URL的使用实例

package com.franky.net.http;import java.io.IOException;import java.io.InputStream;import java.net.URL;import java.net.URLConnection;/** * URL的使用实例 * @author Administrator * */public class URLDemo {public static void main(String[] args) throws IOException{//远程资源地址URL url = new URL("http://www.sina.com/");//获取远程资源地址的各种属性//int port = url.getPort();//System.out.println(port);//System.out.println(url.getHost());//System.out.println(url.getProtocol());//打开远程资源连接对象URLConnection conn = url.openConnection();//获取资源输入流InputStream is = conn.getInputStream();int len = 0;byte[] b = new byte[1024];//读取资源while((len = is.read(b))!=-1){System.out.println(new String(b,0,len));}}}