在web.config文件中的 system.webServer 节点下 增加如下配置
<httpProtocol> <customHeaders> <add name="Access-Control-Allow-Origin" value="*" /> <add name="Access-Control-Allow-Headers" value="*" /> <add name="Access-Control-Allow-Methods" value="GET, POST, PUT, DELETE" /> </customHeaders> </httpProtocol>
原文：http://www.cnblogs.com/sexintercourse/p/7011390.html