Java實現的打地鼠游戲

    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;//設置標記，游戲是否結束  
    private String dir="./images/";//圖片目錄，當前工程下  
    JLabel jlbMouse;//地鼠  
    Timer timer;//時間定時器  
    Random random;//隨機數對象，即生成地鼠的位置  
    int delay=1100;//延遲時間  
    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);//設置窗口在屏幕中心  
        setbackground();//設置背景  
        this.getContentPane().setLayout(null);//設置框架布局模式為空，只有這樣，才能知道圖片的真正位置  
        //設置鼠標為錘子圖片  
        tk = Toolkit.getDefaultToolkit();  
        image = tk.createImage(dir+"chui1.png");  
        myCursor = tk.createCustomCursor(image, new Point(10,10), "xxx");  
        this.setCursor(myCursor);  

        setMessage();//設置一些提示信息  
        //在背景圖片的基礎上設置地鼠圖片  
        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);//添加鼠標監聽  
        //定時器  
        timer = new Timer(delay,this);  
        random = new Random();  
        timer.start();  

        addMenu();//添加菜單  

        this.setResizable(false);//設置窗口大小不能改變  
        this.setVisible(true);  
    }  

    private void addMenu() {  
        JMenuBar menubar = new JMenuBar();  
        this.setJMenuBar(menubar);  
        JMenu game = new JMenu("游戲");  
        JMenuItem jitemNew = new JMenuItem("新游戲");  
        jitemNew.setActionCommand("new");  
        jitemNew.addActionListener(this);  
        JMenuItem jitemPause = new JMenuItem("暫停");  
        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();//菜單里設置分隔線  
        game.add(jitemExit);  
        menubar.add(game);  
    }  

    private void setbackground() {  
        ((JPanel)(this.getContentPane())).setOpaque(false);//如果為 true，則該組件繪制其邊界內的所有像素。否則該組件可能不繪制部分或所有像素，從而允許其底層像素透視出來。   
        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));//設置背景圖片的層次最低  

    }  

    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, 8, 92, 80);  
        this.getContentPane().add(showNum);  

        ImageIcon hitNumb = new ImageIcon(dir+"chuxiancishu.png");  
        JLabel hitLabel = new JLabel(hitNumb);  
        hitLabel.setBounds(148, 8, 92, 80);  
        this.getContentPane().add(hitLabel);  
        hitNum = new JLabel("0");  
        hitNum.setBounds(251, 8, 92, 80);  
        this.getContentPane().add(hitNum);  

        ImageIcon grade = new ImageIcon(dir+"dangqiandengji.png");  
        JLabel gradeLabel = new JLabel(grade);  
        gradeLabel.setBounds(288, 8, 92, 80);  
        this.getContentPane().add(gradeLabel);  
        currentGrade = new JLabel("1");  
        currentGrade.setBounds(391, 8, 92, 80);  
        this.getContentPane().add(currentGrade);  
    }  


    public static void main(String[] args) {  
        new HitMouse();  
    }  

    public void actionPerformed(ActionEvent e) {   
        //對菜單項注冊事件監聽  
        if(e.getSource() instanceof JMenuItem){  
            menuItemFun(e);  
        }  

        int ran=random.nextInt(9);//隨機生成一個0~9（不包括9）的隨機數  
        ImageIcon imageMouse = new ImageIcon(dir+"dishu.png");//保證每次隨機生成的地鼠圖片都是為沒被打時的圖片  
        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() ){//判斷游戲是否結束，并顯示游戲進程  
            timer.stop();  
        }  

    }  
    //監聽菜單功能功能  
    private void menuItemFun(ActionEvent e) {  
        if (e.getActionCommand().equalsIgnoreCase("new")) {//新游戲  
            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")) {//暫停  
            timer.stop();  
            JOptionPane.showMessageDialog(this, "繼續請按“確定”");  
            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, new Point(10,10), "xxx");  
        this.setCursor(myCursor);//鼠標按下時，鼠標顯示打下去的圖片，模擬打的動作  
        //如果打中地鼠，則地鼠換成被打中的圖片，模擬地鼠被打  
        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 ;  
        }  
        //當鼠標放松以后，鼠標變回原來沒按下時的圖片  
        image = tk.createImage(dir+"chui1.png");  
        myCursor = tk.createCustomCursor(image, new Point(10,10), "xxx");  
        this.setCursor(myCursor);  
    }  

    public void mouseEntered(MouseEvent e) {  

    }  

    public void mouseExited(MouseEvent e) {  

    }  


}  </pre>