mouselistener.java

Java课程中所有的可运行程序 全部都是java课程中所涉及到的源码

import java.awt.event.*;
import java.awt.*;
import java.applet.*;

public class Mouselistener extends Applet implements MouseListener{

Label l1=new Label("init                                                    ");

    public void init(){
        add(l1);
        addMouseListener(this);}

        public void mousePressed(MouseEvent e){
             int x=(int)e.getX();
            int y=(int)e.getY();
            l1.setText("在("+x+","+y+")处鼠标按下!");
        }


        public void mouseReleased(MouseEvent e){
            int x=(int)e.getX();
            int y=(int)e.getY();
            l1.setText("在("+x+","+y+")处鼠标释放!");
        }

public  void mouseEntered(MouseEvent e){
  l1.setText("鼠标进入!");}

  public  void mouseExited(MouseEvent e){
  l1.setText("鼠标离开!");}


 public  void mouseClicked(MouseEvent e){


	 if(e.getClickCount()==2)
 l1.setText("鼠标双击!");
 else
  l1.setText("鼠标点击!");
 }

        }