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36 lines
1.1 KiB
C#
36 lines
1.1 KiB
C#
using System;
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namespace DS.Module.Core.Extensions;
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public static class DateTimeExtension
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{
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/// <summary>
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/// 时间戳起始日期
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/// </summary>
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public static readonly DateTime TimestampStart = new(1970, 1, 1, 0, 0, 0, 0);
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/// <summary>
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/// 转换为时间戳
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/// </summary>
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/// <param name="dateTime"></param>
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/// <param name="milliseconds">是否使用毫秒</param>
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/// <returns></returns>
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public static long ToTimestamp(this DateTime dateTime, bool milliseconds = false)
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{
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var timestamp = dateTime.ToUniversalTime() - TimestampStart;
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return (long)(milliseconds ? timestamp.TotalMilliseconds : timestamp.TotalSeconds);
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}
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/// <summary>
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/// 获取周几
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/// </summary>
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/// <param name="datetime"></param>
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/// <returns></returns>
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public static string GetWeekName(this DateTime datetime)
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{
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var day = (int)datetime.DayOfWeek;
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var week = new string[] { "周日", "周一", "周二", "周三", "周四", "周五", "周六" };
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return week[day];
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}
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} |