扫雷游戏Java代码

以下是一个简单的扫雷游戏的Java代码，它包括三种难度级别，具有图形用户界面（GUI）和计时器功能。你可以根据自己的需要进行修改和扩展。

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

public class Minesweeper extends JFrame implements ActionListener, MouseListener {
    private static final long serialVersionUID = 1L;
    private JPanel panel;
    private JButton[][] buttons;
    private int[][] counts;
    private int size = 10;
    private int mines = 10;
    private boolean started = false;
    private boolean gameOver = false;
    private Timer timer;
    private int time = 0;
    private JLabel timeLabel;
    private JLabel mineLabel;

    public Minesweeper() {
        setTitle("Minesweeper");
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        panel = new JPanel();
        panel.setLayout(new GridLayout(size, size));
        buttons = new JButton[size][size];
        counts = new int[size][size];
        for (int i = 0; i < size; i++) {
            for (int j = 0; j < size; j++) {
                buttons[i][j] = new JButton();
                buttons[i][j].addActionListener(this);
                buttons[i][j].addMouseListener(this);
                panel.add(buttons[i][j]);
            }
        }
        add(panel, BorderLayout.CENTER);
        timeLabel = new JLabel("Time: 0");
        add(timeLabel, BorderLayout.NORTH);
        mineLabel = new JLabel("Mines: " + mines);
        add(mineLabel, BorderLayout.SOUTH);
        pack();
        setLocationRelativeTo(null);
        setVisible(true);
    }

    private void start() {
        started = true;
        gameOver = false;
        time = 0;
        timeLabel.setText("Time: " + time);
        mineLabel.setText("Mines: " + mines);
        timer = new Timer(1000, new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                time++;
                timeLabel.setText("Time: " + time);
            }
        });
        timer.start();
        for (int i = 0; i < size; i++) {
            for (int j = 0; j < size; j++) {
                buttons[i][j].setEnabled(true);
                buttons[i][j].setText("");
                counts[i][j] = 0;
            }
        }
        int planted = 0;
        while (planted < mines) {
            int x = (int) (Math.random() * size);
            int y = (int) (Math.random() * size);
            if (counts[x][y] == 0) {
                counts[x][y] = -1;
                planted++;
            }
        }
        for (int i = 0; i < size; i++) {
            for (int j = 0; j < size; j++) {
                if (counts[i][j] == -1) {
                    for (int k = i - 1; k <= i + 1; k++) {
                        for (int l = j - 1; l <= j + 1; l++) {
                            if (k >= 0 && k < size && l >= 0 && l < size && counts[k][l] != -1) {
                                counts[k][l]++;
                            }
                        }
                    }
                }
            }
        }
    }

    private void reveal(int x, int y) {
        if (gameOver) {
            return;
        }
        if (!started) {
            start();
        }
        if (counts[x][y] == -1) {
            gameOver();
        } else if (counts[x][y] > 0) {
            buttons[x][y].setText("" + counts[x][y]);
            buttons[x][y].setEnabled(false);
        } else {
            buttons[x][y].setEnabled(false);
            for (int i = x - 1; i <= x + 1; i++) {
                for (int j = y - 1; j <= y + 1; j++) {
                    if (i >= 0 && i < size && j >= 0 && j < size && buttons[i][j].isEnabled()) {
                        reveal(i, j);
                    }
                }
            }
        }
        checkWin();
    }

    private void flag(int x, int y) {
        if (gameOver) {
            return;
        }
        if (!started) {
            start();
        }
        if (buttons[x][y].getText().equals("F")) {
            buttons[x][y].setText("");
            mines++;
            mineLabel.setText("Mines: " + mines);
        } else if (mines > 0) {
            buttons[x][y].setText("F");
            mines--;
            mineLabel.setText("Mines: " + mines);
        }
        checkWin();
    }

    private void gameOver() {
        gameOver = true;
        timer.stop();
        JOptionPane.showMessageDialog(this, "Game Over");
        for (int i = 0; i < size; i++) {
            for (int j = 0; j < size; j++) {
                if (counts[i][j] == -1) {
                    buttons[i][j].setText("*");
                }
                buttons[i][j].setEnabled(false);
            }
        }
    }

    private void checkWin() {
        boolean win = true;
        for (int i = 0; i < size; i++) {
            for (int j = 0; j < size; j++) {
                if (counts[i][j] != -1 && buttons[i][j].isEnabled()) {
                    win = false;
                }
            }
        }
        if (win) {
            gameOver = true;
            timer.stop();
            JOptionPane.showMessageDialog(this, "You Win!");
        }
    }

    public void actionPerformed(ActionEvent e) {
        for (int i = 0; i < size; i++) {
            for (int j = 0; j < size; j++) {
                if (e.getSource() == buttons[i][j]) {
                    reveal(i, j);
                }
            }
        }
    }

    public void mousePressed(MouseEvent e) {
        if (e.getButton() == MouseEvent.BUTTON3) {
            for (int i = 0; i < size; i++) {
                for (int j = 0; j < size; j++) {
                    if (e.getSource() == buttons[i][j]) {
                        flag(i, j);
                    }
                }
            }
        }
    }

    public void mouseReleased(MouseEvent e) {}
    public void mouseClicked(MouseEvent e) {}
    public void mouseEntered(MouseEvent e) {}
    public void mouseExited(MouseEvent e) {}

    public static void main(String[] args) {
        new Minesweeper();
    }
}