Timer倒计时

  Timer Timer = new Timer(1000);
    public long lastTickTime = long.MinValue;
    public long HeartTime = 10;        


    void Start () {

        lastTickTime = GetTimeStamp();

        TimerInit();
  
    }

    //倒计时
    public void TimerInit()
    {
        Timer.Elapsed += new ElapsedEventHandler(HandleMainTimer);
        Timer.AutoReset = false;
        Timer.Enabled = true;
    }

    private void HandleMainTimer(object sender, ElapsedEventArgs e)
    {
        HearBeat();
        Timer.Start();
    }


    private void OnDestroy()
    {
        Timer.Stop();
    }


    
    public void HearBeat()
    {
    

        long timeNow = GetTimeStamp();
        long now = timeNow - lastTickTime;

         Debug.Log(now);

        if ((timeNow - lastTickTime) >= HeartTime)
        {
            Debug.Log("断线");
        }


    }

  
    

    //获取时间点
    public static long GetTimeStamp()
    {
        TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
        return Convert.ToInt64(ts.TotalSeconds);
    }