1.依赖jar

     
         
     
      org.apache.httpcomponents
          
     
      httpclient
          
     
      4.5.3
      
    

2.代码

　　

1 package com.hshc.util; 2  3 import com.hshc.common.constant.QueryAttrConstant; 4 import com.hshc.web.ucp.model.vo.HttpClientVo; 5 import lombok.extern.slf4j.Slf4j; 6 import org.apache.commons.lang3.StringUtils; 7 import org.apache.http.HttpEntity; 8 import org.apache.http.HttpResponse; 9 import org.apache.http.client.config.RequestConfig;10 import org.apache.http.client.methods.HttpPost;11 import org.apache.http.entity.StringEntity;12 import org.apache.http.impl.client.CloseableHttpClient;13 import org.apache.http.impl.client.HttpClients;14 import org.apache.http.util.EntityUtils;15 16 import java.io.IOException;17 18 /**19  * @author ldg20  * @Description: HttpClient工具类21  * @date 2018/9/29 上午10:3122  */23 @Slf4j24 public class HttpClientUtil {25 26     private static  final String APPID = PropertiesUtil.getProperty("detection.query.appId");27 28     private static final int RES_FAIL_CODE = 500; //失败响应码29     /**30    *post35      */36     public static  HttpClientVo postHttp(String url,String sign,String para){37         //创建httpClient对象38         CloseableHttpClient httpCilent = HttpClients.createDefault();39 40         //创建http配置对象41         RequestConfig requestConfig = RequestConfig.custom()42                 .setConnectTimeout(10000)   //连接目标超时43                 .setConnectionRequestTimeout(10000) // 从连接池获取连接超时44                 .setSocketTimeout(10000) //等待响应超时45                 .setRedirectsEnabled(true)//默认允许自动重定向46                 .build();47 48         //创建post请求对象49         HttpPost httpPost = new HttpPost(url);50         httpPost.setConfig(requestConfig);51         httpPost.addHeader("APPID",APPID );52         httpPost.addHeader("SIGN",sign);53 54         if(!StringUtils.isEmpty(para)){55 56         StringEntity stringEntity = new StringEntity(para, "UTF-8");//解决中文乱码问题57         stringEntity.setContentEncoding("UTF-8");58         stringEntity.setContentType("application/json");59         httpPost.setEntity(stringEntity);60         }61 62         httpPost.addHeader("Content-type", "application/json; charset=utf-8");63 64         //返回结果对象65         HttpClientVo httpClientVo = HttpClientVo.getHttpClientVo();66         //处理返回结果67         try {68             HttpResponse httpResponse = httpCilent.execute(httpPost);69 70             if(httpResponse.getStatusLine().getStatusCode() == QueryAttrConstant.HTTP_SUCCESS_CODE){71 72                 httpClientVo.setCode(QueryAttrConstant.HTTP_SUCCESS_CODE);73                 httpClientVo.setRusultStr(EntityUtils.toString(httpResponse.getEntity()));//获得返回的结果74 75             }else{76 77                 //第三方响应失败78                 httpClientVo.setCode(RES_FAIL_CODE);79                 log.error("http请求第三方响应失败");80 81             }82         } catch (IOException e) {83             httpClientVo.setCode(RES_FAIL_CODE);84             log.error("HttpClientUtil-getRulesbyHttp连接时异常",e);85         }finally {86             try {87                 //关闭链接88                 httpCilent.close();89             } catch (IOException e) {90                 log.error("HttpClientUtil-getRulesbyHttp关闭连接时异常",e);91             }92         }93 94         return httpClientVo;95     }96 97 //get

private String getHttpGetData(String url){
      log.info("car300 url=[{}]",url);    String result = StringUtils.EMPTY;    CloseableHttpClient httpClient = HttpClients.createDefault();    HttpGet httpGet = new HttpGet(url);    httpGet.addHeader("kdj-token", token);    httpGet.setConfig(RequestConfig.custom().setConnectTimeout(3000).build());    try {
         CloseableHttpResponse response = httpClient.execute(httpGet);       int status = response.getStatusLine().getStatusCode();       if (status == HttpStatus.SC_OK){
            HttpEntity responseEntity = response.getEntity();          result = EntityUtils.toString(responseEntity, "UTF-8");       }    } catch (Exception e) {
         log.error("car300 url=[{}], is error",url, e);    }    log.info("car300 url=[{}], result={}",url,result);    return result; }

98 99 }

 

3.调用