/// <summary>

     /// 时间戳和日期的转化

     /// </summary>

     public class DateTimeUtility

     {

         /// <summary>

         /// 日期转换为时间戳（时间戳单位秒）

         /// </summary>

         /// <param name="TimeStamp"></param>

         /// <returns></returns>

         public static long ConvertToTimeStamp(DateTime time)

         {

             DateTime Jan1st1970 = new DateTime  (, , , , , , DateTimeKind.Utc);

             return (long)(time.AddHours(-) - Jan1st1970).TotalMilliseconds;

         }

         /// <summary>

         /// 时间戳转换为日期（时间戳单位秒）

         /// </summary>

         /// <param name="TimeStamp"></param>

         /// <returns></returns>

         public static DateTime ConvertToDateTime(long timeStamp)

         {

             var start = new DateTime(, , , , , , DateTimeKind.Utc);

             return start.AddMilliseconds(timeStamp).AddHours();

         }

     }