Spring task定时任务

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最新推荐文章于 2025-04-23 22:16:17 发布

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本文链接：https://blog.youkuaiyun.com/umgsai/article/details/54288436

本文介绍了一个使用Spring框架配置定时任务的例子，包括了多种cron表达式的使用场景，从简单的每半分钟触发到复杂的每年特定时间触发。

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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.umgsai</groupId>
    <artifactId>spring-cron</artifactId>
    <version>1.0-SNAPSHOT</version>

    <dependencies>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>4.2.4.RELEASE</version>
        </dependency>
    </dependencies>
</project>

Spring配置如下

<?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:context="http://www.springframework.org/schema/context"
       xmlns:task="http://www.springframework.org/schema/task"
       xsi:schemaLocation="
            http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
            http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd
            http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-4.1.xsd">

    <!-- 配置注解扫描 -->
    <context:component-scan base-package="com.umgsai.spring.task"/>

    <task:scheduler id="taskScheduler" pool-size="100" />

    <task:scheduled-tasks scheduler="taskScheduler">
        <!-- 每半分钟触发任务 -->
        <task:scheduled ref="task" method="task1" cron="30 * * * * ?"/>
        <!-- 每小时的10分30秒触发任务 -->
        <task:scheduled ref="task" method="task2" cron="30 10 * * * ?"/>
        <!-- 每天1点10分30秒触发任务 -->
        <task:scheduled ref="task" method="task3" cron="30 10 1 * * ?"/>
        
        <!-- 每月20号的1点10分30秒触发任务 -->
        <task:scheduled ref="task" method="task4" cron="30 10 1 20 * ?"/>
        <!-- 每年10月20号的1点10分30秒触发任务 -->
        <task:scheduled ref="task" method="task5" cron="30 10 1 20 10 ?"/>
        <!-- 每15秒、30秒、45秒时触发任务 -->
        <task:scheduled ref="task" method="task6" cron="15,30,45 * * * * ?"/>
        <!-- 15秒到45秒每隔1秒触发任务 -->
        <task:scheduled ref="task" method="task7" cron="15-45 * * * * ?"/>
        <!-- 每分钟的每15秒时任务任务，每隔5秒触发一次 -->
        <task:scheduled ref="task" method="task8" cron="15/5 * * * * ?"/>
        <!-- 每分钟的15到30秒之间开始触发，每隔5秒触发一次 -->
        <task:scheduled ref="task" method="task9" cron="15-30/5 * * * * ?"/>
        <!-- 每小时的0分0秒开始触发，每隔3分钟触发一次 -->
        <task:scheduled ref="task" method="task10" cron="0 0/3 * * * ?"/>
        <!-- 星期一到星期五的10点15分0秒触发任务 -->
        <task:scheduled ref="task" method="task11" cron="0 15 10 ? * MON-FRI"/>
    </task:scheduled-tasks>

</beans>

package com.umgsai.spring.task;

import org.springframework.stereotype.Component;
import java.util.Date;

/**
 * Created by shangyidong on 16/10/23.
 */
@Component
public class Task {
    public void task1(){
        System.out.printf("Task: %s, Current time: %s\n", 1, new Date().toLocaleString());
    }

    public void task2(){
        System.out.printf("Task: %s, Current time: %s\n", 2, new Date().toLocaleString());
    }

    public void task3(){
        System.out.printf("Task: %s, Current time: %s\n", 3, new Date().toLocaleString());
    }

    public void task4(){
        System.out.printf("Task: %s, Current time: %s\n", 4, new Date().toLocaleString());
    }

    public void task5(){
        System.out.printf("Task: %s, Current time: %s\n", 5, new Date().toLocaleString());
    }

    public void task6(){
        System.out.printf("Task: %s, Current time: %s\n", 6, new Date().toLocaleString());
    }

    public void task7(){
        System.out.printf("Task: %s, Current time: %s\n", 7, new Date().toLocaleString());
    }

    public void task8(){
        System.out.printf("Task: %s, Current time: %s\n", 8, new Date().toLocaleString());
    }

    public void task9(){
        System.out.printf("Task: %s, Current time: %s\n", 9, new Date().toLocaleString());
    }

    public void task10(){
        System.out.printf("Task: %s, Current time: %s\n", 10, new Date().toLocaleString());
    }

    public void task11(){
        System.out.printf("Task: %s, Current time: %s\n",11, new Date().toLocaleString());
    }

}

public class Main {
    public static void main(String[] args){
        ApplicationContext context = new ClassPathXmlApplicationContext("classpath:/applicationContext.xml");
    }
}

启动spring容器即可。