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1) java.util.Timer
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Timer timer=new Timer();
timer.schedule(new ListByDayTimerTask(),10000,86400000);
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2) ServletContextListener
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½«ListByDayListener implements ServletContextListener½Ó¿Ú£¬ÔÚ
contextInitialized·½·¨ÖмÓÈëÆô¶¯TimerµÄ´úÂ룬ÔÚcontextDestroyed
·½·¨ÖмÓÈëcancel¸ÃTimerµÄ´úÂ룻ȻºóÔÚweb.xmlÖУ¬¼ÓÈëlistener:
< listener>
< listener-class>com.qq.customer.ListByDayListener< /listener-class>
< /listener>
3)org.springframework.scheduling.timer.ScheduledTimerTask
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< ?xml version="1.0" encoding="UTF-8"?>
< !DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">
< beans>
< bean id="timer" class="org.springframework.scheduling.timer.TimerFactoryBean">
< property name="scheduledTimerTasks">
< list>
< ref local="MyTimeTask1"/>
< /list>
< /property>
< /bean>
< bean id="MyTimeTask" class="com.qq.timer.ListByDayTimerTask"/>
< bean id="MyTimeTask1" class="org.springframework.scheduling.timer.ScheduledTimerTask">
< property name="timerTask">
< ref bean="MyTimeTask"/>
< /property>
< property name="delay">
< value>10000< /value>
< /property>
< property name="period">
< value>86400000< /value>
< /property>
< /bean>
< /beans>
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package com.sunz.fileUpload;
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