public void Demo() {

            //return "Hello World";

            HttpContextBase content = this.HttpContext;

            content.AcceptWebSocketRequest(ProcessChat);

            //return "I am a beautiful girl";

        }

        private async Task ProcessChat(AspNetWebSocketContext context)

        {

            //HttpContextBase  content = this.HttpContext;

            WebSocket socket = context.WebSocket;

            while (true)

            {

                if (socket.State == WebSocketState.Open)

                {

                    ArraySegment<byte> buffer = new ArraySegment<byte>(new byte[]);

                    WebSocketReceiveResult result = await socket.ReceiveAsync(buffer, CancellationToken.None);

                    string userMsg = Encoding.UTF8.GetString(buffer.Array, , result.Count);

                    userMsg = "你发送了：" + userMsg + "于" + DateTime.Now.ToLongTimeString();

                    buffer = new ArraySegment<byte>(Encoding.UTF8.GetBytes(userMsg));

                    await socket.SendAsync(buffer, WebSocketMessageType.Text, true, CancellationToken.None);

                }

                else

                {

                    break;

                }

            }

        }

    }

@{

    ViewBag.Title = "Home Page";

}

    <script src="~/Scripts/jquery-1.10.2.min.js"></script>

    <script type="text/javascript">

        var ws;

        $().ready(function () {

            $('#conn').click(function () {

                ws = new WebSocket('ws://' + window.location.hostname + ':' + window.location.port + '/Home/Demo');

                $('#tips').text('正在连接');

                ws.onopen = function () {

                    $('#tips').text('已经连接');

                }

                ws.onmessage = function (evt) {

                    $('#tips').text(evt.data);

                }

                ws.onerror = function (evt) {

                    $('#tips').text(JSON.stringify(evt));

                }

                ws.onclose = function () {

                    $('#tips').text('已经关闭');

                }

            });

            $('#close').click(function () {

                ws.close();

            });

            $('#send').click(function () {

                if (ws.readyState == WebSocket.OPEN) {

                    ws.send($('#content').val());

                }

                else {

                    $('#tips').text('连接已经关闭');

                }

            });

        });

    </script>

<br/>

<div class="row">

    <form id="form1" runat="server">

        <div>

            <input id="conn" type="button" value="连接" />

            <input id="close" type="button" value="关闭" />

            <span id="tips"></span>

            <input id="content" type="text" />

            <input id="send" type="button" value="发送" />

        </div>

    </form>

</div>