android从IIS/asp.net下载apk文件

解决步骤：

1.web.config中

<configuration>  <configSections>    ...    <section name="rewriter" requirePermission="false" type="Intelligencia.UrlRewriter.Configuration.RewriterConfigurationSectionHandler, Intelligencia.UrlRewriter" /><!--加入此行-->  </configSections>　...  <system.web>
    <httpModules>
      <add name="UrlRewriter" type="Intelligencia.UrlRewriter.RewriterHttpModule, Intelligencia.UrlRewriter" /><!--加入此行-->

    </httpModules>  ...　</system.web>  ...  <system.webServer>        <validation validateIntegratedModeConfiguration="false" />    <modules runAllManagedModulesForAllRequests="true"><!--加入此行-->    </modules>  ...

</configuration>

2. App_Start/RouteConfig.cs文件中　　

    public class RouteConfig
    {
        public static void RegisterRoutes(RouteCollection routes)
        {
            routes.IgnoreRoute("{resource}.axd/{*pathInfo}");
            routes.IgnoreRoute("{resource}.apk");// 加入此行

            ...
         }
      }

3. IIS中配置MIME文件映射

.apk    application/vnd.android