参考:http://stackoverflow.com/questions/6290053/setting-access-control-allow-origin-in-asp-net-mvc-simplest-possible-method
web.config添加自定义Headers
<system.webServer>
<httpProtocol>
<customHeaders>
<add name="Access-Control-Allow-Origin" value="*" />
</customHeaders>
</httpProtocol>
</system.webServer>