Asp.Net WebApi 开启开启跨域方式

1 Nuget报名:Microsoft.AspNet.WebApi.Cors

2 使用如下

 public class WebApiApplication : System.Web.HttpApplication
  {
    protected void Application_Start()
    {
      GlobalConfiguration.Configure(Register);
    }
    public static void Register(HttpConfiguration config)
    {
      config.EnableCors();
    }
  }