java从网络上获取图象信息

import java.applet.*;import java.awt.*;public class GetImage extends Applet{Image image;public void init(){image=getImage(getDocumentBase(),"test.gif");}public void paint(Graphics g){g.drawImage(image,0,0,this);}}import java.applet.*;import java.net.*;import java.awt.*;public class GetImageURL extends Applet{Image image;public void init(){String url="http://localhost:8080/test/2.png";try{image=getImage(new URL(url));}catch(Exception e){}}public void paint(Graphics g){g.drawImage(image,0,0,this);}}