PM> Install-Package Microsoft.AspNet.SignalR
using Microsoft.AspNet.SignalR;
using Microsoft.AspNet.SignalR.Hubs;
namespace SignalR02
{
[HubName("chat")]
public class ChatHub : Hub
{
public void SendMessage(string message)
{
Clients.All.hello(message);
}
}
}using System;
using System.Web;
using System.Web.Routing;
namespace SignalR02
{
public class Global : HttpApplication
{
protected void Application_Start(object sender, EventArgs e)
{
// Register the default hubs route: ~/signalr
RouteTable.Routes.MapHubs();
}
}
}http://localhost/signalr/hubs
proxies.chat = this.createHubProxy('chat');Web socket -> SSE -> Forever frame -> long polling
C: cursor M: Messages H: Hub name M: Method name A: Method args T: Time out D: Disconnect
using Microsoft.AspNet.SignalR;
using Microsoft.AspNet.SignalR.Hubs;
namespace SignalR02
{
[HubName("chat")]
public class ChatHub : Hub
{
public void SendMessage(string message)
{
var msg = string.Format("{0}:{1}", Context.ConnectionId, message);
Clients.All.hello(msg);
}
}
}//این دو عبارت هر دو یکی هستند Clients.Caller.hello(msg); Clients.Client(Context.ConnectionId).hello(msg);
Clients.Others.hello(msg);
public void JoinRoom(string room)
{
this.Groups.Add(Context.ConnectionId, room);
}
public void SendMessageToRoom(string room, string msg)
{
this.Clients.Group(room).hello(msg);
} public abstract class Hub : IHub, IDisposable
{
protected Hub();
public HubConnectionContext Clients { get; set; }
public HubCallerContext Context { get; set; }
public IGroupManager Groups { get; set; }
public void Dispose();
protected virtual void Dispose(bool disposing);
public virtual Task OnConnected();
public virtual Task OnDisconnected();
public virtual Task OnReconnected();
} public override System.Threading.Tasks.Task OnDisconnected()
{
sendMonitorData("OnDisconnected", Context.ConnectionId);
return base.OnDisconnected();
}
private void sendMonitorData(string type, string connection)
{
var ctx = GlobalHost.ConnectionManager.GetHubContext<MonitorHub>();
ctx.Clients.All.newEvenet(type, connection);
}mklink /j C:\android-sdk "C:\Program Files (x86)\Android\android-sdk"
<AotAssemblies>true</AotAssemblies> <EnableLLVM>true</EnableLLVM>
آموزش ساخت برنامه گفتگو با استفاده از SignalR و ReactJS.
<body> <component type="typeof(App)" render-mode="ServerPrerendered" />
<body>
<component type="typeof(App)" render-mode="ServerPrerendered" />
<div id="blazor-error-ui">
<environment include="Staging,Production">
An error has occurred. This application may no longer respond until reloaded.
</environment>
<environment include="Development">
An unhandled exception has occurred. See browser dev tools for details.
</environment>
<a href="" class="reload">Reload</a>
<a class="dismiss">🗙</a>
</div>
<script src="_framework/blazor.server.js"></script>
</body> <Router AppAssembly="@typeof(Program).Assembly" PreferExactMatches="@true">
<Found Context="routeData">
<RouteView RouteData="@routeData" DefaultLayout="@typeof(MainLayout)" />
</Found>
<NotFound>
<LayoutView Layout="@typeof(MainLayout)">
<p>Sorry, there's nothing at this address.</p>
</LayoutView>
</NotFound>
</Router> public void ConfigureServices(IServiceCollection services)
{
services.AddRazorPages();
services.AddServerSideBlazor();
services.AddSingleton<WeatherForecastService>();
} public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
// ...
app.UseEndpoints(endpoints =>
{
endpoints.MapBlazorHub();
endpoints.MapFallbackToPage("/_Host");
});
} 
namespace BlazorWasmSample
{
public class Program
{
public static async Task Main(string[] args)
{
var builder = WebAssemblyHostBuilder.CreateDefault(args);
builder.RootComponents.Add<App>("#app");
builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) });
await builder.Build().RunAsync();
}
}
} 
<body>
<div id="app">Loading...</div>
<div id="blazor-error-ui">
An unhandled error has occurred.
<a href="" class="reload">Reload</a>
<a class="dismiss">🗙</a>
</div>
<script src="_framework/blazor.webassembly.js"></script>
</body> 
PM> Install-Package Microsoft.AspNet.SignalR.JS
Signalr.exe ghp http://localhost/
$.connection
$.connection.chatHub
<!DOCTYPE>
<html>
<head>
<title></title>
<script src="Scripts/jquery-1.6.4.min.js" type="text/javascript"></script>
<script src="Scripts/jquery.signalR-1.0.1.min.js" type="text/javascript"></script>
<script src="http://localhost:1072/signalr/hubs" type="text/javascript"></script>
</head>
<body>
<div>
<input id="txtMsg" type="text" /><input id="send" type="button" value="send msg" />
<ul id="messages">
</ul>
</div>
<script type="text/javascript">
$(function () {
var chat;
$.connection.hub.logging = true; //اطلاعات بیشتری را در جاوا اسکریپت کنسول مرورگر لاگ می‌کند
chat = $.connection.chat; //این نام مستعار پیشتر توسط ویژگی نام هاب تنظیم شده است
chat.client.hello = function (message) {
//متدی که در اینجا تعریف شده دقیقا مطابق نام متد پویایی است که در هاب تعریف شده است
//به این ترتیب سرور می‌تواند کلاینت را فراخوانی کند
$("#messages").append("<li>" + message + "</li>");
};
$.connection.hub.start(/*{ transport: 'longPolling' }*/); // فاز اولیه ارتباط را آغاز می‌کند
$("#send").click(function () {
// Hub's `SendMessage` should be camel case here
chat.server.sendMessage($("#txtMsg").val());
});
});
</script>
</body>
</html><script src="http://localhost:1072/signalr/hubs" type="text/javascript"></script>
- webSockets - forverFrame - serverSentEvents - longPolling
$.connection.hub.url = 'http://localhost:1072/signalr'; //چون در یک پروژه دیگر قرار داریم
using System;
using System.Web;
using System.Web.Routing;
using Microsoft.AspNet.SignalR;
namespace SignalR02
{
public class Global : HttpApplication
{
protected void Application_Start(object sender, EventArgs e)
{
// Register the default hubs route: ~/signalr
RouteTable.Routes.MapHubs(new HubConfiguration
{
EnableCrossDomain = true
});
}
}
}SignalR: Auto detected cross domain url. jquery.signalR-1.0.1.min.js:10 SignalR: Negotiating with 'http://localhost:1072/signalr/negotiate'. jquery.signalR-1.0.1.min.js:10 SignalR: SignalR: Initializing long polling connection with server. jquery.signalR-1.0.1.min.js:10 SignalR: Attempting to connect to 'http://localhost:1072/signalr/connect?transport=longPolling&connectionToken…NRh72omzsPkKqhKw2&connectionData=%5B%7B%22name%22%3A%22chat%22%7D%5D&tid=3' using longPolling. jquery.signalR-1.0.1.min.js:10 SignalR: Longpolling connected jquery.signalR-1.0.1.min.js:10
<!DOCTYPE>
<html>
<head>
<title></title>
<script src="Scripts/jquery-1.6.4.min.js" type="text/javascript"></script>
<script src="Scripts/jquery.signalR-1.0.1.min.js" type="text/javascript"></script>
</head>
<body>
<div>
<input id="txtMsg" type="text" /><input id="send" type="button" value="send msg" />
<ul id="messages">
</ul>
</div>
<script type="text/javascript">
$(function () {
$.connection.hub.logging = true; //اطلاعات بیشتری را در جاوا اسکریپت کنسول مرورگر لاگ می‌کند
var connection = $.hubConnection();
connection.url = 'http://localhost:1072/signalr'; //چون در یک پروژه دیگر قرار داریم
var proxy = connection.createHubProxy('chat');
proxy.on('hello', function (message) {
//متدی که در اینجا تعریف شده دقیقا مطابق نام متد پویایی است که در هاب تعریف شده است
//به این ترتیب سرور می‌تواند کلاینت را فراخوانی کند
$("#messages").append("<li>" + message + "</li>");
});
$("#send").click(function () {
// Hub's `SendMessage` should be camel case here
proxy.invoke('sendMessage', $("#txtMsg").val());
});
connection.start();
});
</script>
</body>
</html>PM> Install-Package Microsoft.AspNet.SignalR.Client
using System;
using Microsoft.AspNet.SignalR.Client.Hubs;
namespace SignalR02.WinClient
{
class Program
{
static void Main(string[] args)
{
var hubConnection = new HubConnection(url: "http://localhost:1072/signalr");
var chat = hubConnection.CreateHubProxy(hubName: "chat");
chat.On<string>("hello", msg => {
Console.WriteLine(msg);
});
hubConnection.Start().Wait();
chat.Invoke<string>("sendMessage", "Hello!");
Console.WriteLine("Press a key to terminate the client...");
Console.Read();
}
}
}
