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      1. awt»­Í¼£¬Òª°ÑÇò»­³öÀ´
      public void draw(Graphics g){
Color c = g.getColor(); g.setColor(Color.red);
g.fillOval(x, y, d, d);
g.setColor(c);
}
     2. Ï̶߳ÔÇòµÄÖØ»­
class MyThread implements Runnable{
public void run() {
while(true){
repaint();
try {
Thread.sleep(150);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
Ô´´úÂ룺
1. Çò£¨Ball£©Àࣺ
import java.awt.*;
public class Ball {
public static final int d = 30;//ÇòµÄÖ±¾¶ÊÇ30
int x=100,y=100;//ÇòËùÔÚµÄλÖÃ
private double direction = 225;//СÇòµÄÔ˶¯·½ÏòµÄ¶ÈÊý±íʾ£¬0-360¶È

//ÇòµÄ±àºÅ
private int id;

BallClient bc;

public Ball(int x, int y, double direction, int id,BallClient bc) {
super();
this.x = x;
this.y = y;
this.direction = direction;
this.id = id;
this.bc = bc;
}
public void draw(Graphics g){
Color c = g.getColor();
if(id==1)
g.setColor(Color.red);
if(id==2)
g.setColor(Color.blue);
if(id==3)
g.setColor(Color.green);
if(id==4)
g.setColor(Color.black);
if(id==5)
g.setColor(Color.pink);
if(id==6)
g.setColor(Color.yellow);

g.fillOval(x, y, d, d);
g.setColor(c);
move();
touchWall();
touchEach();
}
public double getDirection() {
return direction;
}
public void setDirection(double direction) {
this.direction = direction;
}

//СÇòÔ˶¯º¯Êý
public void move(){
if(direction>=0&&direction<=90){
y += Math.sin((direction)*Math.PI/180)*10;
x += Math.cos((d


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// AuthorityInterceptor.java Îļþ
package com.aptech.jb.epet.web.authority;
import javax.servlet.http.HttpServletRequest;
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
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