IIS7禁用單個靜態檔案的快取配置方法

桃子夭夭發表於2015-10-21
快取

IIS7中，想將一個經常修改的靜態檔案設定為不可快取，在IIS配置介面裡怎麼也找不到...

一番google之後在stackoverflow裡邊發現了這樣一段回答，最終解決了問題：

 just stumbled across this question; you can use the following to disable the cache on a specific file:

<configuration>
  <location path="path/to/the/file">
    <system.webServer>
      <staticContent>
        <clientCache cacheControlMode="DisableCache" />
      </staticContent>
    </system.webServer>
  </location>
</configuration>
(Note that the path is relative to the web.config file)

Alternatively, place the single file in a directory on it's own, and give that directory it's own web.config that disables caching for everything in it;

<configuration>
  <system.webServer>
    <httpProtocol>
      <customHeaders>
        <add name="Cache-Control" value="no-cache" />
      </customHeaders>
    </httpProtocol>
  </system.webServer>
</configuration>
[Both tested on IIS7.5 on Windows 7, but you'll have to confirm that it works OK on Azure]

按照回答中的方法在web.config裡邊進行配置，再訪問，在header裡邊就可以看到

Cache-Control:no-cache

了，證明配置生效~

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