HttpSessionAttributeListener (Java EE 5)

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javax.servlet.http Interface HttpSessionAttributeListener

All Superinterfaces:: EventListener

public interface HttpSessionAttributeListener
extends EventListener

Implements: java.util.EventListener

为了获取此 Web 应用程序内会话属性列表更改的通知，可实现此侦听器接口。

since

v 2.3

英文文档：

This listener interface can be implemented in order to get notifications of changes to the attribute lists of sessions within this web application.

Since:: v 2.3

Method Summary
`void`	`attributeAdded(HttpSessionBindingEvent se)` Notification that an attribute has been added to a session.
`void`	`attributeRemoved(HttpSessionBindingEvent se)` Notification that an attribute has been removed from a session.
`void`	`attributeReplaced(HttpSessionBindingEvent se)` Notification that an attribute has been replaced in a session.

Method Detail

public void attributeAdded(HttpSessionBindingEvent se)
通知已将属性添加到会话。在添加属性之后调用。

英文文档：
attributeAdded

void attributeAdded(HttpSessionBindingEvent se)

Notification that an attribute has been added to a session. Called after the attribute is added.

public void attributeRemoved(HttpSessionBindingEvent se)
通知属性已从会话中移除。在移除属性之后调用。

英文文档：
attributeRemoved

void attributeRemoved(HttpSessionBindingEvent se)

Notification that an attribute has been removed from a session. Called after the attribute is removed.

public void attributeReplaced(HttpSessionBindingEvent se)
通知已替换会话中的一个属性。在替换属性之后调用。

英文文档：
attributeReplaced

void attributeReplaced(HttpSessionBindingEvent se)

Notification that an attribute has been replaced in a session. Called after the attribute is replaced.