时间及时间戳相互转换

        #region 时间，时间戳转换
        /// <summary>
        /// 时间转换为事件戳
        /// </summary>
        /// <param name="dateTime"></param>
        /// <returns></returns>
        public static uint GetTimeStamp(DateTime dateTime)
        {
            DateTime DateStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));          
            return Convert.ToUInt32((dateTime - DateStart).TotalSeconds);
        }

        /// 时间戳转为C#格式时间  
        /// </summary>  
        /// <param name=”timeStamp”></param>  
        /// <returns></returns>  
        public static DateTime GetTimeFromUint(string timeStamp)
        {
            DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
            long lTime = long.Parse(timeStamp + "0000000");
            TimeSpan toNow = new TimeSpan(lTime); 
            return dtStart.Add(toNow);
        }
        #endregion