Java实现的打地鼠游戏详解编程语言

    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, 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) {    
//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, 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) {   
}   
}