javaswing五子棋

以下是一个使用Java Swing实现的五子棋游戏的示例：

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

public class Gobang extends JFrame {
    private static final int ROWS = 15;
    private static final int COLS = 15;
    private static final int CELL_SIZE = 30;
    private static final int WIDTH = COLS * CELL_SIZE;
    private static final int HEIGHT = ROWS * CELL_SIZE;

    private boolean isBlackTurn = true;
    private boolean gameOver = false;
    private int[][] board = new int[ROWS][COLS];

    public Gobang() {
        setTitle("Java Swing 五子棋");
        setSize(WIDTH, HEIGHT);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setLocationRelativeTo(null);
        setResizable(false);

        BoardPanel boardPanel = new BoardPanel();
        add(boardPanel);

        boardPanel.addMouseListener(new MouseAdapter() {
            @Override
            public void mouseClicked(MouseEvent e) {
                if (gameOver) {
                    return;
                }

                int x = e.getX() / CELL_SIZE;
                int y = e.getY() / CELL_SIZE;

                if (x >= 0 && x < COLS && y >= 0 && y < ROWS && board[y][x] == 0) {
                    board[y][x] = isBlackTurn ? 1 : 2;
                    isBlackTurn = !isBlackTurn;
                    boardPanel.repaint();

                    if (checkWin(x, y)) {
                        String winner = isBlackTurn ? "白棋" : "黑棋";
                        JOptionPane.showMessageDialog(null, winner + "获胜！");
                        gameOver = true;
                    }
                }
            }
        });
    }

    private boolean checkWin(int x, int y) {
        int color = isBlackTurn ? 1 : 2;

        // 水平方向
        int count = 1;
        for (int i = x - 1; i >= 0 && board[y][i] == color; i--) {
            count++;
        }
        for (int i = x + 1; i < COLS && board[y][i] == color; i++) {
            count++;
        }
        if (count >= 5) {
            return true;
        }

        // 垂直方向
        count = 1;
        for (int i = y - 1; i >= 0 && board[i][x] == color; i--) {
            count++;
        }
        for (int i = y + 1; i < ROWS && board[i][x] == color; i++) {
            count++;
        }
        if (count >= 5) {
            return true;
        }

        // 左上到右下方向
        count = 1;
        for (int i = x - 1, j = y - 1; i >= 0 && j >= 0 && board[j][i] == color; i--, j--) {
            count++;
        }
        for (int i = x + 1, j = y + 1; i < COLS && j < ROWS && board[j][i] == color; i++, j++) {
            count++;
        }
        if (count >= 5) {
            return true;
        }

        // 右上到左下方向
        count = 1;
        for (int i = x + 1, j = y - 1; i < COLS && j >= 0 && board[j][i] == color; i++, j--) {
            count++;
        }
        for (int i = x - 1, j = y + 1; i >= 0 && j < ROWS && board[j][i] == color; i--, j++) {
            count++;
        }
        if (count >= 5) {
            return true;
        }

        return false;
    }

    private class BoardPanel extends JPanel {
        @Override
        protected void paintComponent(Graphics g) {
            super.paintComponent(g);

            g.setColor(Color.BLACK);
            for (int i = 0; i <= ROWS; i++) {
                g.drawLine(0, i * CELL_SIZE, WIDTH, i * CELL_SIZE);
            }
            for (int i = 0; i <= COLS; i++) {
                g.drawLine(i * CELL_SIZE, 0, i * CELL_SIZE, HEIGHT);
            }

            for (int i = 0; i < ROWS; i++) {
                for (int j = 0; j < COLS; j++) {
                    if (board[i][j] == 1) {
                        g.setColor(Color.BLACK);
                        g.fillOval(j * CELL_SIZE + 2, i * CELL_SIZE + 2, CELL_SIZE - 4, CELL_SIZE - 4);
                    } else if (board[i][j] == 2) {
                        g.setColor(Color.WHITE);
                        g.fillOval(j * CELL_SIZE + 2, i * CELL_SIZE + 2, CELL_SIZE - 4, CELL_SIZE - 4);
                    }
                }
            }
        }
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(() -> {
            Gobang gobang = new Gobang();
            gobang.setVisible(true);
        });
    }
}