Person.java
package 华容道;
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);
}
}
HRD.java
package 华容道;
public class HRD {
public static void main(String[] args) {
// TODO Auto-generated method stub
new Hua_Rong_Road();
}
} Hua_Rong_Road.javapackage 华容道;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; JButton right; JButton above; JButton 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(); addWindowListener( new WindowAdapter() { public void windowClosing(WindowEvent e) { System.exit(0); } } ); } public void init(){ setLayout(null); add(restart); restart.setBounds(100,320,120,35); restart.addActionListener(this); String name[]={"曹操","关羽","张飞","刘备","周瑜","黄盖","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); 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; int 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){} private 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=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(); } }下面是程序运行结果，有四个人显示不出来，大神看看吧。
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