Java华容道

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MainClass.java

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

Person.java

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) {//获得焦点是调用      setBackground(Color.red);   }   public void focusLost(FocusEvent e) {//失去焦点是调用      setBackground(c);   }}

Hua_Rong_Road.java

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];   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);      setVisible(true);      validate();   }   public void init() {      getContentPane().setLayout(null);      getContentPane().add(restart);//getContentPane()得到一个内容画板      restart.setBounds(100,320,100,35);      restart.addActionListener(this);      String name[]={"曹操","关羽","张","刘","周","黄","兵","兵","兵","兵"};      for(int k=0;k<name.length;k++) {         person[k]=new Person(k,name[k]);         person[k].addMouseListener(this);         person[k].addKeyListener(this);         getContentPane().add(person[k]);      }      person[0].setBounds(104,54,100,100);       person[1].setBounds(104,154,100,50);       person[2].setBounds(54, 154,50,100);       person[3].setBounds(204,154,50,100);       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();      left=new JButton();        right=new JButton();      above=new JButton();       below=new JButton();      getContentPane().add(left);       getContentPane().add(right);      getContentPane().add(above);       getContentPane().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();   }    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 mouseClicked(MouseEvent e)  {}   public void go(Person man,JButton direction) {      boolean move=true;      Rectangle manRect=man.getBounds();      int x=man.getBounds().x;      int y=man.getBounds().y;      if(direction==below)         y=y+50;      else if(direction==above)         y=y-50;      else if(direction==left)         x=x-50;      else if(direction==right)         x=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);  }  public void actionPerformed(ActionEvent e) {      dispose();       new Hua_Rong_Road();  }}

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