C# 时间与时间戳互转的方法(13位)

    /// <summary>

    /// 获取时间戳

    /// </summary>

    /// <returns></returns>

    public static string GetTimeStamp(System.DateTime time)

    {

      long ts = ConvertDateTimeToInt(time);

      return ts.ToString();

    }

    /// <summary>

    /// 将c# DateTime时间格式转换为Unix时间戳格式

    /// </summary>

    /// <param name="time">时间</param>

    /// <returns>long</returns>

    public static long ConvertDateTimeToInt(System.DateTime time)

    {

      System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1, 0, 0, 0, 0));

      long t = (time.Ticks - startTime.Ticks) / 10000;  //除10000调整为13位  

      return t;

    }

    /// <summary>   

    /// 时间戳转为C#格式时间   

    /// </summary>   

    /// <param name=”timeStamp”></param>   

    /// <returns></returns>   

    private DateTime ConvertStringToDateTime(string timeStamp)

    {

      DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));

      long lTime = long.Parse(timeStamp + "0000");

      TimeSpan toNow = new TimeSpan(lTime);

      return dtStart.Add(toNow);

    }