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我正在使用Signal20.0.0包中的VS2012「Fall」更新。調用服務器端函數可以正常工作。但是客戶端功能不會被調用。當onBroadcastMessage()
(見下文)被調用時似乎沒有任何事情發生。Signalr不調用客戶端功能
問題:
- 我缺少什麼?
- 有沒有辦法調試客戶端調用?
謝謝!
服務器代碼:
using Microsoft.AspNet.SignalR;
namespace KPMain
{
public class RealtimeConnectionHub : Hub
{
public void BroadcastMessage(string name, string message) {
Clients.All.onBroadcastMessage(name, message);
}
}
}
路由登記:
public class RouteConfig
{
public static void RegisterRoutes(RouteCollection routes) {
HubConfiguration hubConfig = new HubConfiguration();
#if DEBUG
hubConfig.EnableDetailedErrors = true;
#endif
routes.MapHubs(hubConfig);
...
}
}
客戶機代碼(簡化):
var rtcom = new RealtimeConnection();
rtcom.init({debug: true}, function() {
rtcom.subscribe(function (sender, message) {
if (message) {
alert("message");
}
});
});
RealtimeConnection: function() {
var
_rtHub = $.connection.realtimeConnectionHub,
_initialized = false,
_init = function (options, cb) {
options = options || {};
$.connection.hub.logging = options.debug;
$.connection.hub.start().done(function() {
_initialized = true;
if (cb) { cb(); }
});
},
_broadcast = function (message) {
if (_initialized) {
_rtHub.server.broadcastMessage("testuser", message);
}
},
_subscribe = function (cb) {
if (_initialized) {
_rtHub.client.onBroadcastMessage = cb;
}
};
return {
initialized: _initialized,
broadcast: _broadcast,
subscribe: _subscribe,
init: _init
};
}
$("#container").on("click", "button.chat-btnSendMessage", function() {
rtcom.broadcast($(this).parent().find("input").val());
});
日誌(使用鉻):
[16:58:01 GMT+0100 (W. Europe Standard Time)] SignalR: Negotiating with '/signalr/negotiate'. jquery.signalR-1.0.0.js:54
[16:58:02 GMT+0100 (W. Europe Standard Time)] SignalR: Attempting to connect to SSE endpoint 'http://w2008r2portal/signalr/connect?transport=serverSentEvents&connectionT…EgDDEU0WLhHVzI7ZUnA0impltR7HYNTGHUJJYAXew1Leg2&connectionData=%5B%5D&tid=0' jquery.signalR-1.0.0.js:54
[16:58:03 GMT+0100 (W. Europe Standard Time)] SignalR: EventSource connected jquery.signalR-1.0.0.js:54
[16:58:03 GMT+0100 (W. Europe Standard Time)] SignalR: Now monitoring keep alive with a warning timeout of 13333.333333333332 and a connection lost timeout of 20000
Request URL:http://xxx/signalr/send?transport=serverSentEvents&connectionToken=lnTczBgQB0dj...
Request Method:POST
Status Code:200 OK
Request Headers
Accept:application/json, text/javascript, */*; q=0.01
Accept-Charset:ISO-8859-1,utf-8;q=0.7,*;q=0.3
Accept-Encoding:gzip,deflate,sdch
Accept-Language:en-US,en;q=0.8
Authorization:Negotiate YIIFXQYGKwYBBQUCoIIFUTCCBU2...
Connection:keep-alive
Content-Length:148
Content-Type:application/x-www-form-urlencoded; charset=UTF-8
Host:w2008r2portal
Origin:http://w2008r2portal
Referer:http://w2008r2portal/?tab=Start
User-Agent:Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.57 Safari/537.17
X-Requested-With:XMLHttpRequest
Query String Parameters
transport:serverSentEvents
connectionToken:lnTczB...
Form Data
data:{"H":"realtimeconnectionhub","M":"BroadcastMessage","A":["testuser","test"],"I":0}
Response Headers
Cache-Control:no-cache
Content-Type:application/json; charset=UTF-8
Date:Mon, 25 Feb 2013 15:58:04 GMT
Expires:-1
Persistent-Auth:false
Pragma:no-cache
Server:Microsoft-IIS/7.5
Transfer-Encoding:chunked
WWW-Authenticate:Negotiate oYGyMIGvoAMKAQChCwY...
X-AspNet-Version:4.0.30319
X-Content-Type-Options:nosniff
X-Powered-By:ASP.NET
在調用start()之前定義一個客戶端函數。我應該在Signalr wiki頁面上閱讀過這些內容嗎? – mhu 2013-02-25 19:55:43
好點,這個問題很常問,我會更新常見問題來解釋它。 – 2013-02-25 22:02:21
在定義客戶端函數之後啓動客戶端小組在這裏解決了問題。非常感謝 ! – 2016-11-30 16:07:14