一、引入spring相关jar包：
二、在web.xml中配置spring
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<listener> <description>Spring监听器</description> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener><context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:applicationContext.xml</param-value></context-param> |
三、在applicationContext.xml中配置监听器
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<?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-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-3.0.xsd" default-lazy-init="false"> <!-- 注解方式 --> <context:annotation-config /> <context:component-scan base-package="com.test.task" /> <task:annotation-driven/> <!-- XML方式 --> <!-- <bean name="testTask" class="com.test.task.TestTask" lazy-init="false"></bean> <task:scheduled-tasks> <task:scheduled ref="testTask" method="print" cron="0/5 * * * * ?"/> </task:scheduled-tasks> --></beans> |
四、编写实体类
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package com.test.task;import java.text.DateFormat;import java.util.Date;import org.springframework.scheduling.annotation.Scheduled;import org.springframework.stereotype.Component;@Componentpublic class TestTask { @Scheduled(cron = "*/5 * * * * ?") public void print(){ String time = DateFormat.getDateTimeInstance().format(new Date()); System.out.println("定时器触发打印"+time); }} |
五、工程目录：
运行结果：
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
