定时任务 - quartz

<dependency>
<groupId>org.quartz-scheduler</groupId>
<artifactId>quartz</artifactId>
<version>2.2.1</version>
</dependency>

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>4.1.5.RELEASE</version>
</dependency>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd"> 
<!-- 任务调度工厂类 -->
<bean class="org.springframework.scheduling.quartz.SchedulerFactoryBean">
<property name="quartzProperties">
<props>
<prop key="org.quartz.threadPool.class">org.quartz.simpl.SimpleThreadPool</prop>
<prop key="org.quartz.threadPool.threadCount">10</prop>
<prop key="org.quartz.threadPool.threadPriority">5</prop>
<prop key="org.quartz.threadPool.threadsInheritContextClassLoaderOfInitializingThread">true</prop>
</props>
</property>
<property name="triggers">
<list>
<ref bean="scaQuartzSchedulerTaskTrigger"/>
</list>
</property>
<property name="applicationContextSchedulerContextKey" value="applicationContext"/>
</bean>

<!-- 统计面积的触发器 -->
<bean id="scaQuartzSchedulerTaskTrigger" class="org.springframework.scheduling.quartz.CronTriggerFactoryBean">
<property name="jobDetail" ref="scaQuartzSchedulerTask"/>
<property name="cronExpression">　　　　<!-- 配置参考 http://www.cnblogs.com/sunjie9606/archive/2012/03/15/2397626.html -->
<value>0 0 23 * * ?</value>        <!-- 每天夜间23点执行一次 -->
</property>
</bean>

<bean id="scaQuartzSchedulerTask" class="org.springframework.scheduling.quartz.JobDetailFactoryBean">
<property name="jobClass" value="info.shagri.vpst.web.quartz.StatisComAreasTask"/>
</bean>

</beans>

package info.shagri.vpst.web.quartz;

import info.shagri.vpst.service.jcsj.CompanyService;

import org.quartz.JobExecutionContext;
import org.springframework.scheduling.quartz.QuartzJobBean;

import com.framework.web.utils.ApplicationContextHolder;

/**
* 统计所有有效公司各项面积
*
*/
public class StatisComAreasTask extends QuartzJobBean {

protected void executeInternal(JobExecutionContext jobExecutionContext) {
CompanyService service = ApplicationContextHolder.getBean("companyService");
service.doStatisThenStoreCompanyAreas();
}

}