├── .gitignore
├── README.md
├── pom.xml
└── src
    └── main
        ├── java
            └── com
            │   └── example
            │       └── demo
            │           ├── DemoApplication.java
            │           ├── annotation
            │               └── DisableBaseResponse.java
            │           ├── config
            │               └── CorsConfiguration.java
            │           ├── constant
            │               └── ArticleType.java
            │           ├── controller
            │               ├── ArticleController.java
            │               ├── CommentController.java
            │               ├── FileController.java
            │               ├── UserController.java
            │               └── VideoController.java
            │           ├── handler
            │               ├── GlobalExceptionHandler.java
            │               └── GlobalResponseHandler.java
            │           ├── mapper
            │               ├── ArticleMapper.java
            │               ├── CommentMapper.java
            │               ├── ImageMapper.java
            │               ├── UserMapper.java
            │               └── VideoMapper.java
            │           ├── model
            │               ├── entity
            │               │   ├── Article.java
            │               │   ├── Comment.java
            │               │   ├── Image.java
            │               │   ├── User.java
            │               │   └── Video.java
            │               ├── support
            │               │   └── ResponseResult.java
            │               └── vo
            │               │   ├── ArticleVo.java
            │               │   ├── CommentVo.java
            │               │   └── UserVo.java
            │           ├── service
            │               ├── ArticleService.java
            │               ├── CommentService.java
            │               ├── ImageService.java
            │               ├── UserService.java
            │               ├── VideoService.java
            │               └── impl
            │               │   ├── ArticleServiceImpl.java
            │               │   ├── CommentServiceImpl.java
            │               │   ├── ImageServiceImpl.java
            │               │   ├── UserServiceImpl.java
            │               │   └── VideoServiceImpl.java
            │           └── utils
            │               └── DataTimeUtil.java
        └── resources
            ├── application.yaml
            └── sql
                └── table.sql


/.gitignore:
--------------------------------------------------------------------------------
 1 | HELP.md
 2 | target/
 3 | !.mvn/wrapper/maven-wrapper.jar
 4 | !**/src/main/**/target/
 5 | !**/src/test/**/target/
 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 | !**/src/main/**/build/
30 | !**/src/test/**/build/
31 | 
32 | ### VS Code ###
33 | .vscode/
34 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
 1 | ### 知识社区 - 知否
 2 | 
 3 | #### 前端仓库地址 https://github.com/soanr/know-app
 4 | 
 5 | - SpringBoot + Vue 的前后端分离项目
 6 | 
 7 | - Vant移动ui库
 8 | 
 9 | #### 需要修改的地方
10 | 
11 | - application.yaml的数据库相关配置
12 | 
13 | - 数据库SQL resources/sql/table.sql
14 | 
15 | - videoSavePath为保存在本地的路径


--------------------------------------------------------------------------------
/pom.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 3 |          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 4 |     <modelVersion>4.0.0</modelVersion>
 5 |     <parent>
 6 |         <groupId>org.springframework.boot</groupId>
 7 |         <artifactId>spring-boot-starter-parent</artifactId>
 8 |         <version>2.4.4</version>
 9 |         <relativePath/> <!-- lookup parent from repository -->
10 |     </parent>
11 |     <groupId>com.example</groupId>
12 |     <artifactId>demo</artifactId>
13 |     <version>0.0.1-SNAPSHOT</version>
14 |     <properties>
15 |         <java.version>11</java.version>
16 |     </properties>
17 | 
18 |     <dependencies>
19 | 
20 |         <dependency>
21 |             <groupId>org.springframework.boot</groupId>
22 |             <artifactId>spring-boot-starter-web</artifactId>
23 |         </dependency>
24 | 
25 |         <dependency>
26 |             <groupId>com.alibaba</groupId>
27 |             <artifactId>fastjson</artifactId>
28 |             <version>1.2.73</version>
29 |         </dependency>
30 | 
31 |         <dependency>
32 |             <groupId>com.baomidou</groupId>
33 |             <artifactId>mybatis-plus-boot-starter</artifactId>
34 |             <version>3.4.2</version>
35 |         </dependency>
36 | 
37 |         <dependency>
38 |             <groupId>mysql</groupId>
39 |             <artifactId>mysql-connector-java</artifactId>
40 |             <scope>runtime</scope>
41 |         </dependency>
42 | 
43 |         <dependency>
44 |             <groupId>org.projectlombok</groupId>
45 |             <artifactId>lombok</artifactId>
46 |             <optional>true</optional>
47 |         </dependency>
48 | 
49 |     </dependencies>
50 | 
51 |     <build>
52 |         <plugins>
53 |             <plugin>
54 |                 <groupId>org.springframework.boot</groupId>
55 |                 <artifactId>spring-boot-maven-plugin</artifactId>
56 |                 <configuration>
57 |                     <excludes>
58 |                         <exclude>
59 |                             <groupId>org.projectlombok</groupId>
60 |                             <artifactId>lombok</artifactId>
61 |                         </exclude>
62 |                     </excludes>
63 |                 </configuration>
64 |             </plugin>
65 |         </plugins>
66 |     </build>
67 | 
68 | </project>
69 | 


--------------------------------------------------------------------------------
/src/main/java/com/example/demo/DemoApplication.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo;
 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 | 


--------------------------------------------------------------------------------
/src/main/java/com/example/demo/annotation/DisableBaseResponse.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.annotation;
 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 |  * 作用: 不需要GlobalResponseHandler统一拦截返回JSON的方法
10 |  * 例如: 获取二进制图片 Response需要写入文件流 不需要返回json
11 |  */
12 | @Target(ElementType.METHOD)
13 | @Retention(RetentionPolicy.RUNTIME)
14 | public @interface DisableBaseResponse {
15 | }
16 | 


--------------------------------------------------------------------------------
/src/main/java/com/example/demo/config/CorsConfiguration.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.config;
 2 | 
 3 | import org.springframework.context.annotation.Configuration;
 4 | import org.springframework.web.servlet.config.annotation.CorsRegistry;
 5 | import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
 6 | 
 7 | @Configuration
 8 | public class CorsConfiguration extends WebMvcConfigurationSupport {
 9 | 
10 |     @Override
11 |     protected void addCorsMappings(CorsRegistry registry) {
12 |         registry.addMapping("/**")
13 |                 .allowedHeaders("*")
14 |                 .allowedMethods("*")
15 |                 .allowedOrigins("*");
16 |         super.addCorsMappings(registry);
17 |     }
18 | 
19 | }
20 | 


--------------------------------------------------------------------------------
/src/main/java/com/example/demo/constant/ArticleType.java:
--------------------------------------------------------------------------------
1 | package com.example.demo.constant;
2 | 
3 | public final class ArticleType {
4 | 
5 |     public static final String[] list = {"机器学习", "计算机", "工学", "农学", "物理", "高数", "哲学", "其他"};
6 | 
7 | }
8 | 


--------------------------------------------------------------------------------
/src/main/java/com/example/demo/controller/ArticleController.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.controller;
 2 | 
 3 | import com.example.demo.constant.ArticleType;
 4 | import com.example.demo.model.entity.Article;
 5 | import com.example.demo.model.vo.ArticleVo;
 6 | import com.example.demo.service.ArticleService;
 7 | import org.springframework.web.bind.annotation.*;
 8 | 
 9 | import javax.annotation.Resource;
10 | import java.util.List;
11 | 
12 | @RestController
13 | @RequestMapping("/api/article")
14 | public class ArticleController {
15 | 
16 |     @Resource
17 |     private ArticleService articleService;
18 | 
19 |     @GetMapping("/type/all")
20 |     public String[] findAllType() {
21 |         return ArticleType.list;
22 |     }
23 | 
24 |     @GetMapping("/agree/{id}")
25 |     public void agree(@PathVariable String id) {
26 |         articleService.agree(id);
27 |     }
28 | 
29 |     @GetMapping("/search/{value}")
30 |     public List<ArticleVo> search(@PathVariable String value) {
31 |         return articleService.search(value);
32 |     }
33 | 
34 |     @PostMapping("")
35 |     public Article save(@RequestBody Article article) {
36 |         return articleService.save(article);
37 |     }
38 | 
39 |     @GetMapping("")
40 |     public List<ArticleVo> findAll(String type) {
41 |         return articleService.findAll(type);
42 |     }
43 | 
44 |     @GetMapping("/{id}")
45 |     public ArticleVo findById(@PathVariable String id) {
46 |         return articleService.findById(id);
47 |     }
48 | 
49 | }
50 | 


--------------------------------------------------------------------------------
/src/main/java/com/example/demo/controller/CommentController.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.controller;
 2 | 
 3 | import com.example.demo.model.entity.Comment;
 4 | import com.example.demo.model.vo.CommentVo;
 5 | import com.example.demo.service.CommentService;
 6 | import org.springframework.web.bind.annotation.*;
 7 | 
 8 | import javax.annotation.Resource;
 9 | import java.util.List;
10 | 
11 | @RestController
12 | @RequestMapping("/api/comment")
13 | public class CommentController {
14 | 
15 |     @Resource
16 |     private CommentService commentService;
17 | 
18 |     @PostMapping("")
19 |     public CommentVo save(@RequestBody Comment comment) {
20 |         return commentService.save(comment);
21 |     }
22 | 
23 |     @GetMapping("/article/{id}")
24 |     public List<CommentVo> findByArticle(@PathVariable String id) {
25 |         return commentService.findByArticle(id);
26 |     }
27 | 
28 | }
29 | 


--------------------------------------------------------------------------------
/src/main/java/com/example/demo/controller/FileController.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.controller;
 2 | 
 3 | import com.example.demo.annotation.DisableBaseResponse;
 4 | import com.example.demo.model.entity.Image;
 5 | import com.example.demo.service.ImageService;
 6 | import org.springframework.beans.factory.annotation.Value;
 7 | import org.springframework.web.bind.annotation.*;
 8 | import org.springframework.web.multipart.MultipartFile;
 9 | 
10 | import javax.annotation.Resource;
11 | import javax.servlet.http.HttpServletResponse;
12 | import java.io.*;
13 | import java.util.UUID;
14 | 
15 | @RestController
16 | @RequestMapping("/api/file")
17 | public class FileController {
18 | 
19 |     @Resource
20 |     private ImageService imageService;
21 | 
22 |     @Value("${videoSavePath}")
23 |     private String savePath;
24 | 
25 |     /**
26 |      * 上传图片
27 |      *
28 |      * @param file 文件
29 |      * @return 文件id
30 |      * @throws Exception .
31 |      */
32 |     @PostMapping("/image")
33 |     @DisableBaseResponse
34 |     public String uploadImage(@RequestParam("file") MultipartFile file) throws Exception {
35 |         if (file == null || file.isEmpty()) throw new Exception("File cannot be empty");
36 |         return imageService.save(file);
37 |     }
38 | 
39 |     /**
40 |      * 获取图片 给前端展示
41 |      *
42 |      * @param id       文件id
43 |      * @param response .
44 |      * @throws Exception .
45 |      */
46 |     @GetMapping("/image/{id}")
47 |     public void getImage(@PathVariable String id, HttpServletResponse response) throws Exception {
48 |         Image image = imageService.findById(id);
49 |         if (image == null) return;
50 |         byte[] data = image.getData();
51 |         response.setContentType("image/jpeg");
52 |         response.setCharacterEncoding("UTF-8");
53 |         OutputStream outputStream = response.getOutputStream();
54 |         InputStream in = new ByteArrayInputStream(data);
55 |         int len;
56 |         byte[] buf = new byte[1024];
57 |         while ((len = in.read(buf, 0, 1024)) != -1) {
58 |             outputStream.write(buf, 0, len);
59 |         }
60 |         outputStream.close();
61 |     }
62 | 
63 |     @PostMapping("/video")
64 |     @DisableBaseResponse
65 |     public String uploadVideo(@RequestParam("file") MultipartFile file) throws IOException {
66 |         String id = UUID.randomUUID().toString();
67 |         file.transferTo(new File(savePath + "/" + id + ".mp4"));
68 |         return id;
69 |     }
70 | 
71 |     @GetMapping("/video/{id}")
72 |     @DisableBaseResponse
73 |     public void getVideo(@PathVariable String id, HttpServletResponse response) throws IOException {
74 |         String path = savePath + "/" + id + ".mp4";
75 |         FileInputStream fileInputStream = new FileInputStream(path);
76 |         byte[] data = new byte[fileInputStream.available()];
77 |         int i = fileInputStream.read(data);
78 |         response.setContentType("video/mp4");
79 |         response.setHeader("Content-Disposition", "attachment; filename=" + id + ".mp4");
80 |         response.setContentLength(data.length);
81 |         OutputStream os = response.getOutputStream();
82 |         os.write(data);
83 |         os.flush();
84 |         os.close();
85 |         fileInputStream.close();
86 |     }
87 | 
88 | }
89 | 


--------------------------------------------------------------------------------
/src/main/java/com/example/demo/controller/UserController.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.controller;
 2 | 
 3 | import com.example.demo.model.entity.User;
 4 | import com.example.demo.model.vo.UserVo;
 5 | import com.example.demo.service.UserService;
 6 | import org.springframework.web.bind.annotation.PostMapping;
 7 | import org.springframework.web.bind.annotation.RequestBody;
 8 | import org.springframework.web.bind.annotation.RequestMapping;
 9 | import org.springframework.web.bind.annotation.RestController;
10 | 
11 | import javax.annotation.Resource;
12 | 
13 | @RestController
14 | @RequestMapping("/api/user")
15 | public class UserController {
16 | 
17 |     @Resource
18 |     private UserService userService;
19 | 
20 |     @PostMapping("")
21 |     public void save(@RequestBody User user) throws Exception {
22 |         userService.save(user);
23 |     }
24 | 
25 |     @PostMapping("/login")
26 |     public UserVo login(@RequestBody User user) throws Exception{
27 |         return userService.login(user);
28 |     }
29 | 
30 | }
31 | 


--------------------------------------------------------------------------------
/src/main/java/com/example/demo/controller/VideoController.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.controller;
 2 | 
 3 | import com.example.demo.mapper.VideoMapper;
 4 | import com.example.demo.model.entity.Video;
 5 | import com.example.demo.service.VideoService;
 6 | import org.springframework.web.bind.annotation.*;
 7 | 
 8 | import javax.annotation.Resource;
 9 | import java.util.List;
10 | 
11 | @RestController
12 | @RequestMapping("/api/video")
13 | public class VideoController {
14 | 
15 |     @Resource
16 |     private VideoService videoService;
17 | 
18 |     @GetMapping("")
19 |     public List<Video> findAll() {
20 |         return videoService.findAll();
21 |     }
22 | 
23 |     @PostMapping("")
24 |     public void save(@RequestBody Video video) {
25 |         videoService.save(video);
26 |     }
27 | 
28 | }
29 | 


--------------------------------------------------------------------------------
/src/main/java/com/example/demo/handler/GlobalExceptionHandler.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.handler;
 2 | 
 3 | import com.example.demo.annotation.DisableBaseResponse;
 4 | import com.example.demo.model.support.ResponseResult;
 5 | import org.slf4j.Logger;
 6 | import org.slf4j.LoggerFactory;
 7 | import org.springframework.web.bind.annotation.ExceptionHandler;
 8 | import org.springframework.web.bind.annotation.ResponseBody;
 9 | import org.springframework.web.bind.annotation.RestControllerAdvice;
10 | 
11 | /**
12 |  * 捕获controller异常
13 |  * controller抛出异常执行下边的函数
14 |  * 返回Response写入ApiResult
15 |  */
16 | @ResponseBody
17 | @RestControllerAdvice
18 | public class GlobalExceptionHandler {
19 | 
20 |     private final Logger logger = LoggerFactory.getLogger(getClass());
21 | 
22 |     @ExceptionHandler(value = Exception.class)
23 |     @DisableBaseResponse
24 |     public Object handleException(Exception e) {
25 |         logger.error(e.getMessage());
26 |         return new ResponseResult<>(400, e.getMessage());
27 |     }
28 | 
29 | }
30 | 


--------------------------------------------------------------------------------
/src/main/java/com/example/demo/handler/GlobalResponseHandler.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.handler;
 2 | 
 3 | import com.example.demo.annotation.DisableBaseResponse;
 4 | import com.example.demo.model.support.ResponseResult;
 5 | import org.springframework.core.MethodParameter;
 6 | import org.springframework.http.MediaType;
 7 | import org.springframework.http.server.ServerHttpRequest;
 8 | import org.springframework.http.server.ServerHttpResponse;
 9 | import org.springframework.web.bind.annotation.ControllerAdvice;
10 | import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;
11 | 
12 | /**
13 |  * 统一拦截Controller中所有方法的返回值
14 |  * 封装后返回ResponseResult<T>
15 |  */
16 | @ControllerAdvice(basePackages = "com.example.demo")
17 | public class GlobalResponseHandler implements ResponseBodyAdvice<Object> {
18 | 
19 |     @Override
20 |     public boolean supports(MethodParameter methodParameter, Class c) {
21 |         //如果方法上带有DisableBaseResponse注解， 不处理返回false
22 |         return !methodParameter.hasMethodAnnotation(DisableBaseResponse.class);
23 |     }
24 | 
25 |     @Override
26 |     public ResponseResult<Object> beforeBodyWrite(Object o, MethodParameter methodParameter, MediaType mediaType, Class aClass,
27 |                                                   ServerHttpRequest serverHttpRequest, ServerHttpResponse serverHttpResponse) {
28 |         return o == null ? new ResponseResult<>() : new ResponseResult<>(o);
29 |     }
30 | 
31 | }
32 | 


--------------------------------------------------------------------------------
/src/main/java/com/example/demo/mapper/ArticleMapper.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.mapper;
 2 | 
 3 | import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 4 | import com.example.demo.model.entity.Article;
 5 | import org.apache.ibatis.annotations.Mapper;
 6 | 
 7 | @Mapper
 8 | public interface ArticleMapper extends BaseMapper<Article> {
 9 | }
10 | 


--------------------------------------------------------------------------------
/src/main/java/com/example/demo/mapper/CommentMapper.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.mapper;
 2 | 
 3 | import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 4 | import com.example.demo.model.entity.Comment;
 5 | import org.apache.ibatis.annotations.Mapper;
 6 | 
 7 | @Mapper
 8 | public interface CommentMapper extends BaseMapper<Comment> {
 9 | }
10 | 


--------------------------------------------------------------------------------
/src/main/java/com/example/demo/mapper/ImageMapper.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.mapper;
 2 | 
 3 | import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 4 | import com.example.demo.model.entity.Image;
 5 | import org.apache.ibatis.annotations.Mapper;
 6 | 
 7 | @Mapper
 8 | public interface ImageMapper extends BaseMapper<Image> {
 9 | }
10 | 


--------------------------------------------------------------------------------
/src/main/java/com/example/demo/mapper/UserMapper.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.mapper;
 2 | 
 3 | import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 4 | import com.example.demo.model.entity.User;
 5 | import org.apache.ibatis.annotations.Mapper;
 6 | 
 7 | @Mapper
 8 | public interface UserMapper extends BaseMapper<User> {
 9 | }
10 | 


--------------------------------------------------------------------------------
/src/main/java/com/example/demo/mapper/VideoMapper.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.mapper;
 2 | 
 3 | import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 4 | import com.example.demo.model.entity.Video;
 5 | import org.apache.ibatis.annotations.Mapper;
 6 | 
 7 | @Mapper
 8 | public interface VideoMapper extends BaseMapper<Video> {
 9 | }
10 | 


--------------------------------------------------------------------------------
/src/main/java/com/example/demo/model/entity/Article.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.model.entity;
 2 | 
 3 | import com.baomidou.mybatisplus.annotation.TableName;
 4 | import lombok.AllArgsConstructor;
 5 | import lombok.Data;
 6 | import lombok.NoArgsConstructor;
 7 | 
 8 | @Data
 9 | @TableName("t_article")
10 | @NoArgsConstructor
11 | @AllArgsConstructor
12 | public class Article {
13 | 
14 |     private String id;
15 | 
16 |     private String uid;
17 | 
18 |     private String title;
19 | 
20 |     //是否有封面图片
21 |     private boolean hasPoster;
22 | 
23 |     //类型
24 |     private String type;
25 | 
26 |     //封面图片id
27 |     private String poster;
28 | 
29 |     //内容
30 |     private String content;
31 | 
32 |     //点赞数
33 |     private Integer agreeCount;
34 | 
35 |     //评论数
36 |     private Integer commentCount;
37 | 
38 |     private String createAt;
39 | 
40 | }
41 | 


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/src/main/java/com/example/demo/model/entity/Comment.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.model.entity;
 2 | 
 3 | import com.baomidou.mybatisplus.annotation.TableName;
 4 | import lombok.AllArgsConstructor;
 5 | import lombok.Data;
 6 | import lombok.NoArgsConstructor;
 7 | 
 8 | @Data
 9 | @TableName("t_comment")
10 | @NoArgsConstructor
11 | @AllArgsConstructor
12 | public class Comment {
13 | 
14 |     private String id;
15 | 
16 |     //用户id
17 |     private String uid;
18 | 
19 |     //文章id
20 |     private String aid;
21 | 
22 |     private String content;
23 | 
24 |     private String createAt;
25 | 
26 | }
27 | 


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/src/main/java/com/example/demo/model/entity/Image.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.model.entity;
 2 | 
 3 | import com.baomidou.mybatisplus.annotation.TableName;
 4 | import lombok.AllArgsConstructor;
 5 | import lombok.Data;
 6 | import lombok.NoArgsConstructor;
 7 | 
 8 | @Data
 9 | @TableName("t_image")
10 | @NoArgsConstructor
11 | @AllArgsConstructor
12 | public class Image {
13 | 
14 |     private String id;
15 | 
16 |     private byte[] data;
17 | 
18 | }
19 | 


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/src/main/java/com/example/demo/model/entity/User.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.model.entity;
 2 | 
 3 | import com.baomidou.mybatisplus.annotation.TableName;
 4 | import lombok.AllArgsConstructor;
 5 | import lombok.Data;
 6 | import lombok.NoArgsConstructor;
 7 | 
 8 | @Data
 9 | @TableName("t_user")
10 | @NoArgsConstructor
11 | @AllArgsConstructor
12 | public class User {
13 | 
14 |     private String id;
15 | 
16 |     private String nickname;
17 | 
18 |     private String phone;
19 | 
20 |     private String password;
21 | 
22 |     //image id
23 |     private String avatar;
24 | 
25 |     private String school;
26 | 
27 |     private String createAt;
28 | 
29 | }
30 | 


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/src/main/java/com/example/demo/model/entity/Video.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.model.entity;
 2 | 
 3 | import com.baomidou.mybatisplus.annotation.TableName;
 4 | import lombok.AllArgsConstructor;
 5 | import lombok.Data;
 6 | import lombok.NoArgsConstructor;
 7 | 
 8 | @Data
 9 | @TableName("t_video")
10 | @NoArgsConstructor
11 | @AllArgsConstructor
12 | public class Video {
13 | 
14 |     private String id;
15 | 
16 |     private String uid;
17 | 
18 |     private String type;
19 | 
20 |     //文件id
21 |     private String fid;
22 | 
23 |     //标题
24 |     private String title;
25 | 
26 |     private String createAt;
27 | 
28 | }
29 | 


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/src/main/java/com/example/demo/model/support/ResponseResult.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.model.support;
 2 | 
 3 | import lombok.Data;
 4 | 
 5 | @Data
 6 | public class ResponseResult<T> {
 7 | 
 8 |     private Integer code;
 9 | 
10 |     private boolean status;
11 | 
12 |     private String message;
13 | 
14 |     private T data;
15 | 
16 |     public ResponseResult() {
17 |         this.code = 200;
18 |         this.status = true;
19 |         this.message = null;
20 |         this.data = null;
21 |     }
22 | 
23 |     //不附带msg返回数据
24 |     public ResponseResult(T data) {
25 |         this.code = 200;
26 |         this.status = true;
27 |         this.message = null;
28 |         this.data = data;
29 |     }
30 | 
31 |     //默认附带msg返回数据
32 |     public ResponseResult(String message, T data) {
33 |         this.code = 200;
34 |         this.status = true;
35 |         this.message = message;
36 |         this.data = data;
37 |     }
38 | 
39 |     //默认的错误返回
40 |     public ResponseResult(Integer code, String message) {
41 |         this.code = code;
42 |         this.status = false;
43 |         this.message = message;
44 |         this.data = null;
45 |     }
46 | 
47 | 
48 | }
49 | 


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/src/main/java/com/example/demo/model/vo/ArticleVo.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.model.vo;
 2 | 
 3 | import com.example.demo.model.entity.Article;
 4 | import com.example.demo.model.entity.User;
 5 | import lombok.AllArgsConstructor;
 6 | import lombok.Data;
 7 | import lombok.NoArgsConstructor;
 8 | 
 9 | @Data
10 | @AllArgsConstructor
11 | @NoArgsConstructor
12 | public class ArticleVo {
13 | 
14 |     private Article article;
15 | 
16 |     private User author;
17 | 
18 | }
19 | 


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/src/main/java/com/example/demo/model/vo/CommentVo.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.model.vo;
 2 | 
 3 | import com.example.demo.model.entity.Comment;
 4 | import com.example.demo.model.entity.User;
 5 | import lombok.AllArgsConstructor;
 6 | import lombok.Data;
 7 | import lombok.NoArgsConstructor;
 8 | 
 9 | @Data
10 | @AllArgsConstructor
11 | @NoArgsConstructor
12 | public class CommentVo {
13 | 
14 |     private Comment comment;
15 | 
16 |     private User user;
17 | 
18 | }
19 | 


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/src/main/java/com/example/demo/model/vo/UserVo.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.model.vo;
 2 | 
 3 | import lombok.Data;
 4 | 
 5 | @Data
 6 | public class UserVo {
 7 | 
 8 |     private String id;
 9 | 
10 |     private String nickname;
11 | 
12 |     //image id
13 |     private String avatar;
14 | 
15 |     private String school;
16 | 
17 |     private String createAt;
18 | 
19 |     private Integer articleCount;
20 | 
21 |     private Integer videoCount;
22 | 
23 |     private Integer commentCount;
24 | 
25 | }
26 | 


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/src/main/java/com/example/demo/service/ArticleService.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.service;
 2 | 
 3 | import com.example.demo.model.entity.Article;
 4 | import com.example.demo.model.vo.ArticleVo;
 5 | 
 6 | import java.util.List;
 7 | 
 8 | public interface ArticleService {
 9 | 
10 |     void agree(String id);
11 | 
12 |     Article save(Article article);
13 | 
14 |     List<ArticleVo> findAll(String type);
15 | 
16 |     List<ArticleVo> search(String value);
17 | 
18 |     ArticleVo findById(String id);
19 | 
20 | }
21 | 


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/src/main/java/com/example/demo/service/CommentService.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.service;
 2 | 
 3 | import com.example.demo.model.entity.Comment;
 4 | import com.example.demo.model.vo.CommentVo;
 5 | 
 6 | import java.util.List;
 7 | 
 8 | public interface CommentService {
 9 | 
10 |     CommentVo save(Comment comment);
11 | 
12 |     List<CommentVo> findByArticle(String articleId);
13 | 
14 | }
15 | 


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/src/main/java/com/example/demo/service/ImageService.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.service;
 2 | 
 3 | import com.example.demo.model.entity.Image;
 4 | import org.springframework.web.multipart.MultipartFile;
 5 | 
 6 | import java.io.IOException;
 7 | 
 8 | public interface ImageService {
 9 | 
10 |     String save(MultipartFile file) throws IOException;
11 | 
12 |     Image findById(String id);
13 | 
14 | }
15 | 


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/src/main/java/com/example/demo/service/UserService.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.service;
 2 | 
 3 | import com.example.demo.model.entity.User;
 4 | import com.example.demo.model.vo.UserVo;
 5 | 
 6 | public interface UserService {
 7 | 
 8 |     void save(User user) throws Exception;
 9 | 
10 |     UserVo login(User user) throws Exception;
11 | 
12 | }
13 | 


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/src/main/java/com/example/demo/service/VideoService.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.service;
 2 | 
 3 | import com.example.demo.model.entity.Video;
 4 | 
 5 | import java.util.List;
 6 | 
 7 | public interface VideoService {
 8 | 
 9 |     void save(Video video);
10 | 
11 |     List<Video> findAll();
12 | 
13 | }
14 | 


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/src/main/java/com/example/demo/service/impl/ArticleServiceImpl.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.service.impl;
 2 | 
 3 | import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 4 | import com.example.demo.mapper.ArticleMapper;
 5 | import com.example.demo.mapper.UserMapper;
 6 | import com.example.demo.model.entity.Article;
 7 | import com.example.demo.model.entity.User;
 8 | import com.example.demo.model.vo.ArticleVo;
 9 | import com.example.demo.service.ArticleService;
10 | import com.example.demo.utils.DataTimeUtil;
11 | import org.springframework.stereotype.Service;
12 | 
13 | import javax.annotation.Resource;
14 | import java.util.ArrayList;
15 | import java.util.List;
16 | import java.util.UUID;
17 | 
18 | @Service
19 | public class ArticleServiceImpl implements ArticleService {
20 | 
21 |     @Resource
22 |     private ArticleMapper articleMapper;
23 | 
24 |     @Resource
25 |     private UserMapper userMapper;
26 | 
27 |     @Override
28 |     public void agree(String id) {
29 |         Article article = articleMapper.selectById(id);
30 |         article.setAgreeCount(article.getAgreeCount() + 1);
31 |         articleMapper.updateById(article);
32 |     }
33 | 
34 |     @Override
35 |     public Article save(Article article) {
36 |         article.setAgreeCount(0);
37 |         article.setCommentCount(0);
38 |         article.setCreateAt(DataTimeUtil.getNowTimeString());
39 |         article.setId(UUID.randomUUID().toString());
40 |         articleMapper.insert(article);
41 |         return article;
42 |     }
43 | 
44 |     @Override
45 |     public List<ArticleVo> findAll(String type) {
46 |         QueryWrapper<Article> wrapper = new QueryWrapper<>();
47 |         if (!type.equals("all")) {
48 |             wrapper.in("type", type);
49 |         }
50 |         return assembly(wrapper);
51 |     }
52 | 
53 |     @Override
54 |     public List<ArticleVo> search(String value) {
55 |         QueryWrapper<Article> wrapper = new QueryWrapper<>();
56 |         wrapper.like("content", value).or().like("title", value);
57 |         return assembly(wrapper);
58 |     }
59 | 
60 |     @Override
61 |     public ArticleVo findById(String id) {
62 |         Article article = articleMapper.selectById(id);
63 |         User user = userMapper.selectById(article.getUid());
64 |         user.setPassword("");
65 |         user.setPhone("");
66 |         return new ArticleVo(article, user);
67 |     }
68 | 
69 |     private List<ArticleVo> assembly(QueryWrapper<Article> wrapper) {
70 |         List<Article> articles = articleMapper.selectList(wrapper);
71 |         List<ArticleVo> result = new ArrayList<>();
72 |         for (Article article : articles) {
73 |             User user = userMapper.selectById(article.getUid());
74 |             if (user != null) {
75 |                 user.setPassword("");
76 |                 user.setPhone("");
77 |                 result.add(new ArticleVo(article, user));
78 |             }
79 |         }
80 |         return result;
81 |     }
82 | 
83 | }
84 | 


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/src/main/java/com/example/demo/service/impl/CommentServiceImpl.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.service.impl;
 2 | 
 3 | import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 4 | import com.example.demo.mapper.ArticleMapper;
 5 | import com.example.demo.mapper.CommentMapper;
 6 | import com.example.demo.mapper.UserMapper;
 7 | import com.example.demo.model.entity.Article;
 8 | import com.example.demo.model.entity.Comment;
 9 | import com.example.demo.model.entity.User;
10 | import com.example.demo.model.vo.CommentVo;
11 | import com.example.demo.service.CommentService;
12 | import com.example.demo.utils.DataTimeUtil;
13 | import org.springframework.stereotype.Service;
14 | 
15 | import javax.annotation.Resource;
16 | import java.util.ArrayList;
17 | import java.util.List;
18 | 
19 | @Service
20 | public class CommentServiceImpl implements CommentService {
21 | 
22 |     @Resource
23 |     private CommentMapper commentMapper;
24 | 
25 |     @Resource
26 |     private UserMapper userMapper;
27 | 
28 |     @Resource
29 |     private ArticleMapper articleMapper;
30 | 
31 |     @Override
32 |     public CommentVo save(Comment comment) {
33 |         comment.setCreateAt(DataTimeUtil.getNowTimeString());
34 |         commentMapper.insert(comment);
35 |         Article article = articleMapper.selectById(comment.getAid());
36 |         article.setCommentCount(article.getCommentCount() + 1);
37 |         articleMapper.updateById(article);
38 |         User user = userMapper.selectById(comment.getUid());
39 |         user.setPhone("");
40 |         user.setPassword("");
41 |         return new CommentVo(comment, user);
42 |     }
43 | 
44 |     @Override
45 |     public List<CommentVo> findByArticle(String articleId) {
46 |         QueryWrapper<Comment> wrapper = new QueryWrapper<>();
47 |         wrapper.in("aid", articleId);
48 |         List<Comment> comments = commentMapper.selectList(wrapper);
49 |         List<CommentVo> result = new ArrayList<>();
50 |         for (Comment comment : comments) {
51 |             User user = userMapper.selectById(comment.getUid());
52 |             user.setPhone("");
53 |             user.setPassword("");
54 |             result.add(new CommentVo(comment, user));
55 |         }
56 |         return result;
57 |     }
58 | 
59 | }
60 | 


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/src/main/java/com/example/demo/service/impl/ImageServiceImpl.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.service.impl;
 2 | 
 3 | import com.example.demo.mapper.ImageMapper;
 4 | import com.example.demo.model.entity.Image;
 5 | import com.example.demo.service.ImageService;
 6 | import org.springframework.stereotype.Service;
 7 | import org.springframework.web.multipart.MultipartFile;
 8 | 
 9 | import javax.annotation.Resource;
10 | import java.io.IOException;
11 | import java.io.InputStream;
12 | import java.util.UUID;
13 | 
14 | @Service
15 | public class ImageServiceImpl implements ImageService {
16 | 
17 |     @Resource
18 |     private ImageMapper imageMapper;
19 | 
20 |     @Override
21 |     public String save(MultipartFile file) throws IOException {
22 |         InputStream inputStream = file.getInputStream();
23 |         byte[] data = new byte[(int) file.getSize()];
24 |         int i = inputStream.read(data);
25 |         String id = UUID.randomUUID().toString();
26 |         imageMapper.insert(new Image(id, data));
27 |         return id;
28 |     }
29 | 
30 |     @Override
31 |     public Image findById(String id) {
32 |         return imageMapper.selectById(id);
33 |     }
34 | 
35 | }
36 | 


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/src/main/java/com/example/demo/service/impl/UserServiceImpl.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.service.impl;
 2 | 
 3 | import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 4 | import com.example.demo.mapper.ArticleMapper;
 5 | import com.example.demo.mapper.CommentMapper;
 6 | import com.example.demo.mapper.UserMapper;
 7 | import com.example.demo.mapper.VideoMapper;
 8 | import com.example.demo.model.entity.Article;
 9 | import com.example.demo.model.entity.Comment;
10 | import com.example.demo.model.entity.User;
11 | import com.example.demo.model.entity.Video;
12 | import com.example.demo.model.vo.UserVo;
13 | import com.example.demo.service.UserService;
14 | import com.example.demo.utils.DataTimeUtil;
15 | import org.springframework.stereotype.Service;
16 | 
17 | import javax.annotation.Resource;
18 | 
19 | @Service
20 | public class UserServiceImpl implements UserService {
21 | 
22 |     @Resource
23 |     private UserMapper userMapper;
24 | 
25 |     @Resource
26 |     private ArticleMapper articleMapper;
27 | 
28 |     @Resource
29 |     private CommentMapper commentMapper;
30 | 
31 |     @Resource
32 |     private VideoMapper videoMapper;
33 | 
34 |     @Override
35 |     public void save(User user) throws Exception {
36 |         if (userMapper.selectOne(new QueryWrapper<User>().in("phone", user.getPhone())) != null)
37 |             throw new Exception("当前手机号码已注册");
38 |         if (userMapper.selectOne(new QueryWrapper<User>().in("nickname", user.getNickname())) != null)
39 |             throw new Exception("该昵称已存在");
40 |         user.setCreateAt(DataTimeUtil.getNowTimeString());
41 |         userMapper.insert(user);
42 |     }
43 | 
44 |     @Override
45 |     public UserVo login(User user) throws Exception {
46 |         QueryWrapper<User> wrapper = new QueryWrapper<>();
47 |         wrapper.in("phone", user.getPhone());
48 |         wrapper.in("password", user.getPassword());
49 |         User one = userMapper.selectOne(wrapper);
50 |         if (one == null) throw new Exception("账号密码错误");
51 |         UserVo userVo = new UserVo();
52 |         userVo.setId(one.getId());
53 |         userVo.setNickname(one.getNickname());
54 |         userVo.setAvatar(one.getAvatar());
55 |         userVo.setSchool(one.getSchool());
56 |         userVo.setCreateAt(one.getCreateAt());
57 |         userVo.setArticleCount(articleMapper.selectCount(new QueryWrapper<Article>().in("uid", one.getId())));
58 |         userVo.setVideoCount(videoMapper.selectCount(new QueryWrapper<Video>().in("uid", one.getId())));
59 |         userVo.setCommentCount(commentMapper.selectCount(new QueryWrapper<Comment>().in("uid", one.getId())));
60 |         return userVo;
61 |     }
62 | }
63 | 


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/src/main/java/com/example/demo/service/impl/VideoServiceImpl.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.service.impl;
 2 | 
 3 | import com.example.demo.mapper.VideoMapper;
 4 | import com.example.demo.model.entity.Video;
 5 | import com.example.demo.service.VideoService;
 6 | import com.example.demo.utils.DataTimeUtil;
 7 | import org.springframework.stereotype.Service;
 8 | 
 9 | import javax.annotation.Resource;
10 | import java.util.List;
11 | 
12 | @Service
13 | public class VideoServiceImpl implements VideoService {
14 | 
15 |     @Resource
16 |     private VideoMapper videoMapper;
17 | 
18 |     @Override
19 |     public void save(Video video) {
20 |         video.setCreateAt(DataTimeUtil.getNowTimeString());
21 |         videoMapper.insert(video);
22 |     }
23 | 
24 |     @Override
25 |     public List<Video> findAll() {
26 |         return videoMapper.selectList(null);
27 |     }
28 | 
29 | }
30 | 


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/src/main/java/com/example/demo/utils/DataTimeUtil.java:
--------------------------------------------------------------------------------
 1 | package com.example.demo.utils;
 2 | 
 3 | import java.text.SimpleDateFormat;
 4 | 
 5 | public final class DataTimeUtil {
 6 | 
 7 |     public static String getNowTimeString() {
 8 |         SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
 9 |         return df.format(System.currentTimeMillis());
10 |     }
11 | 
12 | }


--------------------------------------------------------------------------------
/src/main/resources/application.yaml:
--------------------------------------------------------------------------------
 1 | server:
 2 |   port: 8080
 3 | spring:
 4 |   datasource:
 5 |     driver-class-name: com.mysql.cj.jdbc.Driver
 6 |     url: jdbc:mysql://localhost:3306/know?characterEncoding=utf8&serverTimezone=UTC
 7 |     username: root
 8 |     password: abc521521521
 9 |   servlet:
10 |     multipart:
11 |       max-file-size: 500MB
12 |       max-request-size: 500MB
13 | mybatis-plus:
14 |   global-config:
15 |     db-config:
16 |       id-type: uuid
17 | 
18 | #自定义配置文件
19 | #上传视频本地保存地址
20 | videoSavePath: /Users/soanr/Desktop/videos
21 | 


--------------------------------------------------------------------------------
/src/main/resources/sql/table.sql:
--------------------------------------------------------------------------------
 1 | CREATE TABLE `t_article`
 2 | (
 3 |     `id`            varchar(50) NOT NULL,
 4 |     `uid`           varchar(50) NOT NULL,
 5 |     `title`         varchar(50) NOT NULL,
 6 |     `has_poster`    tinyint     NOT NULL,
 7 |     `type`          varchar(50) NOT NULL,
 8 |     `poster`        varchar(50) DEFAULT NULL,
 9 |     `content`       text        NOT NULL,
10 |     `agree_count`   int         NOT NULL,
11 |     `create_at`     varchar(50) NOT NULL,
12 |     `comment_count` int         NOT NULL,
13 |     PRIMARY KEY (`id`)
14 | ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
15 | 
16 | CREATE TABLE `t_comment`
17 | (
18 |     `id`        varchar(50) NOT NULL,
19 |     `uid`       varchar(50) NOT NULL,
20 |     `aid`       varchar(50) NOT NULL,
21 |     `content`   text        NOT NULL,
22 |     `create_at` varchar(50) NOT NULL,
23 |     PRIMARY KEY (`id`)
24 | ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
25 | 
26 | CREATE TABLE `t_image`
27 | (
28 |     `id`   varchar(50) NOT NULL,
29 |     `data` longblob    NOT NULL,
30 |     PRIMARY KEY (`id`)
31 | ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
32 | 
33 | CREATE TABLE `t_user`
34 | (
35 |     `id`        varchar(50) NOT NULL,
36 |     `nickname`  varchar(20) NOT NULL,
37 |     `phone`     varchar(11) NOT NULL,
38 |     `password`  varchar(20) NOT NULL,
39 |     `avatar`    varchar(50) NOT NULL,
40 |     `school`    varchar(50) NOT NULL,
41 |     `create_at` varchar(50) NOT NULL,
42 |     PRIMARY KEY (`id`)
43 | ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
44 | 
45 | CREATE TABLE `t_video`
46 | (
47 |     `id`        varchar(50) NOT NULL,
48 |     `uid`       varchar(50) NOT NULL,
49 |     `fid`       varchar(50) NOT NULL,
50 |     `type`      varchar(20) NOT NULL,
51 |     `title`     varchar(50) NOT NULL,
52 |     `create_at` varchar(50) NOT NULL,
53 |     PRIMARY KEY (`id`)
54 | ) ENGINE=InnoDB DEFAULT CHARSET=utf8;


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