/// <summary>    /// Cors扩展    /// </summary>    public static class IPipelinesExtensions    {        /// <summary>        /// CORS Enable        /// </summary>        /// <param name="pipelines">pipelines</param>        public static void UserCors(this IPipelines pipelines)        {            pipelines.AfterRequest.AddItemToEndOfPipeline((ctx) =>            {                ctx.Response.WithHeader("Access-Control-Allow-Origin", "*")                                .WithHeader("Access-Control-Allow-Methods", "POST,GET")                                .WithHeader("Access-Control-Allow-Headers", "Accept, Origin, Content-type");            });        }    }    /// <summary>    /// Nancyfx Ioc    /// </summary>    public class MyBootstrapper : DefaultNancyBootstrapper    {        protected override void ApplicationStartup(TinyIoCContainer container, IPipelines pipelines)        {            // pipelines.UserCors();            base.ApplicationStartup(container, pipelines);        }        protected override void ConfigureApplicationContainer(TinyIoCContainer container)        {            container.Register<ISys_User, Sys_User>            base.ConfigureApplicationContainer(container);        }    }