画图.txt

这是JAVA2实用教程(第二版)的所有示例

import java.applet.*;import java.awt.*;
import java.awt.event.*;
public class Example18_5 extends Applet implements MouseListener
{ TextField text;
  public void init()
  { text=new TextField(40);
    add(text);addMouseListener(this) ;//向小程序增加监视器。
  }   
  public void mousePressed(MouseEvent e)
  { if(e.getModifiers()==InputEvent.BUTTON3_MASK)
    text.setText("鼠标右键按下了,位置是"+e.getX()+","+e.getY() );
   else if(e.getModifiers()==InputEvent.BUTTON1_MASK)
    text.setText("鼠标left按下了,位置是"+e.getX()+","+e.getY() );
  } 
  public void mouseReleased(MouseEvent e)
  { }
  public void mouseEntered(MouseEvent e)
  { }
  public void mouseExited(MouseEvent e)
  {}
  public void mouseClicked(MouseEvent e)
  { }  
}