JAVA SE 框架之俄罗斯方块的效果

package com.sun.v;

import javax.swing.JFileChooser;
import javax.swing.JFrame;

/*
 * 这里采用MVC的设计模式，讲逻辑和页面分开，
 */
public class Myjframe extends JFrame{

    public Myjframe(){
        
       this.setTitle("myworld");
       this.setVisible(true);
       this.setSize(400,400);
       this.setDefaultCloseOperation(this.EXIT_ON_CLOSE);
    } 
    
}

package com.sun.v;

import java.awt.Graphics;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

import javax.swing.JPanel;

import com.sun.m.Dog;

public class MyJpanel extends JPanel implements KeyListener,Runnable{

    public MyJpanel() {
        //MyJpanel jp = new MyJpanel();
        Thread td = new Thread(this);
        td.start();
    }

    Dog dog = new Dog(20,20,2);
    
    public void paint(Graphics g){
        super.paint(g);
        g.draw3DRect(dog.x, dog.y,20 ,20, false);
    }

    @Override
    public void keyTyped(KeyEvent e) {
        // TODO Auto-generated method stub
        
    }

    @Override
    public void keyPressed(KeyEvent e) {
        // TODO Auto-generated method stub
        //System.out.println("sunzhiyan");
        switch (e.getKeyCode()){
        case KeyEvent.VK_W:
            dog.direct = 0;
            dog.move(dog.direct);
         break;
        case KeyEvent.VK_D:
            dog.direct = 1;
            dog.move(dog.direct);
         break;
        case KeyEvent.VK_S:
            dog.direct = 2;
            dog.move(dog.direct);
         break;
        case KeyEvent.VK_A:
            dog.direct = 3;
            dog.move(dog.direct);
         break;
        }
        
        this.repaint();
    }

    @Override
    public void keyReleased(KeyEvent e) {
        // TODO Auto-generated method stub
        
    }

    @Override
    public void run() {
        // TODO Auto-generated method stub
        while(true){
            try {
                Thread.sleep(1000);
                //System.out.println("我被调用了");
                dog.direct = 2;
                dog.move(dog.direct);
                this.repaint();
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            
        }
        
    }

}

 1 package com.sun.m;
 2 
 3 public class Dog {
 4     public int x;
 5     public int y;
 6     public int direct ;
 7     public Dog(int x,int y, int direct){
 8         this.x = x;
 9         this.y = y;
10         this.direct = direct;
11     }
12     public void move(int direct){
13         switch (direct){        
14         case 0:
15             this.y--;
16             break;
17         case 1:
18             this.x++;
19             break;
20         case 2:
21             this.y++;
22             break;
23         case 3:
24             this.x--;
25             break;      
26         }
27         
28     }
29 }