example18_1.java

来自「不错的教程 适合中高级人员的使用」· Java 代码 · 共 28 行

import java.applet.*;import java.awt.*; 
import java.awt.event.*;
public class Example18_1 extends Applet implements MouseListener
{  TextField text;
   public void init()
   {  text=new TextField(40); add(text);
      addMouseListener(this) ;//向小程序增加鼠标事件监视器。
   }   
   public void mousePressed(MouseEvent e)
   {  text.setText("鼠标键按下了,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("鼠标键双击,位置:"+e.getX()+","+e.getY());
       }  
      else {}
   }
}