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רҵµÄ¿ªÔ´¹¤¾ß¿É²Î¿¼Quartz£ºhttp://www.opensymphony.com/quartz/
MyListener£º
import
 java.util.Timer;
import
 javax.servlet.ServletContextEvent;
import
 javax.servlet.ServletContextListener;
public
 
class
 MyListener 
implements
 ServletContextListener {
  
  
private
 Timer timer 
=
 
null
;
  
public
 
void
 contextInitialized(ServletContextEvent event) {
    timer 
=
 
new
 Timer(
true
);
    
//
ÉèÖÃÈÎÎñ¼Æ»®£¬Æô¶¯ºÍ¼ä¸ôʱ¼ä
    timer.schedule(
new
 MyTask(), 
0

86400000
);
  }
  
public
 
void
 contextDestroyed(ServletContextEvent event) {
    timer.cancel();
  }
  
}
MyTask£º
import
 java.util.TimerTask;
public
 
class
 MyTask 
extends
 TimerTask {
  
public
 
void
 run() {
    
//
 System.out.println("call at " + (new Date()));
    
//
 TODO ´Ë´¦Ìí¼Ó¾ßÌåÈÎÎñ´úÂë
  }
}
web.xmlÅäÖãº
<
listener
>
<
listener-class
>
com.fastunit.samples.listener.MyListener
</
listener-class
>
</
listener
>
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javax.servlet.ServletContextListener½Ó¿Ú£¬Í¬Ê±ÊµÏÖËüµÄ
contextInitialized(ServletContextEvent  
event)ºÍcontextDestroyed(ServletContextEvent  
event)Á½¸ö½Ó¿Úº¯Êý¡£¿¼ÂǶ¨


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