static void main(String[] args) throws JMSException { 17 | 18 | // 1.创建ConnectionFactory 19 | ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(url); 20 | 21 | // 2.创建Connection 22 | Connection connection = connectionFactory.createConnection(); 23 | 24 | // 3.启动连接 25 | connection.start(); 26 | 27 | // 4.创建会话 28 | Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); 29 | 30 | // 5.创建一个目标 31 | Destination destination = session.createQueue(queueName); 32 | 33 | // 6.创建一个生产者 34 | MessageProducer producer = session.createProducer(destination); 35 | 36 | for (int i = 0; i < 100; i++) { 37 | // 7.创建消息 38 | TextMessage textMessage = session.createTextMessage("test" + i); 39 | // 8.发布消息 40 | producer.send(textMessage); 41 | 42 | System.out.println("发送消息" + textMessage.getText()); 43 | } 44 | 45 | // 9.关闭连接 46 | connection.close(); 47 | } 48 | } 49 | -------------------------------------------------------------------------------- /jms-test/src/main/java/com/imooc/topic/AppProducter.java: -------------------------------------------------------------------------------- 1 | package com.imooc.topic; 2 | 3 | import org.apache.activemq.ActiveMQConnectionFactory; 4 | 5 | import javax.jms.*; 6 | 7 | /** 8 | * @Description: 9 | * @author: Gao Hang Hang 10 | * @date 2019/02/09 19:43 11 | */ 12 | public class AppProducter { 13 | 14 | private static final String url = "tcp://localhost:61616"; 15 | private static final String topicName = "topic-test"; 16 | 17 | public static void main(String[] args) throws JMSException { 18 | 19 | // 1.创建ConnectionFactory 20 | ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(url); 21 | 22 | // 2.创建Connection 23 | Connection connection = connectionFactory.createConnection(); 24 | 25 | // 3.启动连接 26 | connection.start(); 27 | 28 | // 4.创建会话 29 | Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); 30 | 31 | // 5.创建一个目标 32 | Destination destination = session.createTopic(topicName); 33 | 34 | // 6.创建一个生产者 35 | MessageProducer producer = session.createProducer(destination); 36 | 37 | for (int i = 0; i < 100; i++) { 38 | // 7.创建消息 39 | TextMessage textMessage = session.createTextMessage("test" + i); 40 | // 8.发布消息 41 | producer.send(textMessage); 42 | 43 | System.out.println("发送消息" + textMessage.getText()); 44 | } 45 | 46 | // 9.关闭连接 47 | connection.close(); 48 | } 49 | } 50 | -------------------------------------------------------------------------------- /socket-study/src/UDPServer.java: -------------------------------------------------------------------------------- 1 | import java.io.IOException; 2 | import java.net.DatagramPacket; 3 | import java.net.DatagramSocket; 4 | import java.net.InetAddress; 5 | import java.net.SocketException; 6 | 7 | /** 8 | * @Description: 服务器端，实现基于UDP的用户登录 9 | * @author: Gao Hang Hang 10 | * @date 2019/02/09 00:51 11 | */ 12 | public class UDPServer { 13 | public static void main(String[] args) throws IOException { 14 | /** 15 | * 接收客户端发送的数据 16 | */ 17 | // 1.创建服务器端DatagramSocket，指定端口 18 | DatagramSocket socket = new DatagramSocket(8800); 19 | // 2.创建数据报，用于接收客户端发送的数据 20 | byte[] data = new byte[1024];//创建字节数组，指定接收的数据包的大小 21 | DatagramPacket packet = new DatagramPacket(data, data.length); 22 | // 3.接收客户端发送的数据 23 | System.out.println("***服务器端已经启动，等待客户端发送的数据***"); 24 | socket.receive(packet);//此方法在接收到数据报之前会一直阻塞 25 | // 4.读取数据 26 | String info = new String(data, 0, packet.getLength()); 27 | System.out.println("我是服务器，客户端说：" + info); 28 | 29 | /** 30 | * 向客户端响应数据 31 | */ 32 | // 1.定义客户端的地址、端口号、数据 33 | InetAddress address = packet.getAddress(); 34 | int port = packet.getPort(); 35 | byte[] data2 = "欢迎您！".getBytes(); 36 | // 2.创建数据报，包含响应的数据信息 37 | DatagramPacket packet2 = new DatagramPacket(data2, data2.length, address, port); 38 | // 3.响应客户端 39 | socket.send(packet2); 40 | // 4.关闭资源 41 | socket.close(); 42 | } 43 | } 44 | --------------------------------------------------------------------------------