example22_7.java

不错的教程 适合中高级人员的使用

import java.applet.*;import java.awt.*;
import java.awt.event.*;
class Imagecanvas extends Canvas implements MouseListener
{final int number=59; int count=0; Toolkit tool;
 Image[] card=new Image[number];
 Imagecanvas()
 { getSize(); tool=getToolkit(); addMouseListener(this);
   for(int i=0;i<number;i++)
   {card[i]=tool.getImage("tom"+i+".jpg"); 
   }
 }
 public void paint(Graphics g)
{if((card[count])!=null)
  g.drawImage(card[count],10,10,
  card[count].getWidth(this),card[count].getHeight(this),this);
 }
 public Dimension getPreferredSize()
  {return new Dimension(160,100);   
  }
 public void mousePressed(MouseEvent e)
 { count++;
    if(count>number-1)
    count=0;
    repaint();
 }
 public void mouseReleased(MouseEvent e){}
 public void mouseEntered(MouseEvent e){}
 public void mouseExited(MouseEvent e){}
 public void mouseClicked(MouseEvent e){}
}
public class Example22_7
{ public static void main(String args[])
  {Imagecanvas canvas=new Imagecanvas();
   Frame frame=new Frame(); frame.setLayout(new BorderLayout());
   frame.add(canvas,"Center");
   frame.add("South",new Label());frame.add("West",new Label());
   frame.add("North",new Label());
   frame.setSize(400,300);frame.setVisible(true); frame.pack();
   frame.addWindowListener(new WindowAdapter()
     {public void windowClosing(WindowEvent e)
        {System.exit(0);}
     });
   }
}