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