如何更改标题为特定类型的IIS / MVC送达文件 [英] How to change headers for specific types of files served in IIS / MVC

问题描述

我实现了超过3G造成02 COM pression问题该问题的补丁。

I am implementing a fix for the problem caused by 02 compression issues over 3G.

<一个href=\"http://stackoverflow.com/questions/3282373/web-site-exhibits-javascript-error-on-ipad-iphone-under-3g-but-not-under-wifi\">Web现场展品在3G iPad / iPhone的JavaScript错误而不是下的WiFi

最好的解决方案似乎是的http：// stuartroebuck.blogspot.com/2010/08/official-way-to-bypassing-data.html 这基本上是添加标题缓存控制：无转换在IIS，但是我想这仅适用于特定的文件类型。什么是做到这一点的最简单的方法？

The best solution seems to be http://stuartroebuck.blogspot.com/2010/08/official-way-to-bypassing-data.html which is basically to add the header Cache-Control: no-transform in IIS, however I would like to apply this only to specific file types. What is the easiest way to do this?

推荐答案

这是我写的HttpModule的最佳解决方案。我写了个例子。
您可以检查MIME类型特定的文件类型。

It is the best solution for me to write a HttpModule. I wrote an example for you. You can check mime type for specific file types.

public class AddHeaderModule : IHttpModule
{
    public void Init(HttpApplication context)
    {
        context.EndRequest += OnEndRequest;
    }

    void OnEndRequest(object sender, System.EventArgs e)
    {
        if(HttpContext.Current.Response.ContentType == "image/jpeg")
            HttpContext.Current.Response.Headers.AddHeader("Cache-Control", "no-transform");
    }
}

你也需要添加的web.config

Also you have to add it web.config

<configuration>
   <system.web>
      <httpModules>
         <add name="AddHeaderModule" type="your.namespace.AddHeaderModule" />
      </httpModules>
   </system.web>
</configuration>

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