├── README.md ├── src └── main │ ├── resources │ └── application.properties │ └── java │ └── com │ └── lxg │ └── springboot │ ├── SpringbootApplication.java │ ├── controller │ └── HttpClientController.java │ ├── http │ ├── HttpResult.java │ ├── IdleConnectionEvictor.java │ └── HttpAPIService.java │ └── HttpClient.java └── pom.xml /README.md: -------------------------------------------------------------------------------- 1 | # springboot-httpclient 2 | ##SpringBoot整合HttpClient服务。 3 | -------------------------------------------------------------------------------- /src/main/resources/application.properties: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/li5454yong/springboot-httpclient/HEAD/src/main/resources/application.properties -------------------------------------------------------------------------------- /src/main/java/com/lxg/springboot/SpringbootApplication.java: -------------------------------------------------------------------------------- 1 | package com.lxg.springboot; 2 | 3 | import org.springframework.boot.SpringApplication; 4 | import org.springframework.boot.autoconfigure.SpringBootApplication; 5 | 6 | @SpringBootApplication 7 | public class SpringbootApplication { 8 | 9 | public static void main(String[] args) { 10 | SpringApplication.run(SpringbootApplication.class, args); 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /src/main/java/com/lxg/springboot/controller/HttpClientController.java: -------------------------------------------------------------------------------- 1 | package com.lxg.springboot.controller; 2 | 3 | import com.lxg.springboot.http.HttpAPIService; 4 | import org.springframework.web.bind.annotation.RequestMapping; 5 | import org.springframework.web.bind.annotation.RestController; 6 | 7 | import javax.annotation.Resource; 8 | 9 | /** 10 | * Created by lxg 11 | * on 2017/2/6. 12 | */ 13 | @RestController 14 | public class HttpClientController { 15 | 16 | @Resource 17 | private HttpAPIService httpAPIService; 18 | 19 | @RequestMapping("httpclient") 20 | public String test() throws Exception { 21 | String str = httpAPIService.doGet("http://www.baidu.com"); 22 | System.out.println(str); 23 | return "hello"; 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /src/main/java/com/lxg/springboot/http/HttpResult.java: -------------------------------------------------------------------------------- 1 | package com.lxg.springboot.http; 2 | 3 | public class HttpResult { 4 | 5 | // 响应码 6 | private Integer code; 7 | 8 | // 响应体 9 | private String body; 10 | 11 | public HttpResult() { 12 | super(); 13 | } 14 | 15 | public HttpResult(Integer code, String body) { 16 | super(); 17 | this.code = code; 18 | this.body = body; 19 | } 20 | 21 | public Integer getCode() { 22 | return code; 23 | } 24 | 25 | public void setCode(Integer code) { 26 | this.code = code; 27 | } 28 | 29 | public String getBody() { 30 | return body; 31 | } 32 | 33 | public void setBody(String body) { 34 | this.body = body; 35 | } 36 | 37 | } -------------------------------------------------------------------------------- /src/main/java/com/lxg/springboot/http/IdleConnectionEvictor.java: -------------------------------------------------------------------------------- 1 | package com.lxg.springboot.http; 2 | 3 | import org.apache.http.conn.HttpClientConnectionManager; 4 | import org.springframework.beans.factory.annotation.Autowired; 5 | import org.springframework.stereotype.Component; 6 | 7 | @Component 8 | public class IdleConnectionEvictor extends Thread { 9 | 10 | @Autowired 11 | private HttpClientConnectionManager connMgr; 12 | 13 | private volatile boolean shutdown; 14 | 15 | public IdleConnectionEvictor() { 16 | super(); 17 | super.start(); 18 | } 19 | 20 | @Override 21 | public void run() { 22 | try { 23 | while (!shutdown) { 24 | synchronized (this) { 25 | wait(5000); 26 | // 关闭失效的连接 27 | connMgr.closeExpiredConnections(); 28 | } 29 | } 30 | } catch (InterruptedException ex) { 31 | // 结束 32 | } 33 | } 34 | 35 | //关闭清理无效连接的线程 36 | public void shutdown() { 37 | shutdown = true; 38 | synchronized (this) { 39 | notifyAll(); 40 | } 41 | } 42 | } -------------------------------------------------------------------------------- /pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 4.0.0 6 | 7 | com.lxg 8 | springboot-httpclient 9 | 1.0-SNAPSHOT 10 | 11 | 12 | 13 | aliyunRepository 14 | myRepository 15 | http://maven.aliyun.com/nexus/content/groups/public/ 16 | 17 | false 18 | 19 | 20 | 21 | 22 | 23 | org.springframework.boot 24 | spring-boot-starter-parent 25 | 1.4.4.RELEASE 26 | 27 | 28 | 29 | 30 | UTF-8 31 | UTF-8 32 | 1.7 33 | 34 | 35 | 36 | 37 | org.springframework.boot 38 | spring-boot-starter 39 | 40 | 41 | 42 | org.springframework.boot 43 | spring-boot-starter-test 44 | test 45 | 46 | 47 | 48 | org.springframework.boot 49 | spring-boot-starter-web 50 | 51 | 52 | 53 | org.apache.httpcomponents 54 | httpclient 55 | 4.3.1 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | org.springframework.boot 64 | spring-boot-maven-plugin 65 | 66 | 67 | 68 | 69 | -------------------------------------------------------------------------------- /src/main/java/com/lxg/springboot/HttpClient.java: -------------------------------------------------------------------------------- 1 | package com.lxg.springboot; 2 | 3 | import org.apache.http.client.config.RequestConfig; 4 | import org.apache.http.impl.client.CloseableHttpClient; 5 | import org.apache.http.impl.client.HttpClientBuilder; 6 | import org.apache.http.impl.conn.PoolingHttpClientConnectionManager; 7 | import org.springframework.beans.factory.annotation.Qualifier; 8 | import org.springframework.beans.factory.annotation.Value; 9 | import org.springframework.context.annotation.Bean; 10 | import org.springframework.context.annotation.Configuration; 11 | 12 | /** 13 | * Created by admin on 2017/2/6. 14 | */ 15 | @Configuration 16 | public class HttpClient { 17 | 18 | @Value("${http.maxTotal}") 19 | private Integer maxTotal; 20 | 21 | @Value("${http.defaultMaxPerRoute}") 22 | private Integer defaultMaxPerRoute; 23 | 24 | @Value("${http.connectTimeout}") 25 | private Integer connectTimeout; 26 | 27 | @Value("${http.connectionRequestTimeout}") 28 | private Integer connectionRequestTimeout; 29 | 30 | @Value("${http.socketTimeout}") 31 | private Integer socketTimeout; 32 | 33 | @Value("${http.staleConnectionCheckEnabled}") 34 | private boolean staleConnectionCheckEnabled; 35 | 36 | /** 37 | * 首先实例化一个连接池管理器，设置最大连接数、并发连接数 38 | * @return 39 | */ 40 | @Bean(name = "httpClientConnectionManager") 41 | public PoolingHttpClientConnectionManager getHttpClientConnectionManager(){ 42 | PoolingHttpClientConnectionManager httpClientConnectionManager = new PoolingHttpClientConnectionManager(); 43 | //最大连接数 44 | httpClientConnectionManager.setMaxTotal(maxTotal); 45 | //并发数 46 | httpClientConnectionManager.setDefaultMaxPerRoute(defaultMaxPerRoute); 47 | return httpClientConnectionManager; 48 | } 49 | 50 | /** 51 | * 实例化连接池，设置连接池管理器。 52 | * 这里需要以参数形式注入上面实例化的连接池管理器 53 | * @param httpClientConnectionManager 54 | * @return 55 | */ 56 | @Bean(name = "httpClientBuilder") 57 | public HttpClientBuilder getHttpClientBuilder(@Qualifier("httpClientConnectionManager")PoolingHttpClientConnectionManager httpClientConnectionManager){ 58 | 59 | //HttpClientBuilder中的构造方法被protected修饰，所以这里不能直接使用new来实例化一个HttpClientBuilder，可以使用HttpClientBuilder提供的静态方法create()来获取HttpClientBuilder对象 60 | HttpClientBuilder httpClientBuilder = HttpClientBuilder.create(); 61 | 62 | httpClientBuilder.setConnectionManager(httpClientConnectionManager); 63 | 64 | return httpClientBuilder; 65 | } 66 | 67 | /** 68 | * 注入连接池，用于获取httpClient 69 | * @param httpClientBuilder 70 | * @return 71 | */ 72 | @Bean 73 | public CloseableHttpClient getCloseableHttpClient(@Qualifier("httpClientBuilder") HttpClientBuilder httpClientBuilder){ 74 | return httpClientBuilder.build(); 75 | } 76 | 77 | /** 78 | * Builder是RequestConfig的一个内部类 79 | * 通过RequestConfig的custom方法来获取到一个Builder对象 80 | * 设置builder的连接信息 81 | * 这里还可以设置proxy，cookieSpec等属性。有需要的话可以在此设置 82 | * @return 83 | */ 84 | @Bean(name = "builder") 85 | public RequestConfig.Builder getBuilder(){ 86 | RequestConfig.Builder builder = RequestConfig.custom(); 87 | return builder.setConnectTimeout(connectTimeout) 88 | .setConnectionRequestTimeout(connectionRequestTimeout) 89 | .setSocketTimeout(socketTimeout) 90 | .setStaleConnectionCheckEnabled(staleConnectionCheckEnabled); 91 | } 92 | 93 | /** 94 | * 使用builder构建一个RequestConfig对象 95 | * @param builder 96 | * @return 97 | */ 98 | @Bean 99 | public RequestConfig getRequestConfig(@Qualifier("builder") RequestConfig.Builder builder){ 100 | return builder.build(); 101 | } 102 | 103 | } 104 | -------------------------------------------------------------------------------- /src/main/java/com/lxg/springboot/http/HttpAPIService.java: -------------------------------------------------------------------------------- 1 | package com.lxg.springboot.http; 2 | 3 | import java.util.ArrayList; 4 | import java.util.List; 5 | import java.util.Map; 6 | 7 | import org.apache.http.NameValuePair; 8 | import org.apache.http.client.config.RequestConfig; 9 | import org.apache.http.client.entity.UrlEncodedFormEntity; 10 | import org.apache.http.client.methods.CloseableHttpResponse; 11 | import org.apache.http.client.methods.HttpGet; 12 | import org.apache.http.client.methods.HttpPost; 13 | import org.apache.http.client.utils.URIBuilder; 14 | import org.apache.http.impl.client.CloseableHttpClient; 15 | import org.apache.http.message.BasicNameValuePair; 16 | import org.apache.http.util.EntityUtils; 17 | import org.springframework.beans.factory.annotation.Autowired; 18 | import org.springframework.stereotype.Component; 19 | import org.springframework.stereotype.Service; 20 | 21 | 22 | @Component 23 | public class HttpAPIService { 24 | 25 | @Autowired 26 | private CloseableHttpClient httpClient; 27 | 28 | @Autowired 29 | private RequestConfig config; 30 | 31 | 32 | /** 33 | * 不带参数的get请求，如果状态码为200，则返回body，如果不为200，则返回null 34 | * 35 | * @param url 36 | * @return 37 | * @throws Exception 38 | */ 39 | public String doGet(String url) throws Exception { 40 | // 声明 http get 请求 41 | HttpGet httpGet = new HttpGet(url); 42 | 43 | // 装载配置信息 44 | httpGet.setConfig(config); 45 | 46 | // 发起请求 47 | CloseableHttpResponse response = this.httpClient.execute(httpGet); 48 | 49 | // 判断状态码是否为200 50 | if (response.getStatusLine().getStatusCode() == 200) { 51 | // 返回响应体的内容 52 | return EntityUtils.toString(response.getEntity(), "UTF-8"); 53 | } 54 | return null; 55 | } 56 | 57 | /** 58 | * 带参数的get请求，如果状态码为200，则返回body，如果不为200，则返回null 59 | * 60 | * @param url 61 | * @return 62 | * @throws Exception 63 | */ 64 | public String doGet(String url, Map map) throws Exception { 65 | URIBuilder uriBuilder = new URIBuilder(url); 66 | 67 | if (map != null) { 68 | // 遍历map,拼接请求参数 69 | for (Map.Entry entry : map.entrySet()) { 70 | uriBuilder.setParameter(entry.getKey(), entry.getValue().toString()); 71 | } 72 | } 73 | 74 | // 调用不带参数的get请求 75 | return this.doGet(uriBuilder.build().toString()); 76 | 77 | } 78 | 79 | /** 80 | * 带参数的post请求 81 | * 82 | * @param url 83 | * @param map 84 | * @return 85 | * @throws Exception 86 | */ 87 | public HttpResult doPost(String url, Map map) throws Exception { 88 | // 声明httpPost请求 89 | HttpPost httpPost = new HttpPost(url); 90 | // 加入配置信息 91 | httpPost.setConfig(config); 92 | 93 | // 判断map是否为空，不为空则进行遍历，封装from表单对象 94 | if (map != null) { 95 | List list = new ArrayList(); 96 | for (Map.Entry entry : map.entrySet()) { 97 | list.add(new BasicNameValuePair(entry.getKey(), entry.getValue().toString())); 98 | } 99 | // 构造from表单对象 100 | UrlEncodedFormEntity urlEncodedFormEntity = new UrlEncodedFormEntity(list, "UTF-8"); 101 | 102 | // 把表单放到post里 103 | httpPost.setEntity(urlEncodedFormEntity); 104 | } 105 | 106 | // 发起请求 107 | CloseableHttpResponse response = this.httpClient.execute(httpPost); 108 | return new HttpResult(response.getStatusLine().getStatusCode(), EntityUtils.toString( 109 | response.getEntity(), "UTF-8")); 110 | } 111 | 112 | /** 113 | * 不带参数post请求 114 | * 115 | * @param url 116 | * @return 117 | * @throws Exception 118 | */ 119 | public HttpResult doPost(String url) throws Exception { 120 | return this.doPost(url, null); 121 | } 122 | } --------------------------------------------------------------------------------