具体代码如下所示

黑子和白子可以自定义，将下方图片路径修改为你的路径即可

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

public class GomokuGame extends JFrame {
    private static final int BOARD_SIZE = 15;
    private static final int CELL_SIZE = 40;
    private static final int BOARD_OFFSET = 20;

    private enum Player { BLACK, WHITE }

    private Player currentPlayer;
    private JButton[][] board;

    private ImageIcon blackIcon;
    private ImageIcon whiteIcon;

    public GomokuGame() {
        setTitle("老杨大战老云，谁将获得版权费用？");
        setSize(BOARD_SIZE * CELL_SIZE + BOARD_OFFSET, BOARD_SIZE * CELL_SIZE + BOARD_OFFSET);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setLocationRelativeTo(null);

        currentPlayer = Player.BLACK;

        blackIcon = new ImageIcon("在这里输入你的图片路径（黑子）");
        blackIcon.setImage(blackIcon.getImage().getScaledInstance(CELL_SIZE, CELL_SIZE, Image.SCALE_DEFAULT));

        whiteIcon = new ImageIcon("在这里输入你的图片路径（白子）");
        whiteIcon.setImage(whiteIcon.getImage().getScaledInstance(CELL_SIZE, CELL_SIZE, Image.SCALE_DEFAULT));

        initializeBoard();
    }

    private void initializeBoard() {
        setLayout(new GridLayout(BOARD_SIZE, BOARD_SIZE));
        board = new JButton[BOARD_SIZE][BOARD_SIZE];

        for (int i = 0; i < BOARD_SIZE; i++) {
            for (int j = 0; j < BOARD_SIZE; j++) {
                JButton cell = new JButton();
                cell.setPreferredSize(new Dimension(CELL_SIZE, CELL_SIZE));
                cell.setBackground(new Color(139, 69, 19));
                cell.setBorder(BorderFactory.createLineBorder(Color.BLACK));
                cell.addMouseListener(new CellClickListener(i, j));
                board[i][j] = cell;
                add(cell);
            }
        }
    }

    private class CellClickListener extends MouseAdapter {
        private int row, col;

        public CellClickListener(int row, int col) {
            this.row = row;
            this.col = col;
        }

        @Override
        public void mouseClicked(MouseEvent e) {
            JButton cell = (JButton) e.getComponent();

            if (cell.getBackground().equals(new Color(139, 69, 19))) {
                if (currentPlayer == Player.BLACK) {
                    cell.setIcon(blackIcon);
                    checkWin(row, col, blackIcon);
                    currentPlayer = Player.WHITE;
                } else {
                    cell.setIcon(whiteIcon);
                    checkWin(row, col, whiteIcon);
                    currentPlayer = Player.BLACK;
                }
                cell.setBackground(null);
            }
        }
    }

    private boolean checkDirection(int row, int col, int rowIncrement, int colIncrement, ImageIcon icon) {
        int count = 0;

        for (int i = -4; i <= 4; i++) {
            int newRow = row + i * rowIncrement;
            int newCol = col + i * colIncrement;

            if (newRow >= 0 && newRow < BOARD_SIZE && newCol >= 0 && newCol < BOARD_SIZE) {
                if (board[newRow][newCol].getIcon() == icon) {
                    count++;
                    if (count == 5) {
                        return true;
                    }
                } else {
                    count = 0;
                }
            } else {
                count = 0;
            }
        }

        return false;
    }

    private void checkWin(int row, int col, ImageIcon icon) {
        if (checkDirection(row, col, 1, 0, icon) ||
                checkDirection(row, col, 0, 1, icon) ||
                checkDirection(row, col, 1, 1, icon) ||
                checkDirection(row, col, 1, -1, icon)) {
            JOptionPane.showMessageDialog(GomokuGame.this, icon == blackIcon ? "老杨获胜" : "老云获胜");
            resetBoard();
        }
    }

    private void resetBoard() {
        for (int i = 0; i < BOARD_SIZE; i++) {
            for (int j = 0; j < BOARD_SIZE; j++) {
                board[i][j].setIcon(null);
                board[i][j].setBackground(new Color(139, 69, 19));
            }
        }
        currentPlayer = Player.BLACK;
    }

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