使用HttpClient进行远程接口测试

前两天在工作中，项目组长给我了一个远程接口让我给测一下，因为是http协议，所以我首先想到了用httpClient工具类来测试，网上一查，找到了好多示例代码，随便复制了一个demo进行了简单的修改，结果怎么测试都是连接超时，试了很多个demo也不好使，最后发现是因为我们公司访问外网是通过代理，所以在进行测试的时候需要配置代理。一下是我的测试程序

用到的jar包：

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" 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 package com.lym.test;

 import org.apache.http.HttpEntity;
 import org.apache.http.HttpHost;
 import org.apache.http.client.config.RequestConfig;
 import org.apache.http.client.methods.CloseableHttpResponse;
 import org.apache.http.client.methods.HttpPost;
 import org.apache.http.entity.StringEntity;
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.impl.client.HttpClientBuilder;
 import org.apache.http.util.EntityUtils;

 import com.google.gson.JsonObject;

 public class HttpClientTest {

     public static void main(String args[]) throws Exception {

         // 创建HttpClientBuilder
         HttpClientBuilder httpClientBuilder = HttpClientBuilder.create();
         // HttpClient
         CloseableHttpClient closeableHttpClient = httpClientBuilder.build();
         // 依次是目标请求地址，端口号,协议类型
         HttpHost target = new HttpHost("61.144.244.6:8888/sztmerchant/merchant/addIsztMerchant.htm", 8888, "http");
         // 依次是代理地址，代理端口号，协议类型
         HttpHost proxy = new HttpHost("proxy3.bj.petrochina", 8080, "http");
         RequestConfig config = RequestConfig.custom().setProxy(proxy).build();

         // 请求地址
         HttpPost httpPost = new HttpPost("http://61.144.244.6:8888/sztmerchant/merchant/addIsztMerchant.htm");
         // 设置头信息
         httpPost.addHeader("Content-type", "application/json; charset=utf-8");
         httpPost.setHeader("Accept", "application/json");
         httpPost.setConfig(config);

         // 创建参数json串
         JsonObject jsonObj = new JsonObject();
         jsonObj.addProperty("merchantNo", "33300911238");
         jsonObj.addProperty("merchantName", "电商运营生产测试1238");
         String jsonStr = jsonObj.toString();
         System.out.println("parameters: " + jsonStr);

         StringEntity entity;
         try {
             entity = new StringEntity(jsonStr, "UTF-8");
             httpPost.setEntity(entity);
             CloseableHttpResponse response = closeableHttpClient.execute(target, httpPost);
             // getEntity()
             HttpEntity httpEntity = response.getEntity();
             if (httpEntity != null) {
                 // 打印响应内容
                 System.out.println("result: " + EntityUtils.toString(httpEntity, "UTF-8"));
             }else {
                 System.out.println("无响应内容");
             }
             // 释放资源
             if(closeableHttpClient != null) {
                 closeableHttpClient.close();
             }
         } catch (Exception e) {
             e.printStackTrace();
         }
     }

 }