JAVA之简陋打地鼠(监听事件的练习)

只是用来练练监听事件，请忽视程序中可爱的图片。。。。。

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.Point;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowFocusListener;
import java.awt.event.WindowListener;
import java.awt.event.WindowStateListener;import javax.swing.ImageIcon;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.WindowConstants;public class test extends JFrame{JLabel[] mouses = new JLabel[5];JLabel chuizi = new JLabel();JLabel chuizi_down = new JLabel();ImageIcon icon = new ImageIcon(getClass().getResource("ii.jpg"));ImageIcon icon_up = new ImageIcon(getClass().getResource("up.png"));ImageIcon icon_down = new ImageIcon(getClass().getResource("down.png"));public test(){getContentPane().setLayout(null); int x = icon.getIconWidth(),y = icon.getIconHeight();chuizi.setIcon(icon_up);chuizi.setSize(icon_up.getIconWidth(), icon_up.getIconHeight());getContentPane().add(chuizi);chuizi_down.setIcon(icon_down);chuizi_down.setSize(icon_down.getIconWidth(), icon_down.getIconHeight());addMouseMotionListener(new MouseMotionListener() {@Overridepublic void mouseMoved(MouseEvent arg0) {// TODO Auto-generated method stubchuizi.setLocation(arg0.getX(), arg0.getY());chuizi_down.setLocation(arg0.getX(), arg0.getY());}@Overridepublic void mouseDragged(MouseEvent arg0) {// TODO Auto-generated method stub}});for(int i = 0;i < 4; i++){mouses[i] = new JLabel();mouses[i].setSize(x, y);mouses[i].setIcon(icon);mouses[i].addMouseListener(new MouseListener() {@Overridepublic void mouseReleased(MouseEvent arg0) {// TODO Auto-generated method stubchuizi.setIcon(icon_up);chuizi_down.setIcon(null);}@Overridepublic void mousePressed(MouseEvent arg0) {// TODO Auto-generated method stubgetContentPane().add(chuizi_down);chuizi_down.setIcon(icon_down);chuizi.setIcon(null);}@Overridepublic void mouseExited(MouseEvent arg0) {// TODO Auto-generated method stub}@Overridepublic void mouseEntered(MouseEvent arg0) {// TODO Auto-generated method stub}@Overridepublic void mouseClicked(MouseEvent arg0) {// TODO Auto-generated method stubObject source = arg0.getSource();if(source instanceof JLabel){JLabel mouse = (JLabel)source;mouse.setIcon(null);}}});getContentPane().add(mouses[i]);}mouses[0].setLocation(50, 100);mouses[1].setLocation(450, 100);mouses[2].setLocation(50, 400);mouses[3].setLocation(450, 400);setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);setVisible(true);setSize(1000,1000);run();}public void run(){while(true){try {Thread.sleep(1000);int index = (int)(Math.random() * 4);if(mouses[index].getIcon() == null){mouses[index].setIcon(icon);}} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();} }}public static void main(String[] agrs){new test();}
}

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JAVA之简陋打地鼠(监听事件的练习)

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