Java实现2048小游戏（可直接运行）

运行效果：

1.项目结构

2.代码

BaseData接口

package com.hsy.game;

import java.awt.*;

public interface BaseData {
 Font topicFont = new Font("微软雅黑", Font.BOLD, 50);
 Font scoreFont = new Font("微软雅黑", Font.BOLD, 28);
 Font normalFont = new Font("宋体", Font.PLAIN, 20);
 Font font1 = new Font("宋体", Font.BOLD, 46);
 Font font2 = new Font("宋体", Font.BOLD, 40);
 Font font3 = new Font("宋体", Font.BOLD, 34);
 Font font4 = new Font("宋体", Font.BOLD, 28);
 Font font5 = new Font("宋体", Font.BOLD, 22);
 int normalFontData = 20;
 int topicFontData = 30;

 void init();
 void showView();
}

GameView类

package com.hsy.game;

import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;


public class GameView implements BaseData{
 private static final int jFrameWidth = 400;
 private static final int jFrameHeight = 530;
 private static int score = 0;

 private JFrame jFrameMain;
 private JLabel jLblTitle;
 private JLabel jLblScoreName;
 private JLabel jLblScore;
 private GameBoard gameBoard;


 private JLabel jlblTip;

 public GameView() {
  init();
 }

 @Override
 public void init() {
  jFrameMain = new JFrame("2048小游戏");
  jFrameMain.setSize(jFrameWidth, jFrameHeight);
  jFrameMain.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  jFrameMain.setLocationRelativeTo(null);
  jFrameMain.setResizable(false);
  jFrameMain.setLayout(null);

  jLblTitle = new JLabel("2048", JLabel.CENTER);
  jLblTitle.setFont(topicFont);
  jLblTitle.setForeground(Color.BLACK);
  jLblTitle.setBounds(50, 0, 150, 60);
  jFrameMain.add(jLblTitle);


  // 分数区
  jLblScoreName = new JLabel("得 分", JLabel.CENTER);
  jLblScoreName.setFont(scoreFont);
  jLblScoreName.setForeground(Color.WHITE);
  jLblScoreName.setOpaque(true);
  jLblScoreName.setBackground(Color.GRAY);
  jLblScoreName.setBounds(250, 0, 120, 30);
  jFrameMain.add(jLblScoreName);

  jLblScore = new JLabel("0", JLabel.CENTER);
  jLblScore.setFont(scoreFont);
  jLblScore.setForeground(Color.WHITE);
  jLblScore.setOpaque(true);
  jLblScore.setBackground(Color.GRAY);
  jLblScore.setBounds(250, 30, 120, 30);
  jFrameMain.add(jLblScore);

  // 说明：
  jlblTip = new JLabel("操作: ↑ ↓ ← →, 按esc键重新开始 ",
    JLabel.CENTER);
  jlblTip.setFont(normalFont);
  jlblTip.setForeground(Color.DARK_GRAY);
  jlblTip.setBounds(0, 60, 400, 40);
  jFrameMain.add(jlblTip);

  gameBoard = new GameBoard();
  gameBoard.setBounds(0, 100, 400, 400);
  gameBoard.setBackground(Color.GRAY);
  gameBoard.setFocusable(true);
  gameBoard.setLayout(new FlowLayout());
  jFrameMain.add(gameBoard);
 }

 // 游戏面板需要对键值实现侦听，
 // 这里采用内部类来继承 JPanel 类，
 // 并实现接口 KeyListener 中的 keyPressed 方法，
 // 方格是通过
 @SuppressWarnings("serial")
 class GameBoard extends JPanel implements KeyListener {
  private static final int CHECK_GAP = 10;
  private static final int CHECK_ARC = 20;
  private static final int CHECK_SIZE = 86;

  private Check[][] checks = new Check[4][4];
  private boolean isAdd = true;

  public GameBoard() {
   initGame();
   addKeyListener(this);
  }

  @Override
  public void keyPressed(KeyEvent e) {
   switch (e.getKeyCode()) {
    case KeyEvent.VK_ESCAPE:
     initGame();
     break;
    case KeyEvent.VK_LEFT:
     moveLeft();
     createCheck();
     judgeGameOver();
     break;
    case KeyEvent.VK_RIGHT:
     moveRight();
     createCheck();
     judgeGameOver();
     break;
    case KeyEvent.VK_UP:
     moveUp();
     createCheck();
     judgeGameOver();
     break;
    case KeyEvent.VK_DOWN:
     moveDown();
     createCheck();
     judgeGameOver();
     break;
    default:
     break;
   }
   repaint();
  }

  private void initGame() {
   score = 0;
   for (int indexRow = 0; indexRow < 4; indexRow++) {
    for (int indexCol = 0; indexCol < 4; indexCol++) {
     checks[indexRow][indexCol] = new Check();
    }
   }
   // 生成两个数
   isAdd = true;
   createCheck();
   isAdd = true;
   createCheck();
  }

  private void createCheck() {
   List<Check> list = getEmptyChecks();

   if (!list.isEmpty() && isAdd) {
    Random random = new Random();
    int index = random.nextInt(list.size());
    Check check = list.get(index);
    // 2, 4出现概率3:1
    check.value = (random.nextInt(4) % 3 == 0) ? 2 : 4;
    isAdd = false;
   }
  }

  // 获取空白方格
  private List<Check> getEmptyChecks() {
   List<Check> checkList = new ArrayList<>();
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