diff --git a/DateTimeStudy/DateTimeStudy.cs b/DateTimeStudy/DateTimeStudy.cs index 2ba57b3..42258cc 100644 --- a/DateTimeStudy/DateTimeStudy.cs +++ b/DateTimeStudy/DateTimeStudy.cs @@ -105,6 +105,28 @@ namespace DateTimeStudy #endregion #region 4、通过DateTime类型的ToLocalTime和ToUniversalTime方法实现UTC和Local的转换 + /// + /// 获取当前时间的UTC时间戳( + /// 单位:毫秒 + /// + public static long ToUtcTimestamp(DateTime sourceDate) + { + var startTime = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc); + return (sourceDate - startTime).Ticks; + } + + /// + /// 获取当前时间的UTC时间戳( + /// 单位:毫秒 + /// + public static DateTime UtcTimestamp2DateTime(long utcTimestamp) + { + DateTime utcStart = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc); + + var timeSpan = new TimeSpan(utcTimestamp); + + return utcStart.Add(timeSpan).ToLocalTime(); + } #endregion #region 5、通过TimeZoneInfo实现Utc和Local的转换