HTTP基本协议(查看网页代码)

此示例已实现查看网页的代码来理解HTTP基本协议：

（返回的是百度首页的网页代码）

 1 import java.io.BufferedReader;
 2 import java.io.IOException;
 3 import java.io.InputStreamReader;
 4 import java.io.OutputStream;
 5 import java.io.OutputStreamWriter;
 6 import java.io.PrintWriter;
 7 import java.net.Socket;
 8 
 9 
10 public class HttpTest {
11 
12     /**
13      * @param args
14      */
15     public static void main(String[] args)  throws Exception{
16         // TODO Auto-generated method stub
17     Socket s=new Socket("202.108.22.5",80);
18     PrintWriter pw=new PrintWriter(new OutputStreamWriter(s.getOutputStream()));
19     pw.println("GET  / HTTP/1.1");
20     pw.println("Host:www.baidu.com");
21     pw.println("Context-Type:text/html");
22     pw.println();
23     pw.flush();
24     BufferedReader br=new BufferedReader(new InputStreamReader(s.getInputStream()));
25     String str="";
26     while((str=br.readLine())!=null)
27     {
28         System.out.println(str);
29     }
30     br.close();
31     pw.close();
32     s.close();
33     }
34 
35 }