package?listener;

import?java.util.Calendar;
import?java.util.Date;
import?java.util.Timer;

import?javax.servlet.ServletContextEvent;
import?javax.servlet.ServletContextListener;

import?Timetask.TestTimetask;

/**
?*?@author?xiaohe
?*?監(jiān)聽定時器工具
?*/

public?class?DuetimeListener?implements?ServletContextListener{
	private?Timer?timer?=?null;?
	
	@Override
	public?void?contextDestroyed（ServletContextEvent?event）?{
		timer.cancel（）;
	}

	@Override
	public?void?contextInitialized（ServletContextEvent?event）?{
		
		//?添加日志，可在tomcat日志中查看到
		event.getServletContext（）.log（“定時器已啟動“）;
		System.out.println（“定時器啟動“）;
		
		try?{
			Calendar?calendar?=?Calendar.getInstance（）;
			calendar.set（Calendar.HOUR_OF_DAY?10）;?//?控制時，24小時制
			calendar.set（Calendar.MINUTE?32）;??//?控制分
			calendar.set（Calendar.SECOND?0）;??//?控制秒
						
			Date?time?=?calendar.getTime（）;?//?執(zhí)行任務(wù)的時間，可以自行修改時間參數(shù)，此時為12:00:00

			timer?=?new?Timer（true）;
			//參數(shù)1：需要執(zhí)行的類，參數(shù)2：執(zhí)行時間，參數(shù)3：執(zhí)行周期（參數(shù)可自行修改）
			//類需要繼承util的Timetask，默認(rèn)執(zhí)行類下的run（）方法；
			timer.scheduleAtFixedRate（new?TestTimetask（）?time?1000?*?60?*?60?*?24）;??//隔一天（周期性）掃描執(zhí)行方法，
			
		}?catch?（Exception?e）?{
			//?TODO?Auto-generated?catch?block
			e.printStackTrace（）;
		}
	}

}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????851??2017-05-05?10:14??Test_timelistener\.classpath

?????文件???????1050??2017-05-05?10:14??Test_timelistener\.project

?????文件????????564??2017-05-05?10:14??Test_timelistener\.settings\.jsdtscope

?????文件????????364??2017-05-05?10:14??Test_timelistener\.settings\org.eclipse.jdt.core.prefs

?????文件????????510??2017-05-05?10:14??Test_timelistener\.settings\org.eclipse.wst.common.component

?????文件????????345??2017-05-05?10:14??Test_timelistener\.settings\org.eclipse.wst.common.project.facet.core.xml

?????文件?????????49??2017-05-05?10:14??Test_timelistener\.settings\org.eclipse.wst.jsdt.ui.superType.container

?????文件??????????6??2017-05-05?10:14??Test_timelistener\.settings\org.eclipse.wst.jsdt.ui.superType.name

?????文件???????1511??2017-05-05?10:32??Test_timelistener\src\listener\DuetimeListener.java

?????文件????????553??2017-05-05?11:11??Test_timelistener\src\Timetask\TestTimetask.java

?????文件????????382??2017-05-05?10:27??Test_timelistener\WebRoot\index.jsp

?????文件?????????39??2017-05-05?10:14??Test_timelistener\WebRoot\meta-INF\MANIFEST.MF

?????文件???????1648??2017-05-05?10:33??Test_timelistener\WebRoot\WEB-INF\classes\listener\DuetimeListener.class

?????文件????????548??2017-05-05?10:29??Test_timelistener\WebRoot\WEB-INF\classes\Timetask\TestTimetask.class

?????文件????????789??2017-05-05?10:29??Test_timelistener\WebRoot\WEB-INF\web.xml

?????文件????????347??2017-05-05?10:53??Test_timelistener\說明.txt

?????目錄??????????0??2017-05-05?10:39??Test_timelistener\WebRoot\WEB-INF\classes\listener

?????目錄??????????0??2017-05-05?10:39??Test_timelistener\WebRoot\WEB-INF\classes\Timetask

?????目錄??????????0??2017-05-05?10:39??Test_timelistener\WebRoot\WEB-INF\classes

?????目錄??????????0??2017-05-05?10:14??Test_timelistener\WebRoot\WEB-INF\lib

?????目錄??????????0??2017-05-05?10:39??Test_timelistener\src\listener

?????目錄??????????0??2017-05-05?11:11??Test_timelistener\src\Timetask

?????目錄??????????0??2017-05-05?10:39??Test_timelistener\WebRoot\meta-INF

?????目錄??????????0??2017-05-05?10:39??Test_timelistener\WebRoot\WEB-INF

?????目錄??????????0??2017-05-05?10:39??Test_timelistener\.settings

?????目錄??????????0??2017-05-05?10:39??Test_timelistener\src

?????目錄??????????0??2017-05-05?10:39??Test_timelistener\WebRoot

?????目錄??????????0??2017-05-05?10:40??Test_timelistener

-----------?---------??----------?-----??----

?????????????????9556????????????????????28

............此處省略1個文件信息