package cn.magicdu.think.socket;

import java.io.BufferedReader;

import java.io.InputStreamReader;

import java.net.HttpURLConnection;

import java.net.URL;

import java.util.List;

import java.util.Map;

/**

 * Java 访问web 站点

 *

 * @author xiaoduc

 *

 */

public class HttpConnTest {

    public static void main(String[] args)  throws Exception{

        //创建URL对象

        URL url=new URL("http://www.baidu.com");

        //用URL创建 HTTPConnection 对象

        HttpURLConnection conn= (HttpURLConnection) url.openConnection();

        //打开连接

        conn.connect();

        //打印请求响应的头部信息

        Map<String,List<String>> header=conn.getHeaderFields();

        for(String key:header.keySet()){

            System.out.println(key+":"+header.get(key));

        }

        //打印响应内容

        BufferedReader br=new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));

        String str=null;

        while((str=br.readLine())!=null){

            System.out.println(str);

        }

        conn.disconnect();

    }

}