原创：Javascript Websocket客户端封装

调试中，马马虎虎能用
var LeesWebSocket = function (options) {
    this.defaults = {
        host: "127.0.0.1",
        port: 2015,

        // callbacks
        onOpen: function () { },
        onClose: function () { },
        onMessage: function (evt) { },
        onError: function () { }
    }
    //调试用---------------------------
    mLCQ = new LeesCircleQueue(40);

    function Trace(s) {
        var t = new Date();

        mLCQ.Push(t.getHours() + ":" + t.getMinutes() + ":" + t.getSeconds() + "  :" + s + "<br>");
        showDebuginfo();
    }
    function showDebuginfo() {
        var ss = mLCQ.GetAllItem();
        var sb = ‘‘;

        for (var i = 0; i < ss.length; i++) {
            sb += (i + 1) + ":" + ss[i] + "<br>";
        }
        $(‘#debug‘).html(sb);
    }
    //-------------------------------
    //-------------------------------
    var opt = $.extend({}, this.defaults, options);
    var _this = this;
    var wsSocket = null;
    this.bIsConnected = false;
    var bIsConnecting = false;
    this._LWS_Host = "ws://" + opt.host + ":" + opt.port;

    this.Connect = function () {
        if (bIsConnecting)
            return;
        bIsConnecting = true;
        try {
            if ("WebSocket" in window) {
                wsSocket = new WebSocket(this._LWS_Host);
            }
            else if ("MozWebSocket" in window) {
                wsSocket = new MozWebSocket(this._LWS_Host);
            }
            wsSocket.onopen = WSonOpen;
            wsSocket.onclose = WSonClose;
            wsSocket.onmessage = WSonMessage;
            wsSocket.onerror = WSonError;
        } catch (ex) {
            alert(ex);
        }
        bIsConnecting = false;
    }
    this.Send = function (s) {
        Trace(s);
        if (_this.bIsConnected) {
            wsSocket.send(s);
            return true;
        }
        return false;
    }
    this.IsConnected = function () {
        return this.bIsConnected;
    }
    function WSonOpen() {
        _this.bIsConnected = true;
        opt.onOpen();

    }
    function WSonMessage(evt) {
        opt.onMessage(evt);

    }
    function WSonClose() {
        _this.bIsConnected = false;
        wsSocket = null;
        opt.onClose();

    }
    function WSonError(evt) {
        _this.bIsConnected = false;
        wsSocket = null;
        opt.onError();

    }
}