SignalR主动通知订阅者示例

html代码:

+ View Code?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

<script src="~/Scripts/jquery.signalR-2.2.0.min.js"></script> <script src="@Url.Content("~/signalr/hubs")" type="text/javascript"></script> <script>     $(function () {         var hub = $.connection.payHub;         hub.client.waitNotify = function (tran, url) {             console.log("waitNotify:" + tran + "   " + url);             if (tran) {                 location.href = url;             }           };         $.connection.hub.start().done(function () {             console.log("hub done");         });     }) </script>

hub代码：

+ View Code?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

[HubName("payHub"), Authorize]     public class payHub : Hub     {         public static Dictionary<Guid, string> userPayHub = new Dictionary<Guid, string>();         public static void Notify(Guid userId, string redirectUrl)         {             if (userPayHub.ContainsKey(userId))             {                 Microsoft.AspNet.SignalR.GlobalHost.ConnectionManager.GetHubContext<Hubs.payHub>()                    .Clients.Client(Hubs.payHub.userPayHub[userId])                    .waitNotify(true, redirectUrl);             }         }         public override Task OnConnected()         {             var uid = this.Context.User.Identity.GetUserId();             userPayHub[uid] = this.Context.ConnectionId;             return base.OnConnected();         }         public override Task OnDisconnected(bool stopCalled)         {             var uid = this.Context.User.Identity.GetUserId();             userPayHub.Remove(uid);             return base.OnDisconnected(stopCalled);         }         public override Task OnReconnected()         {             var uid = this.Context.User.Identity.GetUserId();             userPayHub.Remove(uid);             return base.OnReconnected();         }     }

通知调用Notify方法即可。

关键点：GlobalHost.ConnectionManager.GetHubContext