Spring定时器总结

❶Spring2.5环境下项目中的实际应用

package cn.com.member.timer;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

import org.apache.log4j.Logger;
import org.quartz.JobDataMap;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import org.springframework.context.ApplicationContext;
import org.springframework.scheduling.quartz.QuartzJobBean;

import cn.com.exchangegift.service.ExperienceSortService;


/**
 * 定时生成一个页面
 * @date：下午04:15:51 2010-11-18
 */
public class MyPageTimer extends QuartzJobBean{

    Logger logger=Logger.getLogger(MyPageTimer.class);

    @Override
    protected void executeInternal(JobExecutionContext arg0)throws JobExecutionException {
       // 说明:ApplicationContext 不是新生成的，是在配置文件中配置进去的从JobDetailBean设置进去的引用。
       JobDataMap mergedJobDataMap = arg0.getMergedJobDataMap();
       ApplicationContext application = (ApplicationContext) mergedJobDataMap.get("applicationContext");
       ExperienceSortService experienceSortService = (ExperienceSortService) application.getBean("experienceSortService");
       try {
           logger.error("兑换中心积分排行榜周排行页面正在生成中...");
           experienceSortService.querySort(getStatetime(7), getStatetime(0));
           logger.error("兑换中心积分排行榜周排行页面生成完毕！");
       }catch (Exception e) {
           logger.error("调用页面生成程序出错："+e.toString());
       }
    }


    /**
     * 当前时间的前dayCount天的日期
     * @description:
     * @time: 下午12:35:38 2010-11-19
     * @return
     * @throws ParseException
     */
    public String getStatetime(int dayCount) throws ParseException{
         SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
         Date date=new Date();
         Long monday=date.getTime()-dayCount*24*60*60*1000;
         String preMonday = sdf.format(monday);
    return preMonday;
    }
}

Spring配置信息，文件头：

<beans xmlns="http://www.springframework.org/schema/beans"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xmlns:aop="http://www.springframework.org/schema/aop"
        xmlns:tx="http://www.springframework.org/schema/tx"
        xsi:schemaLocation="
            http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
            http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
            http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">

<bean id="myPageJob" class="org.springframework.scheduling.quartz.JobDetailBean">
    <property name="jobClass">
      <value>cn.com.member.timer.MyPageTimer</value>
    </property>
    <property name="jobDataAsMap">
           <map>
           </map>
       </property>
    <property name="applicationContextJobDataKey" value="applicationContext"></property>
</bean>

<bean id="myPageJobTimer" class="org.springframework.scheduling.quartz.CronTriggerBean">
   <property name="jobDetail">
      <ref bean="myPageJob"></ref>
   </property>
   <property name="cronExpression">
   <value>0 0 0 ? * MON</value><!-- 每周一的凌晨零点零分开始执行，仅一次 -->
   <!--<value>0/5 * * * * ?</value>--> <!-- 每隔5秒执行一次 -->
</property>
</bean>

<!—
启动定时任务,注意这里的ref bean
triggers：通过再添加其他的ref元素可在list中放置多个触发器
-->
<bean class="org.springframework.scheduling.quartz.SchedulerFactoryBean">
<property name="triggers">
   <list>
       <ref bean="myPageJobTimer"></ref>
   </list>
</property>
</bean>

❷Spring3.0.5环境下项目中的实际应用

<beans xmlns="http://www.springframework.org/schema/beans" xmlns:p="http://www.springframework.org/schema/p"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:task="http://www.springframework.org/schema/task"
       xsi:schemaLocation="
    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
    http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
    http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-3.0.xsd>

<task:annotation-driven /> <!--时器开关 -->
<!-- spring定时器配置  -->
<bean id="autoTaskExcuteUtil" class="com..utils.spring.businessafter.AutoTaskExecuteUtil"></bean> <!-- 这里配置简单的javaben就可以了，不需要实现任何接口 -->
<task:scheduled-tasks>
    <!-- 这里可以配置多个task标签任务 -->
    <task:scheduled ref="autoTaskExcuteUtil" method="run" cron="0 0/1 * * * ?"/><!-- 每一分钟检测一次是否有自动要执行的任务 -->
</task:scheduled-tasks>