C# 獲取UTC 轉換時間戳為C#時間

獲取UTC

        /// <summary> 
        /// 獲取時間戳 
        /// </summary> 
        /// <returns>UTC</returns> 
        public static string GetTimeStamp()
        {
            TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
            return Convert.ToInt64(ts.TotalSeconds).ToString();
        }

轉換時間戳為C#時間

        /// <summary>
        /// 轉換時間戳為C#時間
        /// </summary>
        /// <param name="timeStamp">時間戳 單位：毫秒</param>
        /// <returns>C#時間</returns>
        public static DateTime ConvertTimeStampToDateTime(long timeStamp)
        {
            DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1)); // 當地時區
            DateTime dt = startTime.AddSeconds(timeStamp);
            return dt;
        }