完成五子棋

[java]代码库
第一个文件：
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
/*
五子棋-主框架类, 程序启动类
 */
public class StartChessJFrame extends JFrame {
    private ChessBoard chessBoard;//对战面板
    private JPanel toolbar;//工具条面板
         
    private JButton startButton, backButton, exitButton;
    //重新开始按钮，悔棋按钮，和退出按钮
     
    private JMenuBar menuBar;//菜单栏
    private JMenu sysMenu;//系统菜单
    private JMenuItem startMenuItem, exitMenuItem, backMenuItem;
    //重新开始，退出，和悔棋菜单项    
     
    public StartChessJFrame() {
        setTitle("单机版五子棋");//设置标题
        chessBoard = new ChessBoard();//初始化面板对象
        // 创建和添加菜单
        menuBar = new JMenuBar();//初始化菜单栏
        sysMenu = new JMenu("系统");//初始化菜单
        startMenuItem = new JMenuItem("重新开始");
        exitMenuItem = new JMenuItem("退出");
        backMenuItem = new JMenuItem("悔棋");//初始化菜单项
        sysMenu.add(startMenuItem);//将三个菜单项添加到菜单上
        sysMenu.add(backMenuItem);
        sysMenu.add(exitMenuItem);
        MyItemListener lis = new MyItemListener();//初始化按钮事件监听器内部类
        this.startMenuItem.addActionListener(lis);//将三个菜单项注册到事件监听器上
        backMenuItem.addActionListener(lis);
        exitMenuItem.addActionListener(lis);
 
        menuBar.add(sysMenu);//将系统菜单添加到菜单栏上
        setJMenuBar(menuBar);// 将menuBar设置为菜单栏
 
        toolbar = new JPanel();//工具面板栏实例化
        startButton = new JButton("重新开始");//三个按钮初始化
        backButton = new JButton("悔棋");
        exitButton = new JButton("退出");
        toolbar.setLayout(new FlowLayout(FlowLayout.LEFT));//将工具面板按钮用FlowLayout布局
        toolbar.add(startButton);//将三个按钮添加到工具面板上
        toolbar.add(backButton);
        toolbar.add(exitButton);
        startButton.addActionListener(lis);//将三个按钮注册监听事件
        backButton.addActionListener(lis);
        exitButton.addActionListener(lis);
        add(toolbar, BorderLayout.SOUTH);//将工具面板布局到界面"南"方也就是下面
        add(chessBoard);//将面板对象添加到窗体上
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//设置界面关闭事件
        //setSize(800,800);
        pack(); // 自适应大小
    }
 
    private class MyItemListener implements ActionListener {//事件监听器内部类
 
        public void actionPerformed(ActionEvent e) {
            Object obj = e.getSource(); // 取得事件源
            if (obj == StartChessJFrame.this.startMenuItem || obj == startButton) { 
                // 重新开始
              // JFiveFrame.this内部类引用外部类
                System.out.println("重新开始...");
                chessBoard.restartGame();
 
            } else if (obj == exitMenuItem || obj == exitButton) {
                System.exit(0); // 结束应用程序
            } else if (obj == backMenuItem || obj == backButton) { // 悔棋
                System.out.println("悔棋...");
                chessBoard.goback();
            }
        }
    }
    public static void main(String[] args) {
        StartChessJFrame f = new StartChessJFrame(); // 创建主框架
        f.setVisible(true); // 显示主框架
    }
}
 
第二个文件：
import java.awt.Color;
 
/*五子棋的棋子设计。
 */
public class Point {
    private int x; // 棋盘中的x索引
    private int y; // 棋盘中的y索引
    private Color color;//颜色
    public static final int DIAMETER = 30;//直径
    public Point(int x, int y, Color color) {
        this.x = x;
        this.y = y;
        this.color = color;
    }
    public int getX() {// 拿到棋盘中的x索引
        return x;
    }
    public int getY() {// 拿到棋盘中的Y索引
        return y;
    }
    public Color getColor() {//得到颜色
        return color;
    }
}
 
第三个文件：
import javax.swing.*;
import java.awt.*;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.awt.event.MouseEvent;
/*
 
 五子棋-棋盘类
 */
public class ChessBoard extends JPanel implements MouseListener {
    public static final int MARGIN = 30; // 边距
    public static final int GRID_SPAN = 35; // 网格间距
    public static final int ROWS = 15;//棋盘行数
    public static final int COLS = 15;//棋盘列数
 
    Point[] chessList = new Point[(ROWS + 1) * (COLS + 1)]; // 初始每个数组元素为null
    boolean isBlack = true;//默然开始是黑棋先下
    boolean gameOver = false;// 游戏是否结束
    int chessCount; // 当前棋盘的棋子个数
    int xIndex, yIndex; // 当前刚下的棋子的索引
 
    public ChessBoard() {
        setBackground(Color.ORANGE);//设置背景颜色为橘黄色
        addMouseListener(this);// 添加监听器
        addMouseMotionListener(new MouseMotionListener() { // 匿名内部类
            public void mouseDragged(MouseEvent e) {
            }
 
            public void mouseMoved(MouseEvent e) {
                int x1 = (e.getX() - MARGIN + GRID_SPAN / 2) / GRID_SPAN; 
                // 将鼠标点击的坐标位置转换成网格索引。
                int y1 = (e.getY() - MARGIN + GRID_SPAN / 2) / GRID_SPAN;
                // 游戏已经结束，不能下
                // 落在棋盘外，不能下
                // x,y位置已经有棋子存在，不能下
                if (x1 < 0 || x1 > ROWS || y1 < 0 || y1 > COLS || gameOver
                        || findChess(x1, y1))
                    setCursor(new Cursor(Cursor.DEFAULT_CURSOR)); // 设置成默认形状
                else
                    setCursor(new Cursor(Cursor.HAND_CURSOR)); // 设置成手型
            }
        });
    }
 
    // 绘制
    public void paintComponent(Graphics g) {
        super.paintComponent(g);
        // 画棋盘
        for (int i = 0; i <= ROWS; i++) { // 画横线
            g.drawLine(MARGIN, MARGIN + i * GRID_SPAN, MARGIN + COLS
                    * GRID_SPAN, MARGIN + i * GRID_SPAN);
        }
        for (int i = 0; i <= COLS; i++) {// 画直线
            g.drawLine(MARGIN + i * GRID_SPAN, MARGIN, MARGIN + i * GRID_SPAN,
                    MARGIN + ROWS * GRID_SPAN);
        }
        // 画棋子
        for (int i = 0; i < chessCount; i++) {
            int xPos = chessList[i].getX() * GRID_SPAN + MARGIN; // 网格交叉点的x坐标
            int yPos = chessList[i].getY() * GRID_SPAN + MARGIN;// 网格交叉点的y坐标
            g.setColor(chessList[i].getColor()); // 设置颜色
            g.fillOval(xPos - Point.DIAMETER / 2, yPos - Point.DIAMETER / 2,
                    Point.DIAMETER, Point.DIAMETER);
            // 标记最后一个棋子的红矩形框
            if (i == chessCount - 1) { // 最后一个棋子
                g.setColor(Color.red);
                g.drawRect(xPos - Point.DIAMETER / 2,
                        yPos - Point.DIAMETER / 2, Point.DIAMETER,
                        Point.DIAMETER);
            }
        }
 
    }
 
    public void mousePressed(MouseEvent e) {// 鼠标按键在组件上按下时调用。
        // 游戏已经结束，不能下
        if (gameOver)
            return;
        String colorName = isBlack ? "黑棋" : "白棋";
 
        xIndex = (e.getX() - MARGIN + GRID_SPAN / 2) / GRID_SPAN; // 将鼠标点击的坐标位置转换成网格索引。
        yIndex = (e.getY() - MARGIN + GRID_SPAN / 2) / GRID_SPAN;
 
        // 落在棋盘外，不能下
        if (xIndex < 0 || xIndex > ROWS || yIndex < 0 || yIndex > COLS)
            return;
        // x,y位置已经有棋子存在，不能下
        if (findChess(xIndex, yIndex))
            return;
 
        Point ch = new Point(xIndex, yIndex, isBlack ? Color.black: Color.white);
        chessList[chessCount++] = ch;
        repaint(); // 通知系统重新绘制
        if (isWin()) {
            // 给出胜利信息,不能再继续下棋
            String msg = String.format("恭喜，%s赢了！", colorName);
            JOptionPane.showMessageDialog(this, msg);
            gameOver = true;
        }
        isBlack = !isBlack;
    }
 
    // 覆盖MouseListener的方法
    public void mouseClicked(MouseEvent e) {
    } // 鼠标按键在组件上单击（按下并释放）时调用。
 
    public void mouseEntered(MouseEvent e) {
    }// 鼠标进入到组件上时调用。
 
    public void mouseExited(MouseEvent e) {
    }// 鼠标离开组件时调用。
 
    public void mouseReleased(MouseEvent e) {
    } // 鼠标按钮在组件上释放时调用。
 
    // 在棋子数组中查找是否有索引为x,y的棋子存在
    private boolean findChess(int x, int y) {
        for (Point c : chessList) {
            if (c != null && c.getX() == x && c.getY() == y)
                return true;
        }
        return false;
    }
 
    private boolean isWin() {//判断那方赢
        int continueCount = 1; // 连续棋子的个数
        // 横向向西寻找
        for (int x = xIndex - 1; x >= 0; x--) {
            Color c = isBlack ? Color.black : Color.white;
            if (getChess(x, yIndex, c) != null) {
                continueCount++;
            } else
                break;
        }
        // 横向向东寻找
        for (int x = xIndex + 1; x <= ROWS; x++) {
            Color c = isBlack ? Color.black : Color.white;
            if (getChess(x, yIndex, c) != null) {
                continueCount++;
            } else
                break;
        }
        if (continueCount >= 5) {
            return true;
        } else
            continueCount = 1;
 
        // 继续另一种情况的搜索: 纵向
        // 纵向向上寻找
        for (int y = yIndex - 1; y >= 0; y--) {
            Color c = isBlack ? Color.black : Color.white;
            if (getChess(xIndex, y, c) != null) {
                continueCount++;
            } else
                break;
        }
        // 纵向向下寻找
        for (int y = yIndex + 1; y <= ROWS; y++) {
            Color c = isBlack ? Color.black : Color.white;
            if (getChess(xIndex, y, c) != null) {
                continueCount++;
            } else
                break;
        }
        if (continueCount >= 5) {
            return true;
        } else
            continueCount = 1;
 
        // 继续另一种情况的搜索: 斜向
        // 东北寻找
        for (int x = xIndex + 1, y = yIndex - 1; y >= 0 && x <= COLS; x++, y--) {
            Color c = isBlack ? Color.black : Color.white;
            if (getChess(x, y, c) != null) {
                continueCount++;
            } else
                break;
        }
        // 西南寻找
        for (int x = xIndex - 1, y = yIndex + 1; y <= ROWS && x >= 0; x--, y++) {
            Color c = isBlack ? Color.black : Color.white;
            if (getChess(x, y, c) != null) {
                continueCount++;
            } else
                break;
        }
        if (continueCount >= 5) {
            return true;
        } else
            continueCount = 1;
 
        // 继续另一种情况的搜索: 斜向
        // 西北寻找
        for (int x = xIndex - 1, y = yIndex - 1; y >= 0 && x >= 0; x--, y--) {
            Color c = isBlack ? Color.black : Color.white;
            if (getChess(x, y, c) != null) {
                continueCount++;
            } else
                break;
        }
        // 西南寻找
        for (int x = xIndex + 1, y = yIndex + 1; y <= ROWS && x <= COLS; x++, y++) {
            Color c = isBlack ? Color.black : Color.white;
            if (getChess(x, y, c) != null) {
                continueCount++;
            } else
                break;
        }
        if (continueCount >= 5) {
            return true;
        } else
            continueCount = 1;
 
        return false;
    }
 
    private Point getChess(int xIndex, int yIndex, Color color) {
        for (Point c : chessList) {
            if (c != null && c.getX() == xIndex && c.getY() == yIndex
                    && c.getColor() == color)
                return c;
        }
        return null;
    }
 
    public void restartGame() {
        // 清除棋子
        for (int i = 0; i < chessList.length; i++)
            chessList[i] = null;
        // 恢复游戏相关的变量值
        isBlack = true;
        gameOver = false;// 游戏是否结束
        chessCount = 0; // 当前棋盘的棋子个数
        repaint();
 
    }
 
    // 悔棋
    public void goback() {
        if (chessCount == 0)
            return;
 
        chessList[chessCount - 1] = null;
        chessCount--;
        if (chessCount > 0) {
            xIndex = chessList[chessCount - 1].getX();
            yIndex = chessList[chessCount - 1].getY();
        }
        isBlack = !isBlack;
        repaint();
    }
 
    // Dimension: 矩形
    public Dimension getPreferredSize() {
        return new Dimension(MARGIN * 2 + GRID_SPAN * COLS, MARGIN * 2
                + GRID_SPAN * ROWS);
    }
 
}
用户注册

用户登录

发表随想

该用户最新代码

编程随想

[java]代码库

网友评论 (发表评论)

回复评论

回复评论

回复评论

发表评论：

评论须知：

扫码下载

输入口令后可复制整站源码
