处理返回码的部分还需要优化，有现成解决方案的朋友请告诉我，感谢！

 

1 package com.homework; 2  3 import java.io.IOException; 4 import org.apache.http.HttpResponse; 5 import org.apache.http.client.fluent.Request; 6  7 public class HttpTest { 8  9     public static void main(String[] args) {10         sendURLRequest("http://www.testroad.org/");11     }12     13     static void sendURLRequest(String uri){14         int statusCode = 0;15         HttpResponse response;16         try {17             response=Request.Get(uri).execute().returnResponse();18             statusCode=response.getStatusLine().getStatusCode();19         } catch (IOException e) {20             e.printStackTrace();21         }22 //        System.out.println(status);23         if ((200<=statusCode)&&(statusCode<299)) {24             System.out.println(statusCode+"： 连接成功");25         }else if ((300<=statusCode)&&(statusCode<399)) {26             System.out.println(statusCode+"： 连接成功");27         }else if ((400<=statusCode)&&(statusCode<499)) {28             System.out.println(statusCode+"： 连接失败");29         }else if ((500<=statusCode)&&(statusCode<599)) {30             System.out.println(statusCode+"： 连接失败");31         }else{32             System.out.println("状态码未知： "+statusCode);33         }34         35     }36 37 }