.Net FarmeWork跨域

if (System.Configuration.ConfigurationManager.AppSettings["debug"] == "1")
            {

                var cors = new System.Web.Http.Cors.EnableCorsAttribute("*", "*", "*");


                GlobalConfiguration.Configuration.EnableCors(cors);
                //调用SwaggerUi生成交互式的文档
                ConfigureSwaggerUi();
            }