blocks|key|4036786|text|Rails维基上的session+options页面提示，这只能通过插件实现：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|4036787|4036788|设置会话cookie过期时间|4036789|不幸的是，Rails无法动态设置会话cookie的过期时间。因此，建议您使用以下插件来完成此任务：http://blog.codahale.com/2006/04/08/dynamic-session-expiration-times-with-rails/|4036790|4036791|当然，要考虑到这个插件是旧的，并且可能不能与您当前版本的Rails一起工作(我还没有看过细节)。|4036792|entityMap|0|LINK|mutability|MUTABLE|url|http://wiki.rubyonrails.org/rails/pages/HowtoChangeSessionOptions|1|http://blog.codahale.com/2006/04/08/dynamic-session-expiration-times-with-rails/^0|9|F|0|0|0|0|1D|28|1|0|0|0^^$0|@$1|2|3|4|5|6|7|V|8|@]|9|@$A|W|B|X|1|Y]]|C|$]]|$1|D|3|-4|5|6|7|Z|8|@]|9|@]|C|$]]|$1|E|3|F|5|6|7|10|8|@]|9|@]|C|$]]|$1|G|3|H|5|6|7|11|8|@]|9|@$A|12|B|13|1|14]]|C|$]]|$1|I|3|-4|5|6|7|15|8|@]|9|@]|C|$]]|$1|J|3|K|5|6|7|16|8|@]|9|@]|C|$]]|$1|L|3|-4|5|6|7|17|8|@]|9|@]|C|$]]]|M|$N|$5|O|P|Q|C|$R|S]]|T|$5|O|P|Q|C|$R|U]]]]

The <a href="http://wiki.rubyonrails.org/rails/pages/HowtoChangeSessionOptions" rel="nofollow noreferrer">session options</a> page on the Rails wiki hints that this is only possible through a plugin:

<hr>

<h2>Set the session cookie expire time</h2>

Unfortunately Rails has no way to dynamically set the expiry time of the session cookie. So it is recommended that you use the following plugin, which allows you to accomplish it: <a href="http://blog.codahale.com/2006/04/08/dynamic-session-expiration-times-with-rails/" rel="nofollow noreferrer">http://blog.codahale.com/2006/04/08/dynamic-session-expiration-times-with-rails/</a>

<hr>

Of course take into account that the plugin is old, and may not work with your current version of Rails (I haven't looked at the specifics)

blocks|key|4036833|text|您可以尝试将以下行添加到environment.rb文件：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4036834|session+:session_key+=>+'my_session_key'
session+:session_expires+=>+1.day.from_now|code-block|syntax|javascript|4036835|或者，可以按如下方式设置会话选项：|4036836|ActionController::Base.session_options[:session_expires]+=+1.day.from_now|4036837|我还没有粗略地测试过这个想法，所以YMMV。|4036838|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

You could try adding the following line to your environment.rb file:

<pre><code>session :session_key =&gt; 'my_session_key'
session :session_expires =&gt; 1.day.from_now
</code></pre>

Alternatively, you can set the session options as follows:

<pre><code>ActionController::Base.session_options[:session_expires] = 1.day.from_now
</code></pre>

I've not tested this thouroughly, so YMMV.

blocks|key|4036885|text|理想情况下，您可能希望向environment.rb添加类似以下内容：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4036886|session+:session_expires+=>+1.day.from_now|code-block|syntax|javascript|4036887|但这是行不通的，因为当应用程序启动时，代码只运行一次，因此第二天创建的所有会话都是在过去到期的。|4036888|我通常将session_expires设置为远在未来的某个时间(6个月)。然后在我的应用程序控制器上的before_filter中手动设置和检查session[:expires]日期，并在该日期过后重置会话。|offset|length|style|CODE|4036889|这使得在登录时添加'Keep+me+logged+for+___‘选项变得非常容易，你只需设置session[:expires]+=+Time.now+%2B+___|4036890|entityMap^0|0|0|0|4|F|1F|D|20|H|0|1B|Y|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|V|8|@$K|W|L|X|M|N]|$K|Y|L|Z|M|N]|$K|10|L|11|M|N]]|9|@]|A|$]]|$1|O|3|P|5|6|7|12|8|@$K|13|L|14|M|N]]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|15|8|@]|9|@]|A|$]]]|R|$]]

Ideally, you'd want to add something like this to environment.rb:

<pre><code>session :session_expires =&gt; 1.day.from_now
</code></pre>

But that won't work because the code is only run once when the APP is started and thus the next day all your sessions are being created with an expiration in the past.

I usually set the <code>session_expires</code> to some time far in the future (6 months). Then manually set and check a <code>session[:expires]</code> date in a <code>before_filter</code> on my application controller and reset the session when that date has passed.

This makes it VERY easy to add a 'Keep me logged in for ___' option when signing in, you just set <code>session[:expires] = Time.now + ___</code>

blocks|key|853754|text|使用这个，它在rails+2.1.x中对我很有效：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|853755|SlidingSessions|offset|length|853756|目前，我将cookie设置为在用户登录2周后过期，将其设置为30分钟非常简单。|853757|entityMap|0|LINK|mutability|MUTABLE|url|http://squarewheel.wordpress.com/2007/11/03/session-cookie-expiration-time-in-rails/^0|0|0|F|0|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Q|8|@]|9|@$D|R|E|S|1|T]]|A|$]]|$1|F|3|G|5|6|7|U|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|V|8|@]|9|@]|A|$]]]|I|$J|$5|K|L|M|A|$N|O]]]]

Use this, it's working for me in rails 2.1.x:

<a href="http://squarewheel.wordpress.com/2007/11/03/session-cookie-expiration-time-in-rails/" rel="nofollow noreferrer">SlidingSessions</a>

I currently have cookies set to expire exactly 2 weeks after a user logs in, and setting it to 30 minutes is simple.

blocks|key|3190595|text|在办公室的一次谈话中，我偶然发现了这个问题。为了完整起见，我发现可以在一段时间不活动后终止会话，这是Rails内置的。在config/environment.rb+ment.rb中，执行类似以下内容的操作：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3190596|config.action_controller.session+=+{
++:key++++++++++=>+'whatever',
++:secret+++++++=>+'nottellingyou',
++:expire_after+=>+30.minutes
}|code-block|syntax|javascript|3190597|请查看lib/action_controller/session/cookie_store.rb#114，了解该选项(显然没有文档)的实际应用。看起来自从2008年12月迁移到Rack+sessions以来，它就已经存在了。|offset|length|3190598|entityMap|0|LINK|mutability|MUTABLE|url|http://github.com/rails/rails/blob/2-3-stable/actionpack/lib/action_controller/session/cookie_store.rb#L114^0|0|0|3|1D|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@]|9|@$I|V|J|W|1|X]]|A|$]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|R]]]]

I stumbled across this question after a conversation in the office. Just for the sake of completeness, I've discovered that it is possible to expire sessions after a period of inactivity and it's built into Rails. In config/environment.rb, do something along the lines of:

<pre><code>config.action_controller.session = {
 :key =&gt; 'whatever',
 :secret =&gt; 'nottellingyou',
 :expire_after =&gt; 30.minutes
}
</code></pre>

Check out <a href="http://github.com/rails/rails/blob/2-3-stable/actionpack/lib/action_controller/session/cookie_store.rb#L114" rel="noreferrer">lib/action_controller/session/cookie_store.rb#114</a> for the (apparently undocumented) option in action. Looks like it's been around since the move to Rack sessions back in December 2008.

blocks|key|848347|text|在经历了大量的痛苦和试验之后，可以在Rails3.x中找到，您需要在每个请求中的After过滤器中设置自定义会话参数|type|unstyled|depth|inlineStyleRanges|entityRanges|data|848348|++++class+ApplicationController+<+ActionController::Base

++++++after_filter+:short_session

++++++...

++++++def+short_session
++++++++request.session_options+=+request.session_options.dup
++++++++request.session_options[:expire_after]+=+1.minute
++++++++request.session_options.freeze
++++++end|code-block|syntax|javascript|848349|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

After a lot of pain &amp; experimenting, found in Rails 3.x, you need to set your custom session parameters in an after filter in every request

<pre><code> class ApplicationController &lt; ActionController::Base

 after_filter :short_session

 ...

 def short_session
 request.session_options = request.session_options.dup
 request.session_options[:expire_after] = 1.minute
 request.session_options.freeze
 end
</code></pre>

I'm currently using the ActiveRecord-based session store for my Rails app and I have a background process which clears out inactive sessions every 30 minutes.

I'd like to switch to Rails' new cookie-based session store but how do I set the expiry time of the session to 30 minutes, as opposed to the default 'at end of session' value?

How to I dynamically set the expiry time for a cookie-based session in Rails

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我目前正在为我的Rails应用程序使用基于ActiveRecord的会话存储，并且我有一个后台进程，它每30分钟清除一次不活动的会话。我想切换到Rails的新的基于cookie的会话存储，但是我如何将会话的过期时间设置为30分钟，而不是默认的‘在会话结束时’值？

问如何在Rails中动态设置基于cookie的会话的过期时间
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问如何在Rails中动态设置基于cookie的会话的过期时间EN