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   源码介绍

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package pintu;

import java.awt.Container;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.util.Random;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.KeyStroke;

public class pintu extends JFrame implements ActionListener
{
	JMenuBar menuBar = new JMenuBar();
	JMenu opera = new JMenu("游戏");
	JMenu opera1=new JMenu("难度");
	JMenuItem itemStart = new JMenuItem("开始");
	JMenuItem itemtime = new JMenuItem("倒计时");
	JMenuItem itemScore = new JMenuItem("排行");
	JMenuItem itemHelp = new JMenuItem("帮助");
	JMenuItem itemAbout = new JMenuItem("关于");
	JMenuItem itemExit = new JMenuItem("退出");
	JMenuItem item33=new JMenuItem("简单    3*3");
	JMenuItem item44=new JMenuItem("困难    4*4");
	JButton[] btn = new JButton[9];
	ImageIcon[] img = new ImageIcon[9];
	int[][] map =
	{
			{0,1,2},
			{3,4,5},
			{6,7,8}
	};
	Random r=new Random();
	int step=0;
	long start=0;
	long end=0;
	int cishu=0;
	
	public pintu()
	{
		this.setTitle("拼图游戏");
		Container con = this.getContentPane();
		con.setLayout(new GridLayout(3, 3, 0, 0));
		menuBar.add(opera);
		menuBar.add(opera1);
		opera.add(itemStart);
		opera.add(itemScore);
		opera.add(itemHelp);
		opera.add(itemAbout);
		opera.add(itemtime);
		opera.add(itemExit);
		opera1.add(item33);
		opera1.add(item44);
		itemExit.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_E, ActionEvent.CTRL_MASK));
		item44.addActionListener(this);
		itemtime.addActionListener(this);
		itemStart.addActionListener(this);
		this.setJMenuBar(menuBar);
		for (int i = 0; i < 9; i  ) 
		{
			btn[i] = new JButton();
			img[i] = new ImageIcon("images\\img"   i   ".png");
			con.add(btn[i]);
			btn[i].addActionListener(this);
		}
		daluan();
		setButtonImage();
		itemExit.addActionListener(this);
		itemtime.addActionListener(this);
		this.setBounds(100, 100, 500, 552);
		this.setVisible(true);	
		start=System.currentTimeMillis();
	}
	
	

	private void daluan()
	{
		int kongh=2;
		int kongl=2;
		for (int i = 0; i < 1000; i  ) 
		{
			int dir=r.nextInt(4);
			if (dir==0) 
			{
				if(kongh-1>=0) 
				{
					map[kongh][kongl]=map[kongh-1][kongl];
					map[kongh-1][kongl]=8;
					kongh--;
				}
			}
			if (dir==1) 
			{
				if(kongh 1<=2) 
				{
					map[kongh][kongl]=map[kongh 1][kongl];
					map[kongh 1][kongl]=8;
					kongh  ;
				}
			}
			if (dir==2) 
			{
				if(kongl-1>=0) 
				{
					map[kongh][kongl]=map[kongh][kongl-1];
					map[kongh][kongl-1]=8;
					kongl--;
				}
			}
			if (dir==3) 
			{
				if(kongl 1<=2) 
				{
					map[kongh][kongl]=map[kongh][kongl 1];
					map[kongh][kongl 1]=8;
					kongl  ;
				}
			}
		}
	}

	public void setButtonImage()
	{
		for (int i = 0; i < 9; i  ) 
		{
			int hang=i/3;
			int lie=i%3;
			int value=map[hang][lie];
			btn[i].setIcon(img[value]);
			btn[i].setSize(160, 160);
			btn[i].setBorderPainted(false);
		}
	}

	private void fire(int i)
	{
		int hang = i / 3;
		int lie = i % 3;
		if (map[hang][lie] != 8) 
		{
			if (hang - 1 >= 0 && map[hang - 1][lie] == 8) 
			{
				map[hang - 1][lie] = map[hang][lie];
				map[hang][lie] = 8;
				step  ;
			}
			if (hang   1 <= 2 && map[hang   1][lie] == 8) 
			{
				map[hang   1][lie] = map[hang][lie];
				map[hang][lie] = 8;
				step  ;
			}
			if (lie - 1 >= 0 && map[hang][lie - 1] == 8) 
			{
				map[hang][lie - 1] = map[hang][lie];
				map[hang][lie] = 8;
				step  ;
			}
			if (lie   1 <= 2 && map[hang][lie   1] == 8) 
			{
				map[hang][lie   1] = map[hang][lie];
				map[hang][lie] = 8;
				step  ;
			}
			
		}
		System.out.println("步数" step);
		setButtonImage();

	}
    
    private boolean IsGameOver()
	{
		for (int i = 0; i < 3; i  ) 
		{
			for (int j = 0; j < 3; j  ) 
			{
				if (map[i][j]!=i*3 j) 
				{
					return false;
				}
			}
		}
		return true;
	}
    
    
    @Override
    public void actionPerformed(ActionEvent e)
    {
    	
    	if (e.getActionCommand().equals("退出")) 
    	{
    		System.exit(0);
    	}
    	if (e.getSource()==item44) 
		{
			dispose();
			pintu1 pintu=new pintu1();
		}
		if (e.getSource()==itemStart) 
		{
			if(IsGameOver())
			{
				
			step=0;
			start=0;
			cishu=0;
			setButtonImage();
			daluan();
			}
		}
		if(e.getSource()==itemtime)
		{
			jishiqi n=new jishiqi();
		}
    	for (int i=0;i<9;i  ) 
    	{
    		if (e.getSource() == btn[i]) 
    		{
    			if (IsGameOver()) 
    			{
    				if (cishu==0) 
    				{						
    					end=System.currentTimeMillis();
					}
    				cishu  ;
    				JOptionPane.showMessageDialog(null, "恭喜你" step "步" (end-start)/1000 "秒通关");
    				return;
    			}
    			fire(i);
    		}
    	}
    }
}