AngulaJs+Web Api Cors 跨域访问失败的解决办法

//在服务的WebConfig文件中添加以下代码即可

//如节点已存在请去掉

<system.webServer>　　
<httpProtocol>

<customHeaders>
<add name="Access-Control-Allow-Origin" value="*" />
<add name="Access-Control-Allow-Methods" value="POST" />
<add name="Access-Control-Allow-Headers" value="content-type" />
</customHeaders>

</httpProtocol>
</system.webServer>