ajax跨域解决方案2

配置文件添加：

<system.webServer>  

    <httpProtocol>   

    <customHeaders>   

      <add name="Access-Control-Allow-Methods" value="OPTIONS,POST,GET"/>   

      <add name="Access-Control-Allow-Headers" value="x-requested-with,content-type"/>   

      <add name="Access-Control-Allow-Origin" value="*" />   

    </customHeaders>   

  </httpProtocol>   

</system.webServer>