[java]代碼庫(kù)import java.awt.Color;

import java.awt.Graphics;

import java.awt.event.MouseEvent;

import java.awt.event.MouseListener;

import javax.swing.JFrame;

public class T1 extends JFrame{

int x;

int y;

Color c;

public T1(){

this.setSize(600,400);

this.setDefaultCloseOperation(2);

this.setVisible(true);

this.addMouseListener(shubiaodianji());

}

public void paint(Graphics g){

super.paint(g);

g.setColor(c);

g.fillOval(x-100, y-100, 200, 200);

}

private MouseListener shubiaodianji() {

MouseListener m = new MouseListener() {

@Override

public void mouseReleased(MouseEvent e) {

// 鼠標(biāo)松開(kāi)的那一瞬間

}

@Override

public void mousePressed(MouseEvent e) {

// 鼠標(biāo)按下的那一瞬間

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

c = Color.red;

setTitle("左鍵");

}else if(e.getButton()==MouseEvent.BUTTON2){

c = Color.orange;

setTitle("中鍵");

}else if(e.getButton()==MouseEvent.BUTTON3){

c = Color.cyan;

setTitle("右鍵");

}else{

setTitle("不知道啥按鍵");

}

x=e.getX();

y=e.getY();

repaint();//重新繪圖

}

@Override

public void mouseExited(MouseEvent e) {

// 鼠標(biāo)退出JFrame界面的那一瞬間

}

@Override

public void mouseEntered(MouseEvent e) {

// 鼠標(biāo)計(jì)入JFrame的那一瞬間

}

@Override

public void mouseClicked(MouseEvent e) {

// 鼠標(biāo)點(diǎn)擊事件按鈕

}

};

return m;

}

public static void main(String[] args) {

new T1();

}

}

總結(jié)

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