代码
package com.atguigu.java4;/*** @author zyz* @version 1.0* @data /2/20 14:55* @Description:*/import javax.swing.*;import java.awt.*;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.util.Random;class MineSweeper extends JFrame {private JButton[][] buttons; private int[][] mines; private int[][] counts; private int row; private int col; private int mineNum; private int count; private boolean isGameOver;public MineSweeper(int row, int col, int mineNum) {this.row = row;this.col = col;this.mineNum = mineNum;this.count = 0;this.isGameOver = false;this.buttons = new JButton[row][col];this.mines = new int[row][col];this.counts = new int[row][col];initMines();initCounts();initFrame();}private void initMines() {Random random = new Random();int num = 0;while (num < mineNum) {int x = random.nextInt(row);int y = random.nextInt(col);if (mines[x][y] == 0) {mines[x][y] = 1;num++;}}}private void initCounts() {for (int i = 0; i < row; i++) {for (int j = 0; j < col; j++) {if (mines[i][j] == 1) {counts[i][j] = -1;} else {int count = 0;if (i > 0 && j > 0 && mines[i - 1][j - 1] == 1) {count++;}if (i > 0 && mines[i - 1][j] == 1) {count++;}if (i > 0 && j < col - 1 && mines[i - 1][j + 1] == 1) {count++;}if (j > 0 && mines[i][j - 1] == 1) {count++;}if (j < col - 1 && mines[i][j + 1] == 1) {count++;}if (i < row - 1 && j > 0 && mines[i + 1][j - 1] == 1) {count++;}if (i < row - 1 && mines[i + 1][j] == 1) {count++;}if (i < row - 1 && j < col - 1 && mines[i + 1][j + 1] == 1) {count++;}counts[i][j] = count;}}}}private void initFrame() {this.setTitle("扫雷");this.setSize(col * 50, row * 50);this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);this.setLayout(new GridLayout(row, col));for (int i = 0; i < row; i++) {for (int j = 0; j < col; j++) {buttons[i][j] = new JButton();buttons[i][j].setBackground(Color.GRAY);buttons[i][j].addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {JButton button = (JButton) e.getSource();int x = 0;int y = 0;for (int i = 0; i < row; i++) {for (int j = 0; j < col; j++) {if (buttons[i][j] == button) {x = i;y = j;break;}}}if (mines[x][y] == 1) {button.setBackground(Color.RED);isGameOver = true;} else {button.setText(String.valueOf(counts[x][y]));button.setEnabled(false);count++;}if (count == row * col - mineNum) {JOptionPane.showMessageDialog(null, "恭喜你，你赢了！");isGameOver = true;}if (isGameOver) {for (int i = 0; i < row; i++) {for (int j = 0; j < col; j++) {if (mines[i][j] == 1) {buttons[i][j].setBackground(Color.RED);}buttons[i][j].setEnabled(false);}}}}});this.add(buttons[i][j]);}}this.setVisible(true);}public static void main(String[] args) {new MineSweeper(10, 10, 10);}}
测试
踩到雷会爆红
