今天翻了翻电脑, 突然看到这个小东西, 拿来和大家分享一下
import java.awt.Color; import java.awt.Font; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.util.Random; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.SwingConstants; import javax.swing.border.EmptyBorder; /** * @author 吴庆龙 */ public class Game_2048 { private JFrame jf = null; private JPanel contentPane = null; private int[][] num = new int[4][4]; private JLabel[][] labels = new JLabel[4][4]; private Random r = new Random(); boolean flag = false; boolean isWin = false; public static void main(String[] args) { new Game_2048().go(); } public void go() { jf = new JFrame("2048小游戏"); jf.setResizable(false); init(); initNum(); jf.setVisible(true); jf.addKeyListener(new MyKeyListener()); jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); /** * 开启一个线程用来判断用户的输赢的 */ new Thread(new Runnable() { @Override public void run() { while (true) { int length = num.length; while (!isWin) { int count = 0; for (int i = 0; i < length; i++) { for (int j = 0; j < length - 1; j++) { if (num[i][j] != num[i][j + 1] && num[i][j] != 0 && num[i][j + 1] != 0) { count++; } } } for (int i = 0; i < length; i++) { for (int j = 0; j < length - 1; j++) { if (num[j][i] != num[j + 1][i] && num[j][i] != 0 && num[j + 1][i] != 0) { count++; } } } for (int i = 0; i < length; i++) { for (int j = 0; j < length - 1; j++) { if (num[j][i] == 2048) { JOptionPane.showMessageDialog(jf, "你是王者!"); isWin = true; } } } if (count == 24) { JOptionPane.showMessageDialog(jf, "没关系,再来一次"); isWin = true; } } } } }).start(); } /** * 初始化JLabel */ public void initNum() { for (int i = 0; i < labels.length; i++) { for (int j = 0; j < labels[i].length; j++) { if (num[i][j] != 0) { labels[i][j].setText(num[i][j] + ""); if (num[i][j] == 2) { labels[i][j].setBackground(new Color(255, 255, 0)); } else if (num[i][j] == 4) { labels[i][j].setBackground(new Color(223, 159, 0)); } else if (num[i][j] == 8) { labels[i][j].setBackground(new Color(231, 69, 8)); } else if (num[i][j] == 16) { labels[i][j].setBackground(new Color(102, 118, 151)); } else if (num[i][j] == 32) { labels[i][j].setBackground(new Color(43, 68, 235)); } else if (num[i][j] == 64) { labels[i][j].setBackground(new Color(255, 0, 255)); } else if (num[i][j] == 128) { labels[i][j].setBackground(new Color(255, 80, 6)); } else if (num[i][j] == 256) { labels[i][j].setBackground(new Color(6, 219, 0)); } else if (num[i][j] == 512) { labels[i][j].setBackground(new Color(205, 254, 104)); } else if (num[i][j] == 1024) { labels[i][j].setBackground(new Color(165, 165, 165)); } else if (num[i][j] == 2048) { labels[i][j].setBackground(new Color(232, 192, 58)); } else if (num[i][j] == 4096) { labels[i][j].setBackground(new Color(255, 80, 6)); } } else { labels[i][j].setText(""); labels[i][j].setBackground(new Color(255, 255, 255)); } } } } /** * 初始化界面 */ public void init() { num[r.nextInt(4)][r.nextInt(4)] = 2; for (int i = 0; i < labels.length; i++) { for (int j = 0; j < labels[i].length; j++) { labels[i][j] = new JLabel(); } } JMenu menu = new JMenu("重新开始"); menu.addMouseListener(new MouseAdapter() { @Override public void mouseClicked(MouseEvent e) { for (int i = 0; i < num.length; i++) { for (int j = 0; j < num[i].length; j++) { num[i][j] = 0; } } num[r.nextInt(4)][r.nextInt(4)] = 2; initNum(); isWin = false; } }); JMenu help = new JMenu("帮助"); help.addMouseListener(new MouseAdapter() { @Override public void mouseClicked(MouseEvent e) { JOptionPane.showMessageDialog(jf, "用键盘上的:↑ ← → ↓ 来控制移动。"); } }); JMenu about = new JMenu("关于"); about.addMouseListener(new MouseAdapter() { @Override public void mouseClicked(MouseEvent e) { JOptionPane.showMessageDialog(jf, "制作:吴庆龙\nQQ:1554165134"); } }); JMenuBar bar = new JMenuBar(); bar.add(menu); bar.add(help); bar.add(about); jf.setJMenuBar(bar); jf.setFont(null); jf.setBounds(100, 100, 368, 410); contentPane = new JPanel(); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); jf.setContentPane(contentPane); contentPane.setLayout(null); labels[0][0] = new JLabel(); labels[0][0].setOpaque(true); labels[0][0].setFont(new Font("宋体", Font.PLAIN, 40)); labels[0][0].setHorizontalAlignment(SwingConstants.CENTER); labels[0][0].setBounds(0, 0, 85, 85); contentPane.add(labels[0][0]); labels[0][1] = new JLabel(); labels[0][1].setFont(new Font("宋体", Font.PLAIN, 40)); labels[0][1].setOpaque(true); labels[0][1].setHorizontalAlignment(SwingConstants.CENTER); labels[0][1].setBounds(90, 0, 85, 85); contentPane.add(labels[0][1]); labels[0][2] = new JLabel(); labels[0][2].setFont(new Font("宋体", Font.PLAIN, 40)); labels[0][2].setOpaque(true); labels[0][2].setHorizontalAlignment(SwingConstants.CENTER); labels[0][2].setBounds(180, 0, 85, 85); contentPane.add(labels[0][2]); labels[0][3] = new JLabel(); labels[0][3].setFont(new Font("宋体", Font.PLAIN, 40)); labels[0][3].setOpaque(true); labels[0][3].setHorizontalAlignment(SwingConstants.CENTER); labels[0][3].setBounds(270, 0, 85, 85); contentPane.add(labels[0][3]); labels[1][0] = new JLabel(); labels[1][0].setFont(new Font("宋体", Font.PLAIN, 40)); labels[1][0].setOpaque(true); labels[1][0].setHorizontalAlignment(SwingConstants.CENTER); labels[1][0].setBounds(0, 90, 85, 85); contentPane.add(labels[1][0]); labels[1][1] = new JLabel(); labels[1][1].setFont(new Font("宋体", Font.PLAIN, 40)); labels[1][1].setOpaque(true); labels[1][1].setHorizontalAlignment(SwingConstants.CENTER); labels[1][1].setBounds(90, 90, 85, 85); contentPane.add(labels[1][1]); labels[1][2] = new JLabel(); labels[1][2].setFont(new Font("宋体", Font.PLAIN, 40)); labels[1][2].setOpaque(true); labels[1][2].setHorizontalAlignment(SwingConstants.CENTER); labels[1][2].setBounds(180, 90, 85, 85); contentPane.add(labels[1][2]); labels[1][3] = new JLabel(); labels[1][3].setFont(new Font("宋体", Font.PLAIN, 40)); labels[1][3].setOpaque(true); labels[1][3].setHorizontalAlignment(SwingConstants.CENTER); labels[1][3].setBounds(270, 90, 85, 85); contentPane.add(labels[1][3]); labels[2][0] = new JLabel(); labels[2][0].setFont(new Font("宋体", Font.PLAIN, 40)); labels[2][0].setOpaque(true); labels[2][0].setHorizontalAlignment(SwingConstants.CENTER); labels[2][0].setBounds(0, 180, 85, 85); contentPane.add(labels[2][0]); labels[2][1] = new JLabel(); labels[2][1].setFont(new Font("宋体", Font.PLAIN, 40)); labels[2][1].setOpaque(true); labels[2][1].setHorizontalAlignment(SwingConstants.CENTER); labels[2][1].setBounds(90, 180, 85, 85); contentPane.add(labels[2][1]); labels[2][2] = new JLabel(); labels[2][2].setFont(new Font("宋体", Font.PLAIN, 40)); labels[2][2].setOpaque(true); labels[2][2].setHorizontalAlignment(SwingConstants.CENTER); labels[2][2].setBounds(180, 180, 85, 85); contentPane.add(labels[2][2]); labels[2][3] = new JLabel(); labels[2][3].setFont(new Font("宋体", Font.PLAIN, 40)); labels[2][3].setOpaque(true); labels[2][3].setHorizontalAlignment(SwingConstants.CENTER); labels[2][3].setBounds(270, 180, 85, 85); contentPane.add(labels[2][3]); labels[3][0] = new JLabel(); labels[3][0].setFont(new Font("宋体", Font.PLAIN, 40)); labels[3][0].setOpaque(true); labels[3][0].setHorizontalAlignment(SwingConstants.CENTER); labels[3][0].setBounds(0, 270, 85, 85); contentPane.add(labels[3][0]); labels[3][1] = new JLabel(); labels[3][1].setFont(new Font("宋体", Font.PLAIN, 40)); labels[3][1].setOpaque(true); labels[3][1].setHorizontalAlignment(SwingConstants.CENTER); labels[3][1].setBounds(90, 270, 85, 85); contentPane.add(labels[3][1]); labels[3][2] = new JLabel(); labels[3][2].setFont(new Font("宋体", Font.PLAIN, 40)); labels[3][2].setOpaque(true); labels[3][2].setHorizontalAlignment(SwingConstants.CENTER); labels[3][2].setBounds(180, 270, 85, 85); contentPane.add(labels[3][2]); labels[3][3] = new JLabel(); labels[3][3].setFont(new Font("宋体", Font.PLAIN, 40)); labels[3][3].setOpaque(true); labels[3][3].setHorizontalAlignment(SwingConstants.CENTER); labels[3][3].setBounds(270, 270, 85, 85); contentPane.add(labels[3][3]); } /** * 随机产生2或者4 */ public void randomNum() { while (true) { int i = r.nextInt(4); int j = r.nextInt(4); int k = r.nextInt(2); if (k == 1) { if (num[i][j] == 0) { num[i][j] = 4; break; } } if (k == 0) { if (num[i][j] == 0) { num[i][j] = 2; break; } } } } /** * 键盘监听器 * * @author Administrator * */ class MyKeyListener implements KeyListener { @Override public void keyTyped(KeyEvent e) { } @Override public void keyPressed(KeyEvent e) { if (e.getKeyCode() == KeyEvent.VK_UP) { // [0][0] [0][1] [0][2] [0][3] // [1][0] [1][1] [1][2] [1][3] // [2][0] [2][1] [2][2] [2][3] // [3][0] [3][1] [3][2] [3][3] int length = num.length; for (int i = 0; i < length; i++) { for (int j = 0; j < length - 1; j++) { // 中间有一个 0 if (num[j][i] == 0) { for (int j2 = j + 1; j2 < length - 1; j2++) { if (num[j2][i] != 0) { num[j][i] = num[j2][i]; num[j2][i] = 0; flag = true; break; } } } } } for (int i = 0; i < length; i++) { if (num[3][i] != 0) { for (int j2 = 0; j2 < length; j2++) { if (num[j2][i] == 0) { num[j2][i] = num[3][i]; num[3][i] = 0; flag = true; } } } } for (int i = 0; i < length; i++) { for (int j = 0; j < length - 1; j++) { // 中间没有 0 if (num[j][i] == num[j + 1][i] && num[j][i] != 0) { num[j][i] *= 2; for (int j2 = j + 1; j2 < length - 1; j2++) { num[j2][i] = num[j2 + 1][i]; } num[3][i] = 0; flag = true; } } } if (flag) { randomNum(); initNum(); flag = false; } } else if (e.getKeyCode() == KeyEvent.VK_DOWN) { int length = num.length; for (int i = length - 1; i >= 0; i--) { for (int j = length - 1; j >= 0; j--) { // 中间有一个 0 if (num[j][i] == 0) { for (int j2 = j - 1; j2 > 0; j2--) { if (num[j2][i] != 0) { num[j][i] = num[j2][i]; num[j2][i] = 0; flag = true; break; } } } } } for (int i = length - 1; i >= 0; i--) { if (num[0][i] != 0) { for (int j2 = length - 1; j2 > 0; j2--) { if (num[j2][i] == 0) { num[j2][i] = num[0][i]; num[0][i] = 0; flag = true; } } } } for (int i = length - 1; i >= 0; i--) { for (int j = length - 1; j > 0; j--) { // 中间没有 0 if (num[j][i] == num[j - 1][i] && num[j][i] != 0) { num[j][i] *= 2; for (int j2 = j - 1; j2 > 0; j2--) { num[j2][i] = num[j2 - 1][i]; } num[0][i] = 0; flag = true; } } } if (flag) { randomNum(); initNum(); flag = false; } } else if (e.getKeyCode() == KeyEvent.VK_LEFT) { int length = num.length; for (int i = 0; i < length; i++) { for (int j = 0; j < length - 1; j++) { // 中间有一个 0 if (num[i][j] == 0) { for (int j2 = j + 1; j2 < length - 1; j2++) { if (num[i][j2] != 0) { num[i][j] = num[i][j2]; num[i][j2] = 0; flag = true; break; } } } } } for (int i = 0; i < length; i++) { if (num[i][3] != 0) { for (int j2 = 0; j2 < length - 1; j2++) { if (num[i][j2] == 0) { num[i][j2] = num[i][3]; num[i][3] = 0; flag = true; } } } } for (int i = 0; i < length; i++) { for (int j = 0; j < length - 1; j++) { // 中间已经没有 0 了 if (num[i][j] == num[i][j + 1] && num[i][j] != 0) { num[i][j] *= 2; for (int j2 = j + 1; j2 < length - 1; j2++) { num[i][j2] = num[i][j2 + 1]; } num[i][3] = 0; flag = true; } } } if (flag) { randomNum(); initNum(); flag = false; } } else if (e.getKeyCode() == KeyEvent.VK_RIGHT) { int length = num.length; for (int i = 3; i >= 0; i--) { for (int j = 3; j > 0; j--) { // 中间有一个 0 if (num[i][j] == 0) { for (int j2 = j - 1; j2 > 0; j2--) { if (num[i][j2] != 0) { num[i][j] = num[i][j2]; num[i][j2] = 0; flag = true; break; } } } } } for (int i = 3; i >= 0; i--) { if (num[i][0] != 0) { for (int j2 = length - 1; j2 > 0; j2--) { if (num[i][j2] == 0) { num[i][j2] = num[i][0]; num[i][0] = 0; flag = true; } } } } for (int i = length - 1; i >= 0; i--) { for (int j = length - 1; j > 0; j--) { // 中间已经没有 0 了 if (num[i][j] == num[i][j - 1] && num[i][j] != 0) { num[i][j] *= 2; for (int j2 = j - 1; j2 > 0; j2--) { num[i][j2] = num[i][j2 - 1]; } num[i][0] = 0; flag = true; } } } if (flag) { randomNum(); initNum(); flag = false; } } } @Override public void keyReleased(KeyEvent e) { } } }