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1£® ÔÚ¹¤³ÌÖд´½¨¼àÌýÀàSessionListener ²¢ÇÒʵÏÖHttpSessionListener½Ó¿Ú£¬´úÂëÈçÏÂ
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;
public class SessionListener implements HttpSessionListener {
private static int count = 0;
public void sessionCreated(HttpSessionEvent se) {
count++;
System.out.println("session´´½¨£º" + new java.util.Date());
}
public void sessionDestroyed(HttpSessionEvent se) {
count--;
System.out.println("sessionÏú»Ù£º" + new java.util.Date());
}
public static int getCount() {
return count;
}
}
2£® ÅäÖÃweb.xml
<listener>
<description>session¼àÌýÆ÷</description>
<listener-class>com.xxx.SessionListener</listener-class>
</listener>
3£® ÔÚJSPÒ³ÃæÖÐÏÔʾÔÚÏßÈËÊý
<%
int count=com.xxx.SessionListener.getCount();
out.println("ÔÚÏßÈËÊý£º"+count);
%>
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