首先在Tomcat的web-inf下的web.xml文件中加入如下内容:
<listener>
<listener-class>com.jalor.session.SessionListener</listener-class>
</listener>
即注册一个监听器。
SessionListener.java具体内容如下:
---------------------
package com.holen.session;
import org.apache.commons.logging.Log;
import javax.servlet.http.HttpSessionListener;
import javax.servlet.http.HttpSessionEvent;
import com.holen.util.Logger;
public class SessionListener implements HttpSessionListener
{
private Log log=Logger.getLog(SessionListener.class);
public void sessionCreated(HttpSessionEvent event)
{
log.info("一个新用户光临系统。他的sessionid="+event.getSession().getId());
}
public void sessionDestroyed(HttpSessionEvent event)
{
log.info("session:"+event.getSession().isNew());
log.info("sessionid为"+event.getSession().getId()+"退出系统。");
}
}
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