Java实现俄罗斯方块基础框架

package work;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.*;
import javax.swing.Timer;
public class Tetris extends JFrame {
    public Tetris() {
        Tetrisblok a = new Tetrisblok();
        addKeyListener(a);
        add(a);
    }
    public static void main(String[] args) {
        Tetris frame = new Tetris();
        JMenuBar menu = new JMenuBar();
        frame.setJMenuBar(menu);
//        JMenu game = new JMenu("游戏");
//        JMenuItem newgame = game.add("新游戏");
//        JMenuItem pause = game.add("暂停");
//        JMenuItem goon = game.add("继续");
//        JMenuItem exit = game.add("退出");
//        JMenu help = new JMenu("帮助");
//        JMenuItem about = help.add("关于");
//        menu.add(game);
//        menu.add(help);
        frame.setLocationRelativeTo(null);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);