Java语言实现拼图游戏源代码

/*
 * JAVA小游戏－拼图 我做的第一个小游戏
 * Cell类是继承的按钮类，并加上相应图形，形成方格
 *MyCanvas是一个面板，加载Cell类的对象（方格），是这三个类中的核心
 */

import java.awt.Rectangle;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Choice;
import java.awt.Color;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.Icon;
import javax.swing.JButton;

public class MyMainFrame extends JFrame implements ActionListener {

    MyCanvas myCanvas;
    JPanel panelNorth, panelPreview;//定义上方的面板，及预览所需的面板
    Button start, preview, set;//定义开始，预览，设定按钮
    Container container;//容器，得到内容面板

    public MyMainFrame() {//初使化
        container = this.getContentPane();
        start = new Button("开始");
        start.addActionListener(this);
        preview = new Button("预览");
        preview.addActionListener(this);
        set = new Button("设置");
        set.addActionListener(this);
        panelPreview = new JPanel();
        panelPreview.setLayout(null);
        Icon icon = new ImageIcon("pic_" + MyCanvas.pictureID + ".jpg");
        JLabel label = new JLabel(icon);
        label.setBounds(0, 0, 300, 300);
        panelPreview.add(label);


        panelNorth = new JPanel();
        panelNorth.setBackground(Color.red);
        panelNorth.add(start);
        panelNorth.add(preview);
        panelNorth.add(set);
        myCanvas = new MyCanvas();
        container.add(myCanvas, BorderLayout.CENTER);
        container.add(panelNorth, BorderLayout.NORTH);
        this.setTitle("拼图小游戏-明");
        this.setLocation(300, 200);
        this.setSize(308, 365);
        this.setResizable(false);
        this.setVisible(true);

        this.setDefaultCloseOperation(3);
    }

    public static void main(String[] args) {
// TODO 自动生成方法存根
        new MyMainFrame();

    }

    public void actionPerformed(ActionEvent arg0) {//对三个按钮事件的处理
// TODO 自动生成方法存根
        Button button = (Button) arg0.getSource();
        if (button == start) {
            myCanvas.Start();

        } else if (button == preview) {
            if (button.getLabel() == "预览") {
                container.remove(myCanvas);
                container.add(panelPreview);
                panelPreview.updateUI();
                container.repaint();

                button.setLabel("返回");
            } else {
                container.remove(panelPreview);
                container.add(myCanvas);
                container.repaint();
                button.setLabel("预览");
            }
        } else if (button == set) {//修改所选图片
            Choice pic = new Choice();
            pic.add("小猫");
            pic.add("小猪");
            pic.add("云");
            pic.add("QQ");
            pic.add("卡通");
            pic.add("花");

            int i = JOptionPane.showConfirmDialog(this, pic, "选择图片", JOptionPane.OK_CANCEL_OPTION);
            if (i == JOptionPane.YES_OPTION) {
                MyCanvas.pictureID = pic.getSelectedIndex() + 1;
                myCanvas.reLoadPictrue();
                Icon icon = new ImageIcon("pic_" + MyCanvas.pictureID + ".jpg");
                JLabel label = new JLabel(icon);
                label.setBounds(0, 0, 300, 300);
                panelPreview.removeAll();
                panelPreview.add(label);
                panelPreview.repaint();
            }
        }
    }
}

class MyCanvas extends JPanel implements MouseListener {

    boolean hasAddActionListener = false;//设置方格的动作监听器的标志位，TRUE为已经添加上动作事件，FALSE是尚未添加动作事件
    Cell cell[];//定义方格
    Rectangle cellNull;//定义空方格区域
    public static int pictureID = 1;//当前选择的图片代号
    public MyCanvas() {
        this.setLayout(null);
        this.setSize(400, 400);
        cellNull = new Rectangle(200, 200, 100, 100);//空方格区域在第三行每三列
        cell = new Cell[9];
        Icon icon;
        for (int i = 0; i < 3; i++) {//为9个方格加载图片，并初使化坐标，形成三行三列
            for (int j = 0; j < 3; j++) {
                icon = new ImageIcon("pic_" + pictureID + "_" + (i * 3 + j + 1) + ".jpg");
                cell[i * 3 + j] = new Cell(icon);
                cell[i * 3 + j].setLocation(j * 100, i * 100);
                this.add(cell[i * 3 + j]);
            }
        }
        this.remove(cell[8]);//移除最后一个多余的方格
    }

    public void reLoadPictrue() {//当选择其它图形进行拼图时，需重新加载新图片
        Icon icon;
        for (int i = 0; i < 3; i++) {
            for (int j = 0; j < 3; j++) {
                icon = new ImageIcon("pic_" + pictureID + "_" + (i * 3 + j + 1) + ".jpg");
                cell[i * 3 + j].setIcon(icon);
            }
        }
    }

    public boolean isFinish() {//判断是否拼合成功
        for (int i = 0; i < 8; i++) {
            int x = cell[i].getBounds().x;
            int y = cell[i].getBounds().y;
            if (y / 100 * 3 + x / 100 != i) {
                return false;
            }
        }
        return true;
    }

    public void Start() {//对方格进行重新排列，打乱顺序

        while (cell[0].getBounds().x <= 100 && cell[0].getBounds().y <= 100) {//当第一个方格距左上角较近时
            int x = cellNull.getBounds().x;
            int y = cellNull.getBounds().y;
            int direction = (int) (Math.random() * 4);//产生0-4，对应空方格的上下左右移动
            if (direction == 0) {//空方格左移动，与左侧方格互换位置，左侧方格右移动
                x -= 100;
                if (test(x, y)) {
                    for (int j = 0; j < 8; j++) {
                        if ((cell[j].getBounds().x == x) && (cell[j].getBounds().y == y)) {//依次寻找左侧的按钮
                            cell[j].move("RIGHT", 100);
                            cellNull.setLocation(x, y);
                            break;//找到后跳出for循环
                        }
                    }
                }
            } else if (direction == 1) {//RIGHT
                x += 100;
                if (test(x, y)) {
                    for (int j = 0; j < 8; j++) {
                        if ((cell[j].getBounds().x == x) && (cell[j].getBounds().y == y)) {
                            cell[j].move("LEFT", 100);
                            cellNull.setLocation(x, y);
                            break;
                        }
                    }
                }
            } else if (direction == 2) {//UP
                y -= 100;
                if (test(x, y)) {
                    for (int j = 0; j < 8; j++) {
                        if ((cell[j].getBounds().x == x) && (cell[j].getBounds().y == y)) {
                            cell[j].move("DOWN", 100);
                            cellNull.setLocation(x, y);
                            break;
                        }
                    }
                }
            } else {//DOWN
                y += 100;
                if (test(x, y)) {
                    for (int j = 0; j < 8; j++) {
                        if ((cell[j].getBounds().x == x) && (cell[j].getBounds().y == y)) {
                            cell[j].move("UP", 100);
                            cellNull.setLocation(x, y);
                            break;
                        }
                    }
                }
            }

        }

        if (!hasAddActionListener)//如果尚未添加动作事件，则添加
        {
            for (int i = 0; i < 8; i++)//为第个方格添加动作事件，这样单击按钮就能移动了
            {
                cell[i].addMouseListener(this);
            }
        }
        hasAddActionListener = true;
    }

    private boolean test(int x, int y) {
        if ((x >= 0 && x <= 200) || (y >= 0 && y <= 200)) {
            return true;
        } else {
            return false;
        }
    }
// public void paint(Graphics g){
//
// for(int i=0;i<=300;i+=100)
// g.drawLine(0, i, 300, i);
// for(int i=0;i<=300;i+=100)
// g.drawLine(i, 0, i, 300);
// for(int i=0;i<8;i++)
// cell[i].repaint();
// }

    public void mouseClicked(MouseEvent arg0) {
    }

    public void mouseEntered(MouseEvent arg0) {
    }

    public void mouseExited(MouseEvent arg0) {
    }

    public void mouseReleased(MouseEvent arg0) {
    }

    public void mousePressed(MouseEvent arg0) {//方格的鼠标事件，因为用到了MyCanvas中的一些方法，因此没有在Cell类中处理鼠标事件
        Cell button = (Cell) arg0.getSource();
        int x1 = button.getBounds().x;//得到所单击方格的坐标
        int y1 = button.getBounds().y;

        int x2 = cellNull.getBounds().x;//得到空方格的坐标
        int y2 = cellNull.getBounds().y;

        if (x1 == x2 && y1 - y2 == 100)//进行比较，如果满足条件则进行交换
        {
            button.move("UP", 100);
        } else if (x1 == x2 && y1 - y2 == -100) {
            button.move("DOWN", 100);
        } else if (x1 - x2 == 100 & y1 == y2) {
            button.move("LEFT", 100);
        } else if (x1 - x2 == -100 && y1 == y2) {
            button.move("RIGHT", 100);
        } else {
            return;//不满足就不进行任何处理
        }
        cellNull.setLocation(x1, y1);
        this.repaint();
        if (this.isFinish()) {//进行是否完成的判断
            JOptionPane.showMessageDialog(this, "恭喜你完成拼图,加油！");
            for (int i = 0; i < 8; i++) {
                cell[i].removeMouseListener(this);//如果已完成，撤消鼠标事件，鼠标单击方格不在起作用
            }
            hasAddActionListener = false;
        }
    }
}

class Cell extends JButton {

    Cell(Icon icon) {//实际为ICON
        super(icon);
        this.setSize(100, 100);
    }

    public void move(String direction, int sleep) {//方格的移动
        if (direction == "UP") {
            this.setLocation(this.getBounds().x, this.getBounds().y - 100);
        } else if (direction == "DOWN") {
            this.setLocation(this.getBounds().x, this.getBounds().y + 100);
        } else if (direction == "LEFT") {
            this.setLocation(this.getBounds().x - 100, this.getBounds().y);
        } else {
            this.setLocation(this.getBounds().x + 100, this.getBounds().y);
        }
    }
}