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：