了解 ASP.Net 会话生命周期

问题描述

我对 ASP 或 ASP.Net 会话生命周期(或生命周期)概念感到困惑.更具体地说，我的困惑是:

I am confused about ASP or ASP.Net session life time (or life cycle) concepts. More specifically, my confusions are:

1. IIS 如何决定新会话何时开始和现有会话何时结束?特别是当我们调用重定向代码时，IIS如何决定会话是继续还是结束?
2. 如何设置会话过期时间?(目前我只知道通过web.config sessionState项来设置.)
3. 一个会话是否可以访问另一个会话的变量?

推荐答案

1. 会话开始是因为请求不包含会话 cookie，或者它包含的会话 cookie 不再映射到会话.会话以 a) 结束，它处于空闲状态，在超时期间没有进一步的请求引用它.b)它被代码故意中止.c) 进程执行时进程内会话终止，例如当应用被回收时.

1. Session starts because the request does not contain a session cookie or the session cookie it does contain no longer maps to a session. A session ends by a) it has sat idle with no further requests referencing it for the timeout period. b) Its deliberately aborted by code. c) In-process session dies when the process does, e.g. when the app is recycled.

更改超时的不同方法基本上是修改 web.config 或从其继承值的配置文件.

Different ways to change the timeout are basically modifing the web.config anyway or a config file from which the value is inherited.

除非会话对象被代码故意放置在另一个会话可以访问它的地方.

Not unless the session object is deliberately placed by code somewhere that another session can access it.

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