来自于:zslm_

    1. <system.webServer>
    2. <httpProtocol>
    3. <customHeaders>
    4. <add name="Access-Control-Allow-Methods" value="OPTIONS,POST,GET" />
    5. <add name="Access-Control-Allow-Headers" value="x-requested-with,content-type" />
    6. <add name="Access-Control-Allow-Origin" value="*" />
    7. </customHeaders>
    8. </httpProtocol>
    9. </system.webServer>

    或者在Action或Action过滤器里设置

    1. Response.Headers.Add("Access-Control-Allow-Origin", "*");
    2. Response.Headers.Add("Access-Control-Allow-Methods", "POST");
    3. Response.Headers.Add("Access-Control-Allow-Headers", "x-requested-with,content-type");