WebAPI记录发布3

   public class CrossSiteAttribute : System.Web.Http.Filters.ActionFilterAttribute    {        private const string Origin = "Origin";        private const string AccessControlAllowOrigin = "Access-Control-Allow-Origin";        private const string originHeaderdefault = "*";        public override void OnActionExecuted(System.Web.Http.Filters.HttpActionExecutedContext actionExecutedContext)        {            actionExecutedContext.Response.Headers.Add(AccessControlAllowOrigin, originHeaderdefault);         }    }

跨域加载 行为体上面