java 得到网上的图片 java获取网页图片

package com.yss.test.FileReadWriter;

import java.awt.AWTEvent;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.WindowEvent;
import java.awt.image.ImageProducer;
import java.io.IOException;
import java.net.URL;

public class getUrlImage extends Frame{
	/**
	 * 读取网页图片
	 */
	private Image img;
	public void paint(Graphics g){
	  g.drawImage(img, 20, 20, this);//显示图像
	 }
	 public void processWindowsEvent(WindowEvent e){
	  //处理windows窗口事件
	  super.processWindowEvent(e);
	  if (e.getID() == WindowEvent.WINDOW_CLOSING){
	   System.exit(0);
	  }
	 }
	 public static void main(String[] args) throws IOException{
	  String path = "http://img3.cache.netease.com/auto/2009/11/23/20091123183039e643d.jpg";
	  URL url = new URL(path);
	  getUrlImage urlt = new getUrlImage();
	  urlt.img = urlt.createImage((ImageProducer)url.getContent());
	  urlt.enableEvents(AWTEvent.WINDOW_EVENT_MASK);
	  urlt.setSize(600,600);//设定窗口的大小
	  urlt.setVisible(true);//Shows or hides this Window depending on the value of parameter
	 }
	}