blocks|key|3063839|text|您可以在根web.config中为整个文件夹设置特定的缓存头|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|3063840|<?xml+version="1.0"+encoding="UTF-8"?>
<configuration>
++
++<location+path="images">
++++<system.webServer>
++++++<staticContent>
++++++++<clientCache+cacheControlMode="UseMaxAge"+cacheControlMaxAge="00:00:15"+/>
++++++</staticContent>
++++</system.webServer>
++</location>
</configuration>|code-block|syntax|javascript|3063841|或者，您可以在content文件夹的web.config文件中指定以下内容：|3063842|<?xml+version="1.0"+encoding="UTF-8"?>
<configuration>
++<system.webServer>
++++<staticContent>
++++++<clientCache+cacheControlMode="UseMaxAge"+cacheControlMaxAge="00:00:15"+/>
++++</staticContent>
++</system.webServer>
</configuration>|3063843|我不知道有没有针对特定文件类型的内置机制。|3063844|entityMap^0|5|A|0|0|I|A|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|V|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|W|8|@$9|X|A|Y|B|C]]|D|@]|E|$]]|$1|M|3|N|5|H|7|Z|8|@]|D|@]|E|$I|J]]|$1|O|3|P|5|6|7|10|8|@]|D|@]|E|$]]|$1|Q|3|-4|5|6|7|11|8|@]|D|@]|E|$]]]|R|$]]

You can set specific cache-headers for a whole folder in either your root <code>web.config</code>:

<pre class="lang-xml prettyprint-override"><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
&lt;configuration&gt;
 &lt;!-- Note the use of the 'location' tag to specify which 
 folder this applies to--&gt;
 &lt;location path="images"&gt;
 &lt;system.webServer&gt;
 &lt;staticContent&gt;
 &lt;clientCache cacheControlMode="UseMaxAge" cacheControlMaxAge="00:00:15" /&gt;
 &lt;/staticContent&gt;
 &lt;/system.webServer&gt;
 &lt;/location&gt;
&lt;/configuration&gt;
</code></pre>

Or you can specify these in a <code>web.config</code> file in the content folder:

<pre class="lang-xml prettyprint-override"><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
&lt;configuration&gt;
 &lt;system.webServer&gt;
 &lt;staticContent&gt;
 &lt;clientCache cacheControlMode="UseMaxAge" cacheControlMaxAge="00:00:15" /&gt;
 &lt;/staticContent&gt;
 &lt;/system.webServer&gt;
&lt;/configuration&gt;
</code></pre>

I'm not aware of a built in mechanism to target specific file types.

blocks|key|320167|text|您可以在每个文件的基础上执行此操作。使用path属性包含文件名|type|unstyled|depth|inlineStyleRanges|entityRanges|data|320168|<?xml+version="1.0"+encoding="UTF-8"?>
<configuration>
++++<location+path="YourFileNameHere.xml">
++++++++<system.webServer>
++++++++++++<staticContent>
++++++++++++++++<clientCache+cacheControlMode="DisableCache"+/>
++++++++++++</staticContent>
++++++++</system.webServer>
++++</location>
</configuration>|code-block|syntax|javascript|320169|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|$]]

You can do it on a per file basis. Use the path attribute to include the filename

<pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
&lt;configuration&gt;
 &lt;location path="YourFileNameHere.xml"&gt;
 &lt;system.webServer&gt;
 &lt;staticContent&gt;
 &lt;clientCache cacheControlMode="DisableCache" /&gt;
 &lt;/staticContent&gt;
 &lt;/system.webServer&gt;
 &lt;/location&gt;
&lt;/configuration&gt;
</code></pre>

blocks|key|317391|text|我有相同的issue.For我的问题是如何配置缓存限制到images.And我遇到了这个网站，它提供了一些关于如何问题可以handled.Hope的程序的见解它将对你有帮助链接：[https://varvy.com/pagespeed/cache-control.html]|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|317392|entityMap|0|LINK|mutability|MUTABLE|url|https://varvy.com/pagespeed/cache-control.html]^0|2H|1C|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

I had the same issue.For me the problem was how to configure a cache limit to images.And i came across this site which gave some insights to the procedure on how the issue can be handled.Hope it will be helpful for you too 
Link:[<a href="https://varvy.com/pagespeed/cache-control.html]" rel="nofollow noreferrer">https://varvy.com/pagespeed/cache-control.html]</a>

I would like to set up rules in IIS7 for static content caching in my ASP.NET website.

I have seen these articles, which details how to do it using the <code>&lt;clientCache /&gt;</code> element in <code>web.config</code>:

<blockquote>
 <a href="http://www.iis.net/ConfigReference/system.webServer/staticContent/clientCache" rel="noreferrer">Client Cache <code>&lt;clientCache&gt;</code> (IIS.NET)</a> 
 <a href="https://stackoverflow.com/questions/865252/add-expires-or-cache-control-header-to-static-content-in-iis">Add Expires or Cache Control Header to static content in IIS (Stack Overflow)</a>
</blockquote>

However, this setting appears to apply globally to all static content. Is there a way to do this just for certain directories or extensions?

For example, I may have two directories which need separate cache settings:

<blockquote>
 <code>/static/images</code> 
 <code>/content/pdfs</code>
</blockquote>

Is it possible to set up rules for sending cache headers (<code>max-age</code>, <code>expires</code>, etc) based on extensions and folder paths?

Please note, I must be able to do this via <code>web.config</code> because I don't have access to the IIS console.

How to configure static content cache per folder and extension in IIS7?

我想为我的ASP.NET网站中的静态内容缓存在IIS7中设置规则。我看过这些文章，其中详细介绍了如何在web.config中使用<clientCache />元素 但是，此设置似乎全局应用于所有静态内容。有没有办法只针对某些目录或扩展名这样做？例如，我可能有两个目录，它们需要单独的缓存设置： /static/image...

问如何在IIS7中为每个文件夹和扩展配置静态内容缓存？
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