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javalearner

java应用程序中发送URL中带参数的请求.

param 为aaa=111&bbb=222.....格式

import java.io.*;
import java.net.*;
public class TestGetPost{

//发送带参数的GET请求
    public static String sendGet(String url,String param) {
      String result = "";
      try{
           String urlName = url + "?"+param;
           URL U = new URL(urlName);
           URLConnection connection = U.openConnection();

           connection.connect();

  

1. 
   
2.    BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
   
3.    String line;
   
4.    while ((line = in.readLine())!= null)
   
5.    {
   
6.     result += line;
   
7.    }
   
8.    in.close();   
   
9.   }catch(Exception e){
   
10.    System.out.println("没有结果！"+e);
    
11.   }
    
12.   return result;
    
13. }
    
14. 
    
15. //发送带参数的Post请求
16. 
    
17. public static String sendPost(String url,String param){
    
18.   String result="";
    
19.   try{
    
20.    URL httpurl = new URL(url);
    
21.    HttpURLConnection httpConn = (HttpURLConnection)httpurl.openConnection();      
    
22.    httpConn.setDoOutput(true);
    
23.    httpConn.setDoInput(true);
    
24.    PrintWriter out = new PrintWriter(httpConn.getOutputStream());
    
25.    out.print(param);
    
26.    out.flush();
    
27.    out.close();
    
28.    BufferedReader in = new BufferedReader(new InputStreamReader(httpConn.getInputStream()));
    
29.    String line;
    
30.    while ((line = in.readLine())!= null)
    
31.    {
    
32.     result += line;
    
33.    }
    
34.    in.close();
    
35.   }catch(Exception e){
    
36.    System.out.println("没有结果！"+e);
    
37.   }
    
38.   return result;
    
39. }
    
41. //测试
    
42.   public static void main(String args[]){
    
43.    // String s=TestGetPost.sendGet("http://www.java3z.com/cwbwebhome/article/article2/2340.jsp","id=960");
    
44.    // System.out.println(s);
    
45.     String s1=TestGetPost.sendPost("http://www.java3z.com/cwbwebhome/learn.jsp","type_id=1&start=50&thRange=50");
    
46.     System.out.println(s1);
    
47.   }
    
48. }
    
49.   
    
50.      
    

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源码下载：http://file.javaxxz.com/2014/10/1/230846453.zip