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110 lines
3.1 KiB
C#
110 lines
3.1 KiB
C#
// ReSharper disable InconsistentNaming
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// ReSharper disable UnusedMember.Global
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#pragma warning disable SA1300, IDE1006
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namespace NSExt.Extensions;
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/// <summary>
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/// DateTimeExtensions
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/// </summary>
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public static class DateTimeExtensions
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{
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/// <summary>
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/// 指定时间的世界协调时的unix时间戳形式
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/// </summary>
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/// <param name="me">me</param>
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/// <returns>unix时间戳</returns>
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public static long TimeUnixUtc(this DateTime me)
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{
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return (me.ToUniversalTime().Ticks - 621355968000000000) / 10000000;
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}
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/// <summary>
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/// 指定时间的世界协调时的unix时间戳形式（毫秒）
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/// </summary>
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public static long TimeUnixUtcMs(this DateTime me)
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{
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return (me.ToUniversalTime().Ticks - 621355968000000000) / 10000;
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}
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/// <summary>
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/// ToString 的 Invariant 版本
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/// </summary>
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public static string ToInvString(this DateTime me)
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{
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return me.ToString(CultureInfo.InvariantCulture);
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}
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/// <summary>
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/// 将一个过去时间对象与当前时间相减转换成“xx以前”的字符串, 如2秒以前, 3天以前
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/// </summary>
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/// <param name="me">me</param>
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/// <returns>字符串</returns>
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public static string UtcTimeAgo(this DateTime me)
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{
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var ts = DateTime.UtcNow - me;
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return ts.Days switch {
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> 0 => ts.Days + "天前"
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, _ => ts.Hours switch {
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> 0 => ts.Hours + "小时前"
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, _ => ts.Minutes switch { > 0 => ts.Minutes + "分钟前", _ => ts.Seconds + "秒前" }
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}
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};
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}
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/// <summary>
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/// yyyy_MM
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/// </summary>
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public static string yyyy_MM(this DateTime me)
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{
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return me.ToString("yyyy-MM", CultureInfo.InvariantCulture);
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}
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/// <summary>
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/// yyyy_MM_dd
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/// </summary>
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public static string yyyy_MM_dd(this DateTime me)
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{
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return me.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture);
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}
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/// <summary>
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/// yyyy_MM_dd_HH_mm
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/// </summary>
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public static string yyyy_MM_dd_HH_mm(this DateTime me)
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{
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return me.ToString("yyyy-MM-dd HH:mm", CultureInfo.InvariantCulture);
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}
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/// <summary>
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/// yyyy_MM_dd_HH_mm_ss
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/// </summary>
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public static string yyyy_MM_dd_HH_mm_ss(this DateTime me)
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{
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return me.ToString("yyyy-MM-dd HH:mm:ss", CultureInfo.InvariantCulture);
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}
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/// <summary>
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/// yyyy_MM_dd_HH_mm_ss_fff
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/// </summary>
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public static string yyyy_MM_dd_HH_mm_ss_fff(this DateTime me)
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{
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return me.ToString("yyyy-MM-dd HH:mm:ss.fff", CultureInfo.InvariantCulture);
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}
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/// <summary>
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/// yyyyMM
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/// </summary>
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public static string yyyyMM(this DateTime me)
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{
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return me.ToString("yyyyMM", CultureInfo.InvariantCulture);
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}
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/// <summary>
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/// yyyyMMdd
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/// </summary>
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public static string yyyyMMdd(this DateTime me)
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{
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return me.ToString("yyyyMMdd", CultureInfo.InvariantCulture);
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}
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} |