ERP/TradeManage/AndroidScripts/AndroidClient.js

/// <reference path="../Scripts/MicrosoftAjax.js" />
/// <reference path="reconnecting-websocket.min.js" />
/// <reference path="../Scripts/jquery.min.js" />

AndroidClient = function () {
    var ServerUrl = "";
    var websocket = null; //创建WebSocket对象
    var SequenceID = 1;
    var ListMessage = new Array();
    var PrevTime = new Date();
    var OutTime = 60; //心跳时间秒
    var TimeHappenNumer = 3;  //心跳可失败次数
    var DeviceNo = "";
    var EventHandler = new Sys.EventHandlerList();

    //#region 启动监听
    this.Start = function (Port, DevNo) {
        DeviceNo = DevNo;
        //ServerUrl = "ws://" + $.url.attr("host") + ":" + Port;
        ServerUrl = "ws://192.168.1.157:" + Port;
        SocketAccept();
        OnStart();
    }
    //#endregion
    //#region 连接
    function SocketAccept() {
        if (window.WebSocket) {

        } else {
            //$("#txtInput").val("不支持websocket");
            try {
                Android.StartWebSocket(ServerUrl, DeviceNo);
            } catch (e) { }
            return;
        }
        websocket = new ReconnectingWebSocket(ServerUrl, null, { debug: true, reconnectInterval: 5000 });; //创建WebSocket对象
        websocket.debug = true;
        websocket.timeoutInterval = 5400;
        websocket.onopen = function (evt) {
            //连接完成，发送登录消息
            //$("#txtInput").val("连接成功");
            //alert("连接成功");
            SequenceID++;
            if (SequenceID >= 9500) SequenceID = 1;
            var SequenceID2 = PadLeft(SequenceID, 4);
            var data = "FunNo=0001^DeviceNo=" + DeviceNo + "^SequenceID=" + SequenceID2;
            websocket.send(data);
        };
        websocket.onclose = function () {
            //$("#txtInput").val("连接失败");
            //alert("连接关闭");
        }
        websocket.onmessage = function (evt) {
            //收到服务器消息，使用evt.data提取
            //alert(evt.data);
            this.PrevTime = new Date();
            TreatMessage(evt.data);
        };
    }
    //#ednregion
    //#region 发送心跳
    function OutTimeHappen() {
        //var model = new Object();
        //model.SequenceID = this.SequenceID;
        //model.Data = "FunNo=0004^SequenceID=" + this.SequenceID;
        //model.SendTime = new Date().addHours(-1);
        //ListMessage.push(model);

        //if (TimeHappenNumer <= 0)
        //{
        //    TimeHappenNumer = 3;
        //    websocket.clone();
        //    //连接关闭，30秒后重连
        //    window.setTimeout(SocketAccept, 30000);
        //    return;
        //}
        PrevTime = new Date();
        SequenceID++;
        if (SequenceID >= 9500) SequenceID = 1;
        var SequenceID2 = PadLeft(SequenceID, 4);
        var data = "FunNo=0004^SequenceID=" + SequenceID2;
        websocket.send(data);
        TimeHappenNumer--;
    }
    //#endregion
    //#region 循环发送信息
    function OnStart() {
        if (websocket == null) return;
        if (websocket.readyState != 1) {
            window.setTimeout(OnStart, 2000);
            return;
        }
        var cDate = new Date();
        if (addSeconds(PrevTime, OutTime) < cDate) {
            //如果超时未收发消息，那么发送必跳
            OutTimeHappen();
            window.setTimeout(OnStart, 1000);
            return;
        }
        if (ListMessage.length == 0) {
            window.setTimeout(OnStart, 1000);
            return;
        }
        var model = ListMessage[0];
        if (model.SendTime.addSeconds(5) > cDate) {
            window.setTimeout(OnStart, 1000);
            return;
        }
        model.SendTime = cDate;
        websocket.send(model.Data);
        window.setTimeout(OnStart, 1000);
    }
    //#endregion
    //#region 复制日期
    function cloneDate(cDate) {
        var dt = new Date();
        dt.setFullYear(cDate.getFullYear());
        dt.setMonth(cDate.getMonth());
        dt.setDate(cDate.getDate());
        dt.setHours(cDate.getHours());
        dt.setMinutes(cDate.getMinutes());
        dt.setSeconds(cDate.getSeconds());
        dt.setMilliseconds(cDate.getMilliseconds());
        return dt;
    }
    //#endregion
    //#region 增加秒
    function addSeconds(dt, s) {
        var dt2 = cloneDate(dt);
        dt2.setSeconds(dt2.getSeconds() + s);
        return dt2;
    }
    //#endregion

    //#region 补位0
    function PadLeft(num, n) {
        return (Array(n).join(0) + num).slice(-n);
    }
    //#endregion
    //#region 回复消息
    function SendByte(FunNo, SequenceID2, Data) {
        var data = "FunNo=" + FunNo + "^SequenceID=" + SequenceID2 + Data;
        websocket.send(data);
    }
    //#endregion
    //#region 处理消息
    function TreatMessage(msg) {
        var model = ParseData(msg); //从Global.js处得到的共享方法
        switch (model.FunNo) {
            case "0004":  //心跳请求回复
                TimeHappenNumer++;
                break;
            default:
                SendByte(model.FunNo, model.SequenceID, "");
                OnChangeState(model);
                break;
        }
    }
    //#endregion

    //#region 状态改变时触发
    this.ChangeState = function (handler) {
        EventHandler.addHandler('ChangeState', handler);
    }
    //#endregion
    //#region 点击状态改变时触发
    function OnChangeState(model) {
        var h = EventHandler.getHandler('ChangeState');
        if (h) h(model);
    }
    //#endregion

}