📄 example22_7.java.bak
字号:
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 Example226
{ 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);}
});
}
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -