1 package LoadRunner; 2  3 import org.apache.http.HttpEntity; 4 import org.apache.http.HttpResponse; 5 import org.apache.http.client.methods.HttpGet; 6 import org.apache.http.impl.client.CloseableHttpClient; 7 import org.apache.http.impl.client.HttpClients; 8  9 import java.io.BufferedReader;10 11 import java.io.InputStreamReader;12 13 /*14 * 使用Apache的HttpClient发送GET和POST请求的步骤如下:15 *   1. 使用帮助类HttpClients创建CloseableHttpClient对象.16 *   2. 基于要发送的HTTP请求类型创建HttpGet或者HttpPost实例.17 *   3. 使用addHeader方法添加请求头部,诸如User-Agent, Accept-Encoding等参数.18 *   4. 对于POST请求,创建NameValuePair列表,并添加所有的表单参数.然后把它填充进HttpPost实体.19 *   5. 通过执行此HttpGet或者HttpPost请求获取CloseableHttpResponse实例20 *   6. 从此CloseableHttpResponse实例中获取状态码,错误信息,以及响应页面等等.21 *   7. 最后关闭HttpClient资源.22 * */23 24 /**25  * 使用HttpClient调用接口26  * 为性能测试写接口脚本27  */28 public class GetChannelLine {29     public static void main(String args[]) throws Exception {30         String channelId = "sdd";31         String clientId = "123";32         // 目标地址33         String url = "http://XXX.XXX.com.cn/arowana/channel/getChannelLine?channelId=" + channelId + "&clientId=" + clientId;34         HttpGet httpGet = new HttpGet(url);35 36         // 设置类型 "application/x-www-form-urlencoded" "application/json"37         httpGet.setHeader("Content-Type", "application/x-www-form-urlencoded");38         System.out.println("调用URL: " + httpGet.getURI());39 40 //        httpClient实例化41         CloseableHttpClient httpClient = HttpClients.createDefault();42         // 执行请求并获取返回43         HttpResponse response = httpClient.execute(httpGet);44 //        System.out.println("Response toString()" + response.toString());45         HttpEntity entity = response.getEntity();46         System.out.println("返回状态码：" + response.getStatusLine());47 48         //得到返回数据的长度；没有该参数返回-149 //        if (entity != null) {50 //            System.out.println("返回消息内容长度: " + entity.getContentLength());51 //        }52 53         // 显示结果54         BufferedReader reader = new BufferedReader(new InputStreamReader(entity.getContent(), "UTF-8"));55         String line = null;56         StringBuffer responseSB = new StringBuffer();57         while ((line = reader.readLine()) != null) {58             responseSB.append(line);59         }60         System.out.println("返回消息：" + responseSB);61         reader.close();62 63         httpClient.close();64     }65 }

依赖包：

1         
     
      2             
      
       org.apache.httpcomponents
      3             
      
       httpclient
      4             
      
       4.5.5
      5