peterhpchen
4/3/2014 - 1:38 AM

hello SignalR

hello SignalR

main.js
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$(function () {
    // Declare a proxy to reference the hub. 
    var chat = $.connection.chatHub;
    // Create a function that the hub can call to broadcast messages.
    chat.client.broadcastMessage = function (name, 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>:&nbsp;&nbsp;' + 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 () {
        $('#sendmessage').click(function () {
            // Call the Send method on the hub. 
            chat.server.send($('#displayname').val(), $('#message').val());
            // Clear text box and reset focus for next comment. 
            $('#message').val('').focus();
        });
    });
});
Startup.cs
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using Microsoft.Owin;
using Owin;
[assembly: OwinStartup(typeof(Hello_SignalR.Startup))]
namespace Hello_SignalR
{
    public class Startup
    {
        public void Configuration(IAppBuilder app)
        {
            // Any connection or hub wire up and configuration should go here
            app.MapSignalR();
        }
    }
}
ChatHub.cs
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using System;
using System.Web;
using Microsoft.AspNet.SignalR;

namespace Hello_SignalR
{
    public class chatHub : Hub
    {
        public void Send(string name, string message)
        {
            // Call the broadcastMessage method to update clients.
            Clients.All.broadcastMessage(name, message);
        }
    }
}
Chat.html
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<!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">
        <input type="text" id="message" />
        <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-1.6.4.min.js" ></script>
    <!--Reference the SignalR library. -->
    <script src="Scripts/jquery.signalR-2.0.3.min.js"></script>
    <!--Reference the autogenerated SignalR hub script. -->
    <script src="signalr/hubs"></script>
    <!--Add script to update the page and send messages.-->
    <script src="main.js"></script>
</body>
</html>