example22_6.java

来自「不错的教程 适合中高级人员的使用」· Java 代码 · 共 30 行

import java.applet.*;import java.awt.*;
import java.awt.event.*;
class Imagecanvas extends Canvas 
{  Toolkit tool;  Image myimage;
   Imagecanvas()
   { setSize(200,200);
     tool=getToolkit();//得到一个Toolkit对象。
     myimage=tool.getImage("223.jpg");//由tool负责获取图像。
   }
   public void paint(Graphics g)
   {
     g.drawImage(myimage,10,10,myimage.getWidth(this),myimage.getHeight(this),this);
   }
}
public class Example22_6
{ 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);}
         });
   }
}