一.applicationContext.xml
pom.xml与第一篇一样
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:task="http://www.springframework.org/schema/task" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"> <!--开启注解扫描--> <context:component-scan base-package="com.wj"/> <!--开启对@Scheduled注解的支持--> <task:annotation-driven/> </beans>
二.任务类
@Service
public class TaskService {
//initialDelay:服务启动后，多少毫秒启动该定时任务
//fixedDelay:每隔多长时间执行一次定时任务
//cron:cron表达式，复杂任务
@Scheduled(initialDelay = 10000,fixedDelay = 1000)
public void firstTask(){
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd-HH-mm:ss:ms");
String format = simpleDateFormat.format(new Date());
System.out.println("数据库备份时间1："+format);
}
@Scheduled(initialDelay = 20000,fixedDelay = 2000)
public void secondTask(){
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd-HH-mm:ss:ms");
String format = simpleDateFormat.format(new Date());
System.out.println("数据库备份时间2："+format);
}
}
三.执行结果
原文：https://www.cnblogs.com/wwjj4811/p/12643252.html