解决webapi跨域问题

 

 

在Web.config 的<system.webServer>添加如下代码

<httpProtocol>
<customHeaders>
<add name="Access-Control-Allow-Origin" value="*" />
<add name="Access-Control-Allow-Headers" value="Content-Type,Authorization" />
<add name="Access-Control-Allow-Methods" value="GET,POST,PUT,DELETE,OPTIONS" />
</customHeaders>
</httpProtocol>

 

事例：