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   源码介绍

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using Microsoft.AspNet.SignalR;
using System;
using System.Text;
using System.Timers;
using System.Web;
using System.Web.Mvc;
using System.Web.Routing;

namespace siganlR_example
{
    public class MvcApplication : System.Web.HttpApplication
    {
        protected void Application_Start() {

            Timer timer = new Timer(1000);
            timer.AutoReset = true;

            timer.Elapsed  = (sender, e) =>
            {
                StringBuilder sb = new StringBuilder();
                sb.Append("Server Time: ")
                    .Append("<span style=\"color: red\">")
                    .Append(System.DateTime.Now.ToLongTimeString())
                    .Append("</span>");

                IHubContext context = GlobalHost.ConnectionManager.GetHubContext<SignalRHub>();
                context.Clients.All.JustSendAMessage(sb.ToString());
            };

            timer.Start();
        }

        protected void Application_BeginRequest(object sender, EventArgs e)
        {
            HttpContext.Current.Response.Cache.SetCacheability(HttpCacheability.NoCache);
            HttpContext.Current.Response.Cache.SetNoStore();
        }
    }
}