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Ò»¸öJAVA¶¨Ê±Æ÷µÄÒÉ»ó

Ê×ÏÈ£¬ËµÃ÷ÏÂÐèÇó,ÎÒÔÚtomcatÆô¶¯µÄʱºò£¬¾Í¼ÓÔØÕâÒ»¼àÌý£¬È»ºóÏ£ÍûÔÚÔçÉÏ9µãµÄʱºò£¬¶¨Ê±Ö´ÐÐijһ³ÌÐò¡£ÏÂÃæÊÇ´úÂ벿·Ö.
Java code:

public class ContextListener extends HttpServlet implements
ServletContextListener {

/**
*
*/
private static final long serialVersionUID = 1L;

public ContextListener() {

}

private java.util.Timer timer = null;

public void contextInitialized(ServletContextEvent event) {

timer = new java.util.Timer(true);
event.getServletContext().log("¶¨Ê±Æ÷ÒÑÆô¶¯");

Calendar cal=Calendar.getInstance(); //ÉèÖÃʱ¼äΪ9µã
cal.set(Calendar.HOUR_OF_DAY, 9);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND,0);
//System.out.println(cal.getTime()) ;
//½ñÌìÊÇ2009-11-20£¬´òÓ¡µÄ½á¹û:Fri Nov 20 09:00:00 CST 2009

[color=#FF0000]timer.schedule(new AutoSendMessage(event.getServletContext()), cal.getTime(),
24 * 60* 60 * 1000l);[/color]
event.getServletContext().log("ÒѾ­Ìí¼ÓÈÎÎñµ÷¶È±í");
}

public void contextDestroyed(ServletContextEvent event) {

timer.cancel();

event.getServletContext().log("¶¨Ê±Æ÷Ïú»Ù");

}

}


·½·¨schedule(TimerTask task, Date firstTime, long perio


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