example22_3.java.bak

不错的教程 适合中高级人员的使用

import java.applet.*;import java.awt.*;
public class Example22_3 extends Applet
{  static Image img; Canvas canvas; static int width,height;
   public void init()
   {  setLayout(new GridLayout(3,1));add(new Button("祝好"));
      add(new Button("进步")); 
      canvas=new Mycanvas(); add(canvas);
      width=getSize().width;height=getSize().height;  
   }
   public void start()
   {  img=getImage(getCodeBase(),"22_1.jpg");
   }
}
class Mycanvas extends Canvas
{  public void paint(Graphics g)
   { g.drawImage(Example22_3.img,0,0,Example22_3.width,(Example22_3.height)/3,this);
   }
}