Example类

public class Example9_25 {

public static void main(String[] args) {

new Hua_Rong_Road();

}

}

Hua_Rond_Road类

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(){

setLayout(null);

add(restart);

restart.setBounds(100,320,120,35);

restart.addActionListener(this);

String name[]={"曹操","关羽","张","刘","周","黄","兵","兵","兵","兵"};

for(int k=0;k

person[k]=new Person(k,name[k]);

person[k].addMouseListener(this);

person[k].addKeyListener(this);

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();

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();

}

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

go(man,above);

if(x

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 mouseClick(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 actionPersonformed(ActionEvent e){

dispose();

new Hua_Rong_Road();

}

@Override

public void mouseClicked(MouseEvent arg0) {

// TODO Auto-generated method stub

}

@Override

public void actionPerformed(ActionEvent arg0) {

// TODO Auto-generated method stub

}

}

Person类

import java.awt.*;

import javax.swing.*;

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);

}

}