class Program
   {
 
       static void Main(string[] args)
       {
           FleckLog.Level = LogLevel.Debug;
           var allSockets = new List<IWebSocketConnection>();
           var server = new WebSocketServer("ws://0.0.0.0:7181");
           server.Start(socket =>
           {
               socket.OnOpen = () =>
               {
                   Console.WriteLine("Open!");
                   allSockets.Add(socket);
               };
               socket.OnClose = () =>
               {
                   Console.WriteLine("Close!");
                   allSockets.Remove(socket);
               };
               socket.OnMessage = message =>
               {
                   Console.WriteLine(message);
                   allSockets.ToList().ForEach(s => s.Send("Echo: " + message));
               };
               socket.OnBinary = file => {
               
                   string path = ("D:/test.txt");
            //创建一个文件流
            FileStream fs = new FileStream(path, FileMode.Create);
 
            //将byte数组写入文件中
            fs.Write(file, 0, file.Length);
           //所有流类型都要关闭流，否则会出现内存泄露问题
            fs.Close();
               };
           });
 
 
           var input = Console.ReadLine();
           while (input != "exit")
           {
               foreach (var socket in allSockets.ToList())
               {
                   socket.Send(input);
               }
               input = Console.ReadLine();
           }
       }
   }

　　

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
    <title>websocket client</title>
    <script type="text/javascript">
        var start = function () {
            var inc = document.getElementById('incomming');
            var wsImpl = window.WebSocket || window.MozWebSocket;
            var form = document.getElementById('sendForm');
            var input = document.getElementById('sendText');
 
            inc.innerHTML += "connecting to server ..<br/>";
 
            // create a new websocket and connect
            window.ws = new wsImpl('ws://localhost:7181/');
 
            // when data is comming from the server, this metod is called
            ws.onmessage = function (evt) {
                inc.innerHTML += evt.data + '<br/>';
            };
 
            // when the connection is established, this method is called
            ws.onopen = function () {
                inc.innerHTML += '.. connection open<br/>';
            };
 
            // when the connection is closed, this method is called
            ws.onclose = function () {
                inc.innerHTML += '.. connection closed<br/>';
            }
 
            form.addEventListener('submit', function (e) {
                e.preventDefault();
                var val = input.value;
                ws.send(val);
                input.value = "";
            });
 
        }
        window.onload = start;
    </script>
</head>
<body>
    <form id="sendForm">
        <input id="sendText" placeholder="Text to send" />
    </form>
    <pre id="incomming"></pre>
</body>
</html>

　//实现聊天窗口与文件发送

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<!DOCTYPE html>
<html>
<head>
<title>WebSocket Chat Client</title>
<meta charset="utf-8" />
<script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.1/jquery.js"></script>
<script type="text/javascript" >
    //判读浏览器是否支持websocket
    $().ready(function() {
        if ( !window.WebSocket ) {
             alert("童鞋, 你的浏览器不支持该功能啊");
        }
          
    });
     
    //在消息框中打印内容
function log(text) {
        $("#log").append(text+"
");
    }
     
    //全局的websocket变量
var ws;
     
    //创建连接
    $(function() {
    $("#uriForm").submit(function() {
        log("准备连接到" + $("#uri").val());
         
        ws = new WebSocket($("#uri").val());
        //连接成功建立后响应
        ws.onopen = function() {
            log("成功连接到" + $("#uri").val());
        }
        //收到服务器消息后响应
        ws.onmessage = function(e) {
            log("收到服务器消息:" + e.data + "'
");
        }
        //连接关闭后响应
        ws.onclose = function() {
            log("关闭连接");
            $("#disconnect").attr({"disabled":"disabled"});
            $("#uri").removeAttr("disabled");
            $("#connect").removeAttr("disabled");
            ws = null;
        }
        $("#uri").attr({"disabled":"disabled"});
        $("#connect").attr({"disabled":"disabled"});
        $("#disconnect").removeAttr("disabled");
        return false;
    });
    });
     
    //发送字符串消息
    $(function() {
    $("#sendForm").submit(function() {
         if (ws) {
             var textField = $("#textField");
             ws.send(textField.val());
             log("我说:" + textField.val());
             textField.val("");
             textField.focus();
         }
         return false;
    });
    });
     
    //发送arraybuffer(二进制文件)
    $(function() {
    $("#sendFileForm").submit(function() {
        var inputElement = document.getElementById("file");
        var fileList = inputElement.files;
         
        for ( var i = 0; i < fileList.length; i++) {
            console.log(fileList[i]);
            log(fileList[i].name);
            //发送文件名
            ws.send(fileList[i].name);
//            reader.readAsBinaryString(fileList[i]);
//读取文件　　
　　　　　　　var reader = new FileReader();
            reader.readAsArrayBuffer(fileList[i]);
//            reader.readAsText(fileList[i]);
//文件读取完毕后该函数响应
            reader.onload = function loaded(evt) {
                var binaryString = evt.target.result;
                // Handle UTF-16 file dump
                log("
开始发送文件");
                ws.send(binaryString);
            }
        }
        return false;
    });
    });
     
    $(function() {
    $("#disconnect").click(function() {
         if (ws) {
             $("#log").empty();
             ws.close();
             ws = null;
         }
         return false;
    });
    });
     
    $(function() {
    $("#reset").click(function() {
        $("#log").empty();
         return false;
    });
    });
     
     
</script>
</head>
<body>
    <form id="uriForm">
        <input type="text" id="uri" value="ws://192.168.31.37:7181"
            style=" 200px;"> <input type="submit" id="connect"
            value="Connect"><input type="button" id="disconnect"
            value="Disconnect" disabled="disabled">
    </form>
    <br>
     
    <form id="sendFileForm">
        <input id="file" type="file" multiple />
        <input type="submit" value="Send" />
        <input type="button" id="reset" value="清空消息框"/>
    </form>
    <br>
    <form id="sendForm">
        <input type="text" id="textField" value="" style=" 200px;">
        <input type="submit" value="Send">
    </form>
    <br>
    <form>
        <textarea id="log" rows="30" cols="100"
            style="font-family: monospace; color: red;"></textarea>
    </form>
    <br>
</body>
</html>