spring 中集成quartz定时器及quartz中cronExpression配置说明。
spring 中集成quartz:
spring文件的配置:
- <?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:p=”http://www.springframework.org/schema/p”
- xsi:schemaLocation=”http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd”>
- <bean id=”quartzTask” class=”com.chen.quartz.QuartzTask”>
- </bean>
- <bean id=”quartzFactoryBean” class=”org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean”>
- <property name=”targetObject” ref=”quartzTask”></property>
- <property name=”targetMethod” value=”executeQuartzTask”></property>
- </bean>
- <bean id=”cronTriggerBean” class=”org.springframework.scheduling.quartz.CronTriggerBean”>
- <property name=”jobDetail”>
- <ref bean=”quartzFactoryBean”/>
- </property>
- <!–
- 一个cron表达式有至少6个(也可能7个)有空格分隔的时间元素
- 按顺序依次为:秒、分、时、日、月、周、年
- 注:由于”月份中的日期”和”星期中的日期”这两个元素互斥的,必须要对其中一个设置为?
- –>
- <property name=”cronExpression”>
- <value>0/5 * * * * ?</value>
- </property>
- </bean>
- <bean class=”org.springframework.scheduling.quartz.SchedulerFactoryBean”>
- <property name=”triggers”>
- <list>
- <ref bean=”cronTriggerBean”/>
- </list>
- </property>
- </bean>
- </beans>
定时器执行的java类:
- package com.chen.quartz;
- import java.text.SimpleDateFormat;
- import java.util.Date;
- public class QuartzTask {
- static int count = 0;
- public void executeQuartzTask(){
- SimpleDateFormat sdf = new SimpleDateFormat(“yyyy-MM-dd hh:mm:ss”);
- System.out.println(sdf.format(new Date())+”:”+count++);
- }
- /**
- * @param args
- */
- public static void main(String[] args) {
- // TODO Auto-generated method stub
- System.out.println(count++);
- System.out.println(count++);
- }
- }
quartz中cronExpression配置说明: