e7_1.java

来自「java 初学者学习实例」· Java 代码 · 共 25 行

import java.applet.*;import java.awt.*;import java.awt.event.*;
public class E7_1 extends Applet implements MouseListener
{  TextField text;
   public void init ()
    { text=new TextField(40); add(text);
       addMouseListener ( this ); 
   }
   public void mousePressed(MouseEvent e)
    {text. setText (" 鼠标按下了，位置是："+e.getX ( ) +", "+e.getY ( ) );
   }
   public void mouseReleased(MouseEvent e)
    { text. setText (" 鼠标松开了，位置是："+e.getX ( ) +", "+e.getY ( ) );
   }
   public void mouseEntered(MouseEvent e)
    {text. setText ( "~鼠标进来了，位置是："+e.getX ( ) +", "+e.getY( ) );
   }
   public void mouseExited(MouseEvent e)
    {text. setText ("鼠标走开了");
   }
   public void mouseClicked(MouseEvent e)
    { if (e.getClickCount ( ) ==2)
         { text.setText("双击鼠标，位置："+e.getX()+","+e.getY( ));
       }
       else { }
	}}