Asp.Net MVC中请求json文件时返回404 not found的解决办法

在web.config目录下添加

<system.webServer>
 <staticContent>
  <mimeMap fileExtension=".json" mimeType="application/json; charset=UTF-8" />
 </staticContent>
</system.webServer>

 答案来自http://stackoverflow.com/questions/22951046/404-not-found-when-i-look-for-json-file-in-asp-net-mvc-app