/// <summary>From:www.13le.com
        /// DateTime转换为13位时间戳（单位：毫秒）
        /// </summary>
        /// <param name="dateTime"> DateTime</param>
        /// <returns>13位时间戳（单位：毫秒）</returns>
        public static long DateTimeToLongTimeStamp(DateTime dateTime)
        {
            DateTime timeStampStartTime = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);

            return (long)(dateTime.ToUniversalTime() - timeStampStartTime).TotalMilliseconds;
        }