HttpSessionBindingListener (Java EE 5)

Java EE API

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javax.servlet.http Interface HttpSessionBindingListener

All Superinterfaces:
EventListener
public interface HttpSessionBindingListener
extends EventListener

Implements: java.util.EventListener

使对象在被绑定到会话或从会话中取消对它的绑定时得到通知。该对象通过 HttpSessionBindingEvent 对象得到通知。这可能是 servlet 编程人员显式从会话中取消绑定某个属性的结果（由于会话无效，或者由于会话超时）。
See also javax.servlet.http.HttpSession, javax.servlet.http.HttpSessionBindingEvent
英文文档：

Causes an object to be notified when it is bound to or unbound from a session. The object is notified by an HttpSessionBindingEvent object. This may be as a result of a servlet programmer explicitly unbinding an attribute from a session, due to a session being invalidated, or due to a session timing out.

Author:
Various
See Also:
HttpSession, HttpSessionBindingEvent

Method Summary
 void valueBound(HttpSessionBindingEvent event)
          Notifies the object that it is being bound to a session and identifies the session.
 void valueUnbound(HttpSessionBindingEvent event)
          Notifies the object that it is being unbound from a session and identifies the session.
 

Method Detail

public void valueBound(HttpSessionBindingEvent event)
通知对象它将被绑定到某个会话并标识该会话。
event 标识会话的事件
See also valueUnbound
英文文档：

valueBound

void valueBound(HttpSessionBindingEvent event)
Notifies the object that it is being bound to a session and identifies the session.

Parameters:
event - the event that identifies the session
See Also:
valueUnbound(javax.servlet.http.HttpSessionBindingEvent)

public void valueUnbound(HttpSessionBindingEvent event)
通知对象要从某个会话中取消对它的绑定并标识该会话。
event 标识会话的事件
See also valueBound
英文文档：

valueUnbound

void valueUnbound(HttpSessionBindingEvent event)
Notifies the object that it is being unbound from a session and identifies the session.

Parameters:
event - the event that identifies the session
See Also:
valueBound(javax.servlet.http.HttpSessionBindingEvent)
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Copyright 2007 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.

一看就知道只有菜鸟才干这么无知的事啦。

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