java五子棋游戏代码

以下是一个简单的 Java 五子棋游戏代码示例，包含了基本的游戏逻辑和界面实现：

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class Gobang extends JFrame implements ActionListener, MouseListener {
    private static final int ROWS = 15;  // 棋盘行数
    private static final int COLS = 15;  // 棋盘列数
    private static final int CELL_SIZE = 30;  // 棋盘格子大小

    private static final int WIDTH = ROWS * CELL_SIZE + 50;  // 窗口宽度
    private static final int HEIGHT = COLS * CELL_SIZE + 70;  // 窗口高度

    private static final int MARGIN = CELL_SIZE / 2;  // 棋盘边缘大小
    private static final int PIECE_SIZE = CELL_SIZE - 10;  // 棋子大小

    private static final int EMPTY = 0;  // 空位置
    private static final int BLACK = 1;  // 黑方
    private static final int WHITE = 2;  // 白方

    private int[][] board = new int[ROWS][COLS];  // 棋盘状态
    private int currentPlayer = BLACK;  // 当前玩家，默认为黑方

    private JLabel statusLabel;  // 状态栏标签

    public Gobang() {
        setTitle("五子棋");  // 设置窗口标题
        setSize(WIDTH, HEIGHT);  // 设置窗口大小
        setResizable(false);  // 禁止调整窗口大小
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);  // 关闭窗口时退出程序

        JPanel boardPanel = new JPanel() {
            @Override
            public void paintComponent(Graphics g) {
                super.paintComponent(g);
                drawBoard(g);
                drawPieces(g);
            }
        };
        boardPanel.setBackground(Color.WHITE);  // 设置背景色
        boardPanel.setPreferredSize(new Dimension(WIDTH, HEIGHT));  // 设置大小
        boardPanel.addMouseListener(this);  // 添加鼠标事件监听器

        statusLabel = new JLabel("黑方先手");
        statusLabel.setFont(new Font("宋体", Font.PLAIN, 16));  // 设置字体大小
        statusLabel.setHorizontalAlignment(SwingConstants.CENTER);  // 居中对齐
        statusLabel.setPreferredSize(new Dimension(WIDTH, 30));  // 设置大小

        Container contentPane = getContentPane();
        contentPane.setLayout(new BorderLayout());
        contentPane.add(boardPanel, BorderLayout.CENTER);
        contentPane.add(statusLabel, BorderLayout.SOUTH);
    }

    // 绘制棋盘
    private void drawBoard(Graphics g) {
        g.setColor(Color.BLACK);
        for (int i = 0; i < ROWS; i++) {
            g.drawLine(MARGIN, MARGIN + i * CELL_SIZE, MARGIN + (COLS - 1) * CELL_SIZE, MARGIN + i * CELL_SIZE);
        }
        for (int i = 0; i < COLS; i++) {
            g.drawLine(MARGIN + i * CELL_SIZE, MARGIN, MARGIN + i * CELL_SIZE, MARGIN + (ROWS - 1) * CELL_SIZE);
        }
    }

    // 绘制棋子
    private void drawPieces(Graphics g) {
        for (int i = 0; i < ROWS; i++) {
            for (int j = 0; j < COLS; j++) {
                int x = MARGIN + i * CELL_SIZE - PIECE_SIZE / 2;
                int y = MARGIN + j * CELL_SIZE - PIECE_SIZE / 2;
                if (board[i][j] == BLACK) {
                    g.setColor(Color.BLACK);
                    g.fillOval(x, y, PIECE_SIZE, PIECE_SIZE);
                } else if (board[i][j] == WHITE) {
                    g.setColor(Color.WHITE);
                    g.fillOval(x, y, PIECE_SIZE, PIECE_SIZE);
                    g.setColor(Color.BLACK);
                    g.drawOval(x, y, PIECE_SIZE, PIECE_SIZE);
                }
            }
        }
    }

    // 判断是否胜利
    private boolean isWin(int row, int col) {
        int count = 1;  // 连续棋子数
        int player = board[row][col];
        // 水平方向
        for (int i = col - 1; i >= 0; i--) {
            if (board[row][i] == player) {
                count++;
            } else {
                break;
            }
        }
        for (int i = col + 1; i < COLS; i++) {
            if (board[row][i] == player) {
                count++;
            } else {
                break;
            }
        }
        if (count >= 5) {
            return true;
        }
        // 垂直方向
        count = 1;
        for (int i = row - 1; i >= 0; i--) {
            if (board[i][col] == player) {
                count++;
            } else {
                break;
            }
        }
        for (int i = row + 1; i < ROWS; i++) {
            if (board[i][col] == player) {
                count++;
            } else {
                break;
            }
        }
        if (count >= 5) {
            return true;
        }
        // 左上到右下方向
        count = 1;
        for (int i = row - 1, j = col - 1; i >= 0 && j >= 0; i--, j--) {
            if (board[i][j] == player) {
                count++;
            } else {
                break;
            }
        }
        for (int i = row + 1, j = col + 1; i < ROWS && j < COLS; i++, j++) {
            if (board[i][j] == player) {
                count++;
            } else {
                break;
            }
        }
        if (count >= 5) {
            return true;
        }
        // 右上到左下方向
        count = 1;
        for (int i = row - 1, j = col + 1; i >= 0 && j < COLS; i--, j++) {
            if (board[i][j] == player) {
                count++;
            } else {
                break;
            }
        }
        for (int i = row + 1, j = col - 1; i < ROWS && j >= 0; i++, j--) {
            if (board[i][j] == player) {
                count++;
            } else {
                break;
            }
        }
        if (count >= 5) {
            return true;
        }
        return false;
    }

    // 判断是否平局
    private boolean isDraw() {
        for (int i = 0; i < ROWS; i++) {
            for (int j = 0; j < COLS; j++) {
                if (board[i][j] == EMPTY) {
                    return false;
                }
            }
        }
        return true;
    }

    // 切换玩家
    private void switchPlayer() {
        if (currentPlayer == BLACK) {
            currentPlayer = WHITE;
            statusLabel.setText("白方落子");
        } else {
            currentPlayer = BLACK;
            statusLabel.setText("黑方落子");
        }
    }

    @Override
    public void actionPerformed(ActionEvent e) {

    }

    @Override
    public void mouseClicked(MouseEvent e) {
        int x = e.getX();
        int y = e.getY();
        int row = (y - MARGIN + CELL_SIZE / 2) / CELL_SIZE;
        int col = (x - MARGIN + CELL_SIZE / 2) / CELL_SIZE;
        if (row >= 0 && row < ROWS && col >= 0 && col < COLS && board[row][col] == EMPTY) {
            board[row][col] = currentPlayer;
            if (isWin(row, col)) {
                JOptionPane.showMessageDialog(this, (currentPlayer == BLACK ? "黑方" : "白方") + "获胜！");
                System.exit(0);
            } else if (isDraw()) {
                JOptionPane.showMessageDialog(this, "平局！");
                System.exit(0);
            } else {
                switchPlayer();
                repaint();
            }
        }
    }

    @Override
    public void mousePressed(MouseEvent e) {

    }

    @Override
    public void mouseReleased(MouseEvent e) {

    }

    @Override
    public void mouseEntered(MouseEvent e) {

    }

    @Override
    public void mouseExited(MouseEvent e) {

    }

    public static void main(String[] args) {
        Gobang game = new Gobang();
        game.setVisible(true);
    }
}

该示例中，使用了 Java 的 Swing 库实现了一个简单的界面，棋盘和棋子的绘制通过 `paintComponent` 方法实现，鼠标事件监听器实现了用户与界面的交互。游戏逻辑包括判断胜利、平局以及切换玩家等。在 `main` 方法中创建游戏实例并显示窗口。