一个基于Myeclipse开发的Java打地鼠小游戏（Appletcation）

 package javaes.zixue.wangshang.daima;

  2
  3 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{  

     private static final long serialVersionUID = 1L;
     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=1000;//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(500, 300);
         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(30,30), "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+"datou.png");
         jlbMouse = new JLabel(imageMouse);
         jlbMouse.setSize(100,100);
         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);
       /*  JMenuItem jitemEasy= new JMenuItem("简单");
         jitemExit.setActionCommand("easy");
         jitemExit.addActionListener(this);
         JMenuItem jitemYiban= new JMenuItem("中等");
         jitemExit.setActionCommand("yiban");
         jitemExit.addActionListener(this);
         JMenuItem jitemKunnan= new JMenuItem("困难");
         jitemExit.setActionCommand("kunnan");
         jitemExit.addActionListener(this)*/
         game.add(jitemNew);
         game.add(jitemPause);
         game.addSeparator();//菜单里设置分隔线
         game.add(jitemExit);
         game.addSeparator();//菜单里设置分隔线
        /* game.add(jitemEasy);
         game.add(jitemYiban);
         game.add(jitemKunnan);  */
         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(8, 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(148, 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(288, 8, 92, 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(70, 40);break;
         case 1:jlbMouse.setLocation(185, 35);break;
         case 2:jlbMouse.setLocation(315,40);break;
         case 3:jlbMouse.setLocation(55,95);break;
         case 4:jlbMouse.setLocation(190,95);break;
         case 5:jlbMouse.setLocation(315,90);break;
         case 6:jlbMouse.setLocation(50, 155);break;
         case 7:jlbMouse.setLocation(190, 160);break;
         case 8:jlbMouse.setLocation(320, 160);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
             isOver=true;
             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();
         }  

       /*  if (e.getActionCommand().equalsIgnoreCase("easy")) {
             timer.stop();
             showNumber=0;
             hitNumber=0;
             currentGrades=1;
             delay=2500;
             isOver=false;
             showNum.setText(""+showNumber);
             hitNum.setText(""+hitNumber);
             currentGrade.setText(""+currentGrades);
             timer = new Timer(delay,this);
             timer.start();
         }  

         if (e.getActionCommand().equalsIgnoreCase("yiban")) {
             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("kunnan")) {
             timer.stop();
             showNumber=0;
             hitNumber=0;
             currentGrades=1;
             delay=100;
             isOver=false;
             showNum.setText(""+showNumber);
             hitNum.setText(""+hitNumber);
             currentGrade.setText(""+currentGrades);
                timer = new Timer(delay,this);
                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, new Point(10,10), "xxx");
         this.setCursor(myCursor);
     }  

     public void mouseEntered(MouseEvent e) {  

     }  

     public void mouseExited(MouseEvent e) {  

     }  

 }