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 }