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();}}}