Java初学之华容道游戏

package hhuarongdao;

public class example {
 public static void main(String args[])
 {
    new Hua_Rong_Road();
 }
 }

package hhuarongdao;
import java.awt.*;
import javax.swing.*;

import java.awt.event.*;
public class Hua_Rong_Road extends JFrame implements MouseListener,KeyListener,ActionListener
{
    Person [] person = new Person[10];   //person 为自定义的一个变量类型
    JButton left,right,above,below ;
    JButton restart = new JButton("重新开始");
    public Hua_Rong_Road()
    {
       init();
       setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
       setBounds(100,100,320,500);  //设置窗口初始位置以及大小的一个函数
       setVisible(true);  //窗口是否可见
       validate();  //使用 validate 方法会使容器再次布置其子组件。确保布局有效。
    }
    public void init()
    {
        setLayout(null); 
        add(restart);
        restart.addActionListener(this);
        String name [] = {"曹操","关","张","刘","周","黄","兵","兵","兵","兵"};
        for(int i=0;i<name.length;i++)
        {
          person[i]= new Person(i,name[i]);
          person[i].addMouseListener(this);
          person[i].addKeyListener(this);
          add(person[i]);
        }
        person[0].setBounds(104, 54, 100, 100);
        person[1].setBounds(104,154,100,50);
        person[2].setBounds(54,154,50,100);
        person[3].setBounds(204,54,50,100);
        person[4].setBounds(54,54,50,100);
        person[5].setBounds(204, 54, 50, 100);
        person[6].setBounds(54,254,50,50);
        person[7].setBounds(204,254,50,50);
        person[8].setBounds(104,204,50,50);
        person[9].setBounds(154,204,50,50);
        person[9].requestFocus();   //将焦点放在控件上面
        left=new JButton();
        right=new JButton();
        above=new JButton();
        below = new JButton();
        add(left);
        add(right);
        add(above);
        add(below);
        left.setBounds(49, 49, 5, 260);
        right.setBounds(254,49,5,260);
        above.setBounds(49,49,210,5);
        below.setBounds(49,304,210,5);
        validate();  //确保布局有效...这条语句不要也不会对程序有太大的影响
     }
    public void keyTyped(KeyEvent e){}
    public void keyReleased(KeyEvent e){}
    public void keyPressed(KeyEvent e)
    {
        Person man= (Person)e.getSource();
       if(e.getKeyCode()==KeyEvent.VK_DOWN)
           go(man,below);
       if(e.getKeyCode()==KeyEvent.VK_UP)
           go(man,above);
       if(e.getKeyCode()==KeyEvent.VK_LEFT)
           go(man,left);
       if(e.getKeyCode()==KeyEvent.VK_RIGHT)
           go(man,right);
    }
    public void mousePressed(MouseEvent e)
    {
         Person man=(Person)e.getSource();
         int x=-1,y=-1;
         x=e.getX();
         y=e.getY();
         int w=man.getBounds().width;
         int h=man.getBounds().height;
         if(y>h/2) go(man,below);
         if(y<h/2) go(man,above);
         if(x<w/2) go(man,left);
         if(x>w/2) go(man,right);
    }
    public void mouseReleased(MouseEvent e){}
    public void mouseEntered(MouseEvent e){}
    public void mouseExited(MouseEvent e){}
    public void go(Person man, JButton direction) {
        // TODO Auto-generated method stub
       boolean move=true;
       Rectangle manRect=man.getBounds();
       int x=man.getBounds().x;
       int y=man.getBounds().y;
       if(direction==below) y+=50;
       else if(direction==above)y-=50;
       else if(direction==left)x-=50;
       else if(direction==right)x+=50;
       manRect.setLocation(x, y);
       Rectangle directionRect=direction.getBounds();
       for(int k=0;k<10;k++)
       {
           Rectangle personRect=person[k].getBounds();
           if(manRect.intersects(personRect)&&man.number!=k)
               move=false;
       }
       if(manRect.intersects(directionRect))
           move=false;
       if(move==true) man.setLocation(x,y);
    }
    @Override
    public void mouseClicked(MouseEvent e) {
        // TODO Auto-generated method stub
        
    }    
    public void actionPerformed(ActionEvent e)
    {
       dispose();  //注销
       new Hua_Rong_Road();
    }
    
}

package hhuarongdao;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class Person extends JButton implements FocusListener
{
    
    int number ;
    Color c= new Color(255,245,170);
    Font font=new Font("宋体",Font.BOLD,12);
    Person(int number,String s)
    {
        super(s);
        setBackground(c);
        setFont(font);
        this.number=number;
        c=getBackground();
        addFocusListener(this);
    }
    public void focusGained(FocusEvent e)
    {
        setBackground(Color.red);
    }
    public void focusLost(FocusEvent e)
    {
       setBackground(c);        
    }
}

效果图：