http://blog.csdn.net/kesalin/article/details/8166925
打开 NuGet 的 package manager console(Tools->Library package manager)，输入：install-package SignalR.Sample，回车安装
后台：
using Microsoft.AspNet.SignalR; using Microsoft.AspNet.SignalR.Hubs; using Microsoft.Owin.Cors; using Microsoft.Owin.Hosting; using Owin; using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace SignalRBackService { class Program { static void Main(string[] args) { string url = "http://192.168.2.171:8181"; using (WebApp.Start(url)) { Console.WriteLine("Server running on {0}", url); Console.ReadLine(); } } } public class Startup { public void Configuration(IAppBuilder app) { app.Map("/signalr", map => { // Setup the cors middleware to run before SignalR. // By default this will allow all origins. You can // configure the set of origins and/or http verbs by // providing a cors options with a different policy. map.UseCors(CorsOptions.AllowAll); var hubConfiguration = new HubConfiguration { // You can enable JSONP by uncommenting line below. // JSONP requests are insecure but some older browsers (and some // versions of IE) require JSONP to work cross domain // EnableJSONP = true //EnableJSONP = true, //EnableDetailedErrors = true, //EnableJavaScriptProxies = true }; // Run the SignalR pipeline. We're not using MapSignalR // since this branch is already runs under the "/signalr" // path. map.RunSignalR(hubConfiguration); }); } } [HubName("myHub")] public class MyHub : Hub { public void Send(string group, string recipient, string name, string message) { // IHubContext context = GlobalHost.ConnectionManager.GetHubContext<MyHub>(); var dd = Context.ConnectionId; #region 单个人 //if (!string.IsNullOrEmpty(recipient)) //{ // //单个人 // Clients.Client(recipient).addMessage(name, message); //} //else //{ // //全部 // Console.WriteLine(message); // Clients.All.addMessage(name, message); //} #endregion #region 群组 if (!string.IsNullOrEmpty(group)) { var ids = group.Split(','); foreach (var id in ids) { Groups.Add(id, "测试组"); } Clients.Group("测试组").addMessage(name, message); } #endregion //var toSelfinfo = "You had sent message " + message; //Caller.addSomeMessage(clientName, toSelfinfo); //// Call the addMessage method on all clients //Clients.addSomeMessage(clientName, message); //Clients[Context.ConnectionId].addSomeMessage(name, message); } } }
前端：
<!DOCTYPE html>
<html>
<head>
<title>SignalR Simple Chat</title>
<style type="text/css">
.container {
background-color: #99CCFF;
border: thick solid #808080;
padding: 20px;
margin: 20px;
}
</style>
</head>
<body>
<div class="container">
消息：<input type="text" id="message" />
接收者：<input type="text" id="recipientId" />
群组：<input type="text" id="groupId" />
<input type="button" id="sendmessage" value="Send" />
<input type="hidden" id="displayname" />
<ul id="discussion"></ul>
</div>
<!--Script references. -->
<!--Reference the jQuery library. -->
<script src="Scripts/jquery-1.8.2.min.js"></script>
<!--Reference the SignalR library. -->
<script src="Scripts/jquery.signalR-2.1.1.min.js"></script>
<!--Reference the autogenerated SignalR hub script. -->
<script src="http://192.168.2.171:8181/signalr/hubs"></script>
<!--Add script to update the page and send messages.-->
<script type="text/javascript">
$(function () {
//Set the hubs URL for the connection
$.connection.hub.url = "http://192.168.2.171:8181/signalr";
for(var i in $.connection){
console.log(i+":"+$.connection)
}
// Declare a proxy to reference the hub.
var chat = $.connection.myHub;
// Create a function that the hub can call to broadcast messages.
chat.client.addMessage = function (name, message) {
alert(message);
// Html encode display name and message.
//var encodedName = $('<div />').text(name).html();
//var encodedMsg = $('<div />').text(message).html();
// Add the message to the page.
//$('#discussion').append('<li><strong>' + encodedName
// + '</strong>: ' + encodedMsg + '</li>');
};
// Get the user name and store it to prepend to messages.
$('#displayname').val(prompt('Enter your name:', ''));
// Set initial focus to message input box.
$('#message').focus();
// Start the connection.
$.connection.hub.start().done(function () {
$('#sendmessage').click(function () {
// Call the Send method on the hub.
chat.server.send($('#groupId').val(),$('#recipientId').val(), $('#displayname').val(), $('#message').val());
// Clear text box and reset focus for next comment.
$('#message').val('').focus();
});
});
});
</script>
</body>
</html>
设置signalr的标识