HTTP协议 与 Socket 的使用

package com.meiyoudao.web;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.Socket;
import java.net.UnknownHostException;
/**
 * 
 * @author User
 * HTTP1.0版本每一次只能跟服务器握手一次.
 * HTTP1.1版本每一次建立连接,可以往返获取数据一直到客户端告诉服务端.
 * 我获取完了.你可以关闭连接了.
 */
public class SocketHttp {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		try {
			//Socket连接到的DNS地址
			Socket socket = new Socket("meiyoudao.iteye.com",80);
			BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
			//发送HTTP协议访问的头内容
			bw.write("GET / HTTP/1.1");
			bw.newLine();
			bw.write("HOST:meiyoudao.iteye.com:80");
			bw.newLine();
			bw.write("Context-Type: text/html");
			bw.newLine();
			bw.newLine();
			bw.flush();
			//获取Socket返回的数据流信息
			BufferedReader br = new BufferedReader(new InputStreamReader(socket.getInputStream()));
			String str= null;
			while((str = br.readLine()) != null){
				System.out.println(str);
			}
			
		} catch (UnknownHostException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		

	}

}