<configuration> <system.web> <compilation debug="true" targetFramework="4.5.1" /> <httpRuntime targetFramework="4.5.1" /> </system.web> <system.webServer> <staticContent> <remove fileExtension=".json" /> <mimeMap fileExtension=".json" mimeType="application/json" /> </staticContent> </system.webServer> </configuration>
原文：http://www.cnblogs.com/milooooo/p/6932063.html