ASP.NET MVC中SignalR的簡單應(yīng)用

using Microsoft.Owin;
using Owin;
[assembly: OwinStartup(typeof(SignalRStartup.Startup))]
namespace SignalRStartup
{
 public class Startup
 {
 public void Configuration(IAppBuilder app)
 {
 // 配置集線器 
 app.MapSignalR();
 }
 }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Web;
using Microsoft.AspNet.SignalR;
namespace signalR
{
 public class ServerHub : Hub
 {
 public void SendMsg(string message)
 {
 //調(diào)用所有客戶端的sendMessage方法(sendMessage有2個(gè)參數(shù)) 
 Clients.All.sendMessage(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"), message);
 }
 }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;

namespace signalR.Controllers
{
 public class HomeController : Controller
 {
 public ActionResult Index()
 {
 return View();
 }
 }
}

@{ 
 ViewBag.title = "SignaIR聊天窗口"; 
} 
<div class="container"> 
 <input type="text" id="message" /> 
 <input type="button" id="sendmessage" value="biubiu" /> 
 <ul id="messageBox"></ul> 
</div> 
@section scripts 
{ 
 <script src="~/Scripts/jquery.signalR-2.2.2.min.js"></script> 
 <script src="~/signalr/hubs"></script> 
 <script> 
 $(function () { 
 //引用自動(dòng)生成的集線器代理 
 var chat = $.connection.serverHub; 
 //定義服務(wù)器調(diào)用的客戶端sendMessage來顯示新消息 
 chat.client.sendMessage = function (name, message) 
 { 
 //向頁面添加消息 
 $("#messageBox").append('<li><strong style="color:green">'+name+'</strong>:'+message+'</li>'); 
 } 
 //設(shè)置焦點(diǎn)到輸入框 
 $('#message').focus(); 
 //開始連接服務(wù)器 
 $.connection.hub.start().done(function () { 
 $('#sendmessage').click(function () { 
 //調(diào)用服務(wù)器端集線器的Send方法 
 chat.server.sendMsg($('#message').val()); 
 //清空輸入框信息并獲取焦點(diǎn) 
 $("#message").val('').focus(); 
 }) 
 }) 
 }); 
 </script> 
} 

 public void AddToRoom(string groupName, string userName)
 {
 //將連接添加到指定的組（Groups為HubBase中的接口屬性）
 Groups.Add(Context.ConnectionId, groupName);
 //根據(jù)組名稱獲取對(duì)應(yīng)客戶端的組,調(diào)用該組的addUserIn方法
 Clients.Group(groupName, new string[0]).addUserIn(groupName, userName);
 }
 public void Send(string groupName, string detail, string userName)
 {
 //Clients.All.addSomeMessage(detail);//群發(fā)給所有
 //調(diào)用客戶端某一個(gè)組的addSomeMessage
 Clients.Group(groupName, new string[0]).addSomeMessage(groupName, detail, userName);
 }

 chat.client.addSomeMessage = function(groupId, detail, userName) {
 console.info("廣播消息：" + detail);
 $("#contentMsg").append("<li>" + userName + ": " + detail + "</li>");
 };

 chat.client.addUserIn = function(groupId, userName) {
 $("#contentMsg").append("<li>" + userName + "進(jìn)入"+groupId+"號(hào)聊天室！</li>");
 };
 $.connection.hub.logging = true; //啟動(dòng)signalr狀態(tài)功能
 $.connection.hub.start().done(function() {
 //加入聊天室 
 $("#joinRoom").click(function() {
 var groupId = $("#groupId").val();
 var userName = $("#userName").val();
 chat.server.addToRoom(groupId, userName);
 });
 //發(fā)送消息
 $("#send").click(function() {
 var detail = $("#message").val();
 var groupId = $("#groupId").val();
 var userName = $("#userName").val();
 chat.server.send(groupId, detail, userName);
 });
 });