使用快递/连接和会话存储时，如何查找会话ID？ [英] How can I find the session Id when using express / connect and a session store?

问题描述

如果用户已经登录并尝试在新实例中重新登录，我希望它注销另一个用户实例。我不希望在我的应用程序中登录两次。

If a user is already logged in and tries to login again in a new instance I'd like it to log out the other user instance. I don't want the same user to be logged in twice on my application.

目前，会话存储在Redis商店中，我使用express / connect处理会话存储。可用于销毁会话的功能之一如下：

Currently the session is stored in a Redis store, i'm using express / connect to handle the session storage. One of the functions available which could be used to destroy the session is as follows:

.destroy(sid, callback)

但是，在调用.destroy（）之前，我需要找到该会话ID。在Redis中，用户名被存储为会话的一部分。

However I need to find that session id before I call .destroy(). In Redis the username is stored as a part of the session.

问题：是否可以根据用户名查询Redis获取会话ID？

推荐答案

req.sessionID将为您提供会话的SID。

req.sessionID will provide you the session's SID.

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