ackage demo;

 

import java.awt.event.MouseEvent;

import java.awt.event.MouseListener;

import java.awt.event.MouseWheelEvent;

import java.awt.event.MouseWheelListener;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JPanel;

public class MouseDemo extends JFrame  implements MouseListener,MouseWheelListener{

    static int chang=400,kuang=400;

    public MouseDemo(){

    JPanel j=new JPanel();

    JButton jb=new JButton("click");

    j.add(jb);

    this.add(j);

    this.setVisible(true);

    this.setSize(chang,kuang);

    jb.addMouseListener(this);

    this.addMouseWheelListener(this);

    }

    public   void mouseClicked(MouseEvent e){

        //左击事件

        if(e.getButton()==MouseEvent.BUTTON1)

            System.out.println("zuo ji shi jian ....");

        //滑轮按下事件

        if(e.getButton()==MouseEvent.BUTTON2)

            System.out.println("zhong  ji shi jian ....");

        //右击事件

        if(e.getButton()==MouseEvent.BUTTON3)

            System.out.println("you ji shi jian ....");

    }

    public static void main(String[] args) {

        // TODO Auto-generated method stub

        new MouseDemo();

    }

    @Override

    public void mouseEntered(MouseEvent e) {

        // TODO Auto-generated method stub

    }

    @Override

    public void mouseExited(MouseEvent e) {

        // TODO Auto-generated method stub

    }

    @Override

    public void mousePressed(MouseEvent e) {

        // TODO Auto-generated method stub

    }

    @Override

    public void mouseReleased(MouseEvent e) {

        // TODO Auto-generated method stub

    }

    @Override

    //利用滚轮事件将窗口放大和缩小

    public void mouseWheelMoved(MouseWheelEvent e) {

        // TODO Auto-generated method stub

        if(e.getWheelRotation()==1){

            chang+=10;

            kuang+=10;

            this.setSize(chang,kuang);

            this.validate();

            System.out.println("滑轮向前。。。。");

        }

        if(e.getWheelRotation()==-1){

            chang-=10;

            kuang-=10;

            this.setSize(chang,kuang);

            this.validate();

            System.out.println("滑轮向后....");

        }

    }

}