Springboot中的定时任务（计划任务）

 1 package com.wj.test;
 2 
 3 import org.springframework.scheduling.annotation.Scheduled;
 4 import org.springframework.stereotype.Service;
 5 
 6 import java.text.SimpleDateFormat;
 7 import java.util.Date;
 8 
 9 /**
10  * Created by wj on 2017/9/6.
11  */
12 @Service
13 public class ScheduledTaskService {
14     private static final SimpleDateFormat dateFormat = new SimpleDateFormat("HH:mm:ss");
15 
16     //每个2s执行一次任务
17     @Scheduled(fixedRate = 2000)
18     public void run(){
19         System.out.println(dateFormat.format(new Date()) + " | " + "每隔2s执行一次任务");
20     }
21 
22 //    每天15点29分执行该任务
23     @Scheduled(cron = "0 29 15 ? * *")
24     public void run1()
25     {
26         System.out.println(dateFormat.format(new Date()) + " | " + "每天在指定时间执行任务");
27     }
28 }

 1 package com.wj.test;
 2 
 3 import org.springframework.context.annotation.ComponentScan;
 4 import org.springframework.context.annotation.Configuration;
 5 import org.springframework.scheduling.annotation.EnableScheduling;
 6 
 7 /**
 8  * Created by wj on 2017/9/6.
 9  */
10 @Configuration
11 @ComponentScan("com.wj.test")
12 @EnableScheduling
13 public class TaskSchedulerConfig {
14 
15 }

 1 package com.wj.test;
 2 
 3 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 4 
 5 /**
 6  * Created by wj on 2017/9/6.
 7  */
 8 public class TestMain {
 9     public static void main(String[] args){
10         AnnotationConfigApplicationContext cOntext= new AnnotationConfigApplicationContext(TaskSchedulerConfig.class);
11     }
12 }