SpringTask一:xml配置方式

一.pom.xml

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<dependency>   <groupId>junit</groupId>   <artifactId>junit</artifactId>   <version>4.11</version>   <scope>test</scope> </dependency> <dependency>   <groupId>org.springframework</groupId>   <artifactId>spring-context</artifactId>   <version>4.3.20.RELEASE</version> </dependency> <dependency>   <groupId>org.springframework</groupId>   <artifactId>spring-web</artifactId>   <version>4.3.20.RELEASE</version> </dependency>

二.任务类

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public class TaskService {       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);     }       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.applicationContext.xml

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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:task="http://www.springframework.org/schema/task"        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">     <bean id="taskService" class="com.wj.TaskService">       </bean>       <!--配置定时规则-->     <task:scheduled-tasks>         <!--initial-delay:服务器启动后多少毫秒开始执行定时任务-->         <!--fixed-delay:每隔多少毫秒执行一次定时任务-->         <!--cron:可以指定复杂定时任务，前文Quartz有介绍，不再叙述-->         <task:scheduled ref="taskService" method="firstTask" initial-delay="10000" fixed-delay="2000"/>         <task:scheduled ref="taskService" method="secondTask" initial-delay="20000" fixed-delay="4000"/>     </task:scheduled-tasks>   </beans>

四.运行效果：