监听器

/denglu/src/com/listener/HttpSessionAttributeListener.java

package com.listener;

import javax.servlet.http.HttpSessionBindingEvent;
public class HttpSessionAttributeListener implements javax.servlet.http.HttpSessionAttributeListener {
@Override
public void attributeAdded(HttpSessionBindingEvent HttpSessionBindingevent) {
System.out.println("HttpSession_attributeAdded   name:"+HttpSessionBindingevent.getSession().getAttribute("name"));
//System.out.println("HttpSession_attributeAdded   pwd:"+HttpSessionBindingevent.getSession().getAttribute("pwd"));
}
@Override
public void attributeRemoved(HttpSessionBindingEvent HttpSessionBindingevent) {
System.out.println("HttpSession_attributeRemoved   name:"+HttpSessionBindingevent.getSession().getAttribute("name"));
//System.out.println("HttpSession_attributeRemoved    pwd:"+HttpSessionBindingevent.getSession().getAttribute("pwd"));
}
@Override
public void attributeReplaced(HttpSessionBindingEvent HttpSessionBindingevent) {
System.out.println("HttpSession_attributeReplaced   name:"+HttpSessionBindingevent.getSession().getAttribute("name"));
//System.out.println("HttpSession_attributeReplaced    pwd:"+HttpSessionBindingevent.getSession().getAttribute("pwd"));
}

}

/denglu/src/com/listener/HttpSessionListener.java

package com.listener;


import javax.servlet.http.HttpSessionEvent;


public class HttpSessionListener implements javax.servlet.http.HttpSessionListener {


@Override
public void sessionCreated(HttpSessionEvent HttpSessionevent) {
System.out.println("sessionCreated");


}


@Override
public void sessionDestroyed(HttpSessionEvent HttpSessionevent) {
System.out.println("sessionCreatedDestroyed");


}


}