C#时间转换UInt64<--->DateTime

C#时间转换UInt64<--->DateTime



 DateTime---> UInt64



 DateTime currentDateTime = new DateTime();

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

 UInt64 time = (UInt64)(currentDateTime - startTime).TotalMilliseconds;

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 UInt64--->DateTime



static DateTime dt1970 = new System.DateTime(1970, 1, 1, 0, 0, 0);

         public static DateTime ConvertLongToDateTime(UInt64 d)

         {

             System.DateTime time = System.DateTime.MinValue;

             System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(dt1970);

             time = startTime.AddMilliseconds(d);

             return time;

         }