1 package com.aone.foottalk.common;
 2
 3 import java.util.TimerTask;
 4 import com.aone.foottalk.action.back.utils.BaseTools;
 5
 6 import java.text.ParseException;
 7 import java.util.Date;
 8 import java.util.Timer;
 9 public class Demo {
10
11     public static void main(String args[]){
12         Timer timer = new Timer();
13         TimerTask task = new TimerTask() {
14             @Override
15             public void run() {
16                 try {
17                     System.out.println("开始定时任务");
18                 } catch (Exception e) {
19                     e.printStackTrace();
20                 } finally {
21                     timer.cancel();
22                     System.out.println("结束");
23                 }
24             }
25         };
26         //获取系统当前时间
27         String beginTime=BaseTools.formateMillsecDateToStr(BaseTools.systemtimeLong());
28         System.out.println("开始时间"+beginTime);
29         //随机几分钟后
30         int num=(int)(1+Math.random()*(2-1+1));
31         System.out.println(num+"几分钟后");
32         try {
33             long time = BaseTools.string2Long(beginTime)+num*60*1000;//延时函数，单位毫秒，这里是延时了num分钟
34             System.out.println("执行时间"+BaseTools.formateMillsecDateToStr(time));
35             Date date =BaseTools.StringToDate(BaseTools.formateMillsecDateToStr(time));
36             //启动定时器
37             timer.schedule(task, date);
38         } catch (ParseException e) {
39             // TODO Auto-generated catch block
40             e.printStackTrace();
41         }
42     }
43 }