JavaScript 连接 websocket 服务

function TWebSocket(opt) {
    var that = this;
    that.isWS = !!window.WebSocket;
    that.isOpen = false;
    that.autoConnect = false;
    that.options = opt;
    if (that.options.reconnect) that.autoConnect = true;
    that._connect.call(that);
}

TWebSocket.prototype.send = function (e) {
    var that = this;
    if (that.isOpen) {
        that._WS.send(e);
        return true;
    }
    return false;
}
TWebSocket.prototype._connect = function () {
    var that = this;
    try {
        that._WS = new WebSocket(that.options.url);
        that.isWS = true;
    } catch (_) {
        that._WS = null;
    }
    if (that.isWS) {
        that._WS.onopen = function (e) {
            that.isOpen = true;
            if (that.options.onopen) {
                that.options.onopen.call(that, e);
            }
        }
        that._WS.onclose = function (e) {
            that.isOpen = false;
            if (that.autoConnect) that.reconnect();
            if (that.options.onclose) {
                that.options.onclose.call(that, e);
            }
        }
        that._WS.onerror = function (e) {
            that.isOpen = false;
            if (that.autoConnect) that.reconnect();
            if (that.options.onerror) {
                that.options.onerror.call(that, e);
            }
        }
        that._WS.onmessage = function (e) {
            if (that.options.onmessage) {
                that.options.onmessage.call(that, e);
            }
        }
    }
}
TWebSocket.prototype.reconnect = function (t) {
    var that = this;
    if (!that.isOpen) {
        if (that._RCT) clearTimeout(that._RCT);
        that._RCT=setTimeout(function () {
            that._connect.call(that);
        }, isNaN(t) ? 5000 : t * 1000)
    }
}

var myWs = new TWebSocket({
            url: "ws://127.0.0.1:8132",
            reconnect: true,//自动重连
            onerror:function(e){
            },
            onmessage: function (msg) {
                console.log(msg.data);
            }
        });

myWs.send("send data");