Java实现的打地鼠游戏

    import java.awt.Cursor;  
    import java.awt.Image;  
    import java.awt.Point;  
    import java.awt.Toolkit;  
    import java.awt.event.ActionEvent;  
    import java.awt.event.ActionListener;  
    import java.awt.event.MouseEvent;  
    import java.awt.event.MouseListener;  
    import java.util.Random;  
      
    import javax.swing.ImageIcon;  
    import javax.swing.JFrame;  
    import javax.swing.JLabel;  
    import javax.swing.JMenu;  
    import javax.swing.JMenuBar;  
    import javax.swing.JMenuItem;  
    import javax.swing.JOptionPane;  
    import javax.swing.JPanel;  
    import javax.swing.Timer;  
      
      
    public class HitMouse extends JFrame implements ActionListener,MouseListener{  
        boolean isOver=false;//设置标记，游戏是否结束  
        private String dir="./images/";//图片目录，当前工程下  
        JLabel jlbMouse;//地鼠  
        Timer timer;//时间定时器  
        Random random;//随机数对象，即生成地鼠的位置  
        int delay=1100;//延迟时间  
        Toolkit tk;  
        Image image;  
        Cursor myCursor;  
        JLabel showNum,currentGrade,hitNum;  
        int showNumber=0,hitNumber=0,currentGrades=1;  
          
        public HitMouse(){  
            super("打地鼠");  
            this.setDefaultCloSEOperation(JFrame.EXIT_ON_CLOSE);  
            this.setSize(449,395);  
            this.setLocationRelativeTo(null);//设置窗口在屏幕中心  
            setbackground();//设置背景  
            this.getContentPane().setLayout(null);//设置框架布局模式为空，只有这样，才能知道图片的真正位置  
            //设置鼠标为锤子图片  
            tk = Toolkit.getDefaultToolkit();  
            image = tk.createImage(dir+"chui1.png");  
            myCursor = tk.createCustomCursor(image,new Point(10,10),"xxx");  
            this.setCursor(myCursor);  
              
            setMessage();//设置一些提示信息  
            //在背景图片的基础上设置地鼠图片  
            ImageIcon imageMouse = new ImageIcon(dir+"dishu.png");  
            jlbMouse = new JLabel(imageMouse);  
            jlbMouse.setSize(80,80);  
            this.getContentPane().add(jlbMouse);  
            jlbMouse.setVisible(false);  
            jlbMouse.addMouseListener(this);//添加鼠标监听  
            //定时器  
            timer = new Timer(delay,this);  
            random = new Random();  
            timer.start();  
              
            addMenu();//添加菜单  
              
            this.setResizable(false);//设置窗口大小不能改变  
            this.setVisible(true);  
        }  
          
        private void addMenu() {  
            JMenuBar menubar = new JMenuBar();  
            this.setJMenuBar(menubar);  
            JMenu game = new JMenu("游戏");  
            JMenuItem jitemNew = new JMenuItem("新游戏");  
            jitemNew.setActionCommand("new");  
            jitemNew.addActionListener(this);  
            JMenuItem jitemPause = new JMenuItem("暂停");  
            jitemPause.setActionCommand("pause");  
            jitemPause.addActionListener(this);  
            JMenuItem jitemExit = new JMenuItem("退出");  
            jitemExit.setActionCommand("exit");  
            jitemExit.addActionListener(this);  
            game.add(jitemNew);  
            game.add(jitemPause);  
            game.addSeparator();//菜单里设置分隔线  
            game.add(jitemExit);  
            menubar.add(game);  
        }  
          
        private void setbackground() {  
            ((JPanel)(this.getContentPane())).setOpaque(false);//如果为 true，则该组件绘制其边界内的所有像素。否则该组件可能不绘制部分或所有像素，从而允许其底层像素透视出来。   
            ImageIcon bgImage = new ImageIcon("images/beijing.jpg");  
            JLabel bgLabel = new JLabel(bgImage);  
            bgLabel.setBounds(0,25,bgImage.getIconWidth(),bgImage.getIconHeight());  
            this.getLayeredPane().add(bgLabel,new Integer(Integer.MIN_VALUE));//设置背景图片的层次最低  
              
        }  
          
        private void setMessage() {  
            ImageIcon showNumb = new ImageIcon(dir+"chuxiancishu.png");  
            JLabel showLabel = new JLabel(showNumb);  
            showLabel.setBounds(8,8,92,80);  
            this.getContentPane().add(showLabel);  
            showNum = new JLabel("0");  
            showNum.setBounds(110,80);  
            this.getContentPane().add(showNum);  
              
            ImageIcon hitNumb = new ImageIcon(dir+"chuxiancishu.png");  
            JLabel hitLabel = new JLabel(hitNumb);  
            hitLabel.setBounds(148,80);  
            this.getContentPane().add(hitLabel);  
            hitNum = new JLabel("0");  
            hitNum.setBounds(251,80);  
            this.getContentPane().add(hitNum);  
              
            ImageIcon grade = new ImageIcon(dir+"dangqiandengji.png");  
            JLabel gradeLabel = new JLabel(grade);  
            gradeLabel.setBounds(288,80);  
            this.getContentPane().add(gradeLabel);  
            currentGrade = new JLabel("1");  
            currentGrade.setBounds(391,80);  
            this.getContentPane().add(currentGrade);  
        }  
      
      
        public static void main(String[] args) {  
            new HitMouse();  
        }  
          
        public void actionPerformed(ActionEvent e) {   
            //对菜单项注册事件监听  
            if(e.getSource() instanceof JMenuItem){  
                menuItemFun(e);  
            }  
              
            int ran=random.nextInt(9);//随机生成一个0~9（不包括9）的随机数  
            ImageIcon imageMouse = new ImageIcon(dir+"dishu.png");//保证每次随机生成的地鼠图片都是为没被打时的图片  
            jlbMouse.setIcon(imageMouse);  
            switch(ran){  
            case 0:jlbMouse.setLocation(55,63);break;  
            case 1:jlbMouse.setLocation(321,204);break;  
            case 2:jlbMouse.setLocation(184,204);break;  
            case 3:jlbMouse.setLocation(47,203);break;  
            case 4:jlbMouse.setLocation(297,133);break;  
            case 5:jlbMouse.setLocation(161,133);break;  
            case 6:jlbMouse.setLocation(21,133);break;  
            case 7:jlbMouse.setLocation(310,63);break;  
            case 8:jlbMouse.setLocation(185,63);break;  
            }  
              
            jlbMouse.setVisible(true);  
              
            showNumber++;  
            showNum.setText(""+showNumber);  
              
            if( !gamePlan() ){//判断游戏是否结束，并显示游戏进程  
                timer.stop();  
            }  
              
        }  
        //监听菜单功能功能  
        private void menuItemFun(ActionEvent e) {  
            if (e.getActionCommand().equalsIgnoreCase("new")) {//新游戏  
                timer.stop();  
                showNumber=0;  
                hitNumber=0;  
                currentGrades=1;  
                delay=1000;  
                isOver=false;  
                showNum.setText(""+showNumber);  
                hitNum.setText(""+hitNumber);  
                currentGrade.setText(""+currentGrades);  
                timer = new Timer(delay,this);  
                timer.start();  
            }  
            if (e.getActionCommand().equalsIgnoreCase("exit")) {//退出  
                System.exit(EXIT_ON_CLOSE);  
            }  
              
            if (e.getActionCommand().equalsIgnoreCase("pause")) {//暂停  
                timer.stop();  
                JOptionPane.showMessageDialog(this,"继续请按“确定”");  
                timer.start();  
            }  
        }  
      
        private boolean gamePlan() {  
            if(showNumber-hitNumber > 8){  
                JOptionPane.showMessageDialog(this,"Game Over !");  
                isOver=true;  
                return false;  
            }  
            if(hitNumber > 5){  
                hitNumber=0;  
                showNumber=0;  
                currentGrades++;  
                if(delay>100){  
                    delay-=50;  
                }else if(delay>=500){  
                    delay=500;  
                }  
                timer.setDelay(delay);  
                hitNum.setText(""+hitNumber);  
                showNum.setText(""+showNumber);  
                currentGrade.setText(""+currentGrades);  
            }  
            return true;  
        }  
      
        public void mouseClicked(MouseEvent e) {  
              
        }  
      
        public void mousePressed(MouseEvent e) {  
            if(isOver){  
                return ;  
            }  
            image = tk.createImage(dir+"chui2.png");  
            myCursor = tk.createCustomCursor(image,"xxx");  
            this.setCursor(myCursor);//鼠标按下时，鼠标显示打下去的图片，模拟打的动作  
            //如果打中地鼠，则地鼠换成被打中的图片，模拟地鼠被打  
            if(e.getSource()==jlbMouse){  
                ImageIcon imageIconHit = new ImageIcon(dir+"datou.png");  
                jlbMouse.setIcon(imageIconHit);  
                jlbMouse.setVisible(true);  
            }  
              
            hitNumber++;  
            hitNum.setText(""+hitNumber);  
        }  
      
        public void mouseReleased(MouseEvent e) {  
            if(isOver){  
                return ;  
            }  
            //当鼠标放松以后，鼠标变回原来没按下时的图片  
            image = tk.createImage(dir+"chui1.png");  
            myCursor = tk.createCustomCursor(image,"xxx");  
            this.setCursor(myCursor);  
        }  
      
        public void mouseEntered(MouseEvent e) {  
              
        }  
      
        public void mouseExited(MouseEvent e) {  
              
        }  
      
      
    }