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@@ -8,564 +8,566 @@ using Masuit.Tools.Models;
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namespace Masuit.Tools.DateTimeExt
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{
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- /// <summary>
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- /// 日期操作工具类
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- /// </summary>
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- public static class DateTimeHelper
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- {
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- /// <summary>
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- /// 获取某一年有多少周
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- /// </summary>
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- /// <param name="now"></param>
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- /// <returns>该年周数</returns>
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- public static int GetWeekAmount(this in DateTime now)
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- {
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- var end = new DateTime(now.Year, 12, 31); //该年最后一天
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- var gc = new GregorianCalendar();
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- return gc.GetWeekOfYear(end, CalendarWeekRule.FirstDay, DayOfWeek.Monday); //该年星期数
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- }
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-
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- /// <summary>
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- /// 返回年度第几个星期 默认星期日是第一天
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- /// </summary>
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- /// <param name="date">时间</param>
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- /// <returns>第几周</returns>
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- public static int WeekOfYear(this in DateTime date)
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- {
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- var gc = new GregorianCalendar();
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- return gc.GetWeekOfYear(date, CalendarWeekRule.FirstDay, DayOfWeek.Sunday);
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- }
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-
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- /// <summary>
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- /// 返回年度第几个星期
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- /// </summary>
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- /// <param name="date">时间</param>
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- /// <param name="week">一周的开始日期</param>
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- /// <returns>第几周</returns>
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- public static int WeekOfYear(this in DateTime date, DayOfWeek week)
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- {
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- var gc = new GregorianCalendar();
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- return gc.GetWeekOfYear(date, CalendarWeekRule.FirstDay, week);
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- }
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-
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- /// <summary>
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- /// 得到一年中的某周的起始日和截止日
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- /// 周数 nNumWeek
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- /// </summary>
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- /// <param name="now"></param>
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- /// <param name="nNumWeek">第几周</param>
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- public static DateTimeRange GetWeekTime(this DateTime now, int nNumWeek)
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- {
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- var dt = new DateTime(now.Year, 1, 1);
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- dt += new TimeSpan((nNumWeek - 1) * 7, 0, 0, 0);
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- return new DateTimeRange(dt.AddDays(-(int)dt.DayOfWeek + (int)DayOfWeek.Monday), dt.AddDays((int)DayOfWeek.Saturday - (int)dt.DayOfWeek + 1));
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- }
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-
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- /// <summary>
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- /// 得到当前周的起始日和截止日
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- /// </summary>
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- /// <param name="dt"></param>
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- public static DateTimeRange GetCurrentWeek(this DateTime dt)
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- {
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- return new DateTimeRange(dt.AddDays(-(int)dt.DayOfWeek + (int)DayOfWeek.Monday).Date, dt.AddDays((int)DayOfWeek.Saturday - (int)dt.DayOfWeek + 1).Date.AddSeconds(86399));
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- }
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-
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- /// <summary>
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- /// 得到当前月的起始日和截止日
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- /// </summary>
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- /// <param name="dt"></param>
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- public static DateTimeRange GetCurrentMonth(this DateTime dt)
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- {
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- return new DateTimeRange(new DateTime(dt.Year, dt.Month, 1), new DateTime(dt.Year, dt.Month, GetDaysOfMonth(dt), 23, 59, 59));
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- }
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-
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- /// <summary>
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- /// 得到当前农历月的起始日和截止日
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- /// </summary>
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- /// <param name="dt"></param>
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- public static DateTimeRange GetCurrentLunarMonth(this DateTime dt)
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- {
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- var calendar = new ChineseCalendar(dt);
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- return new DateTimeRange(new ChineseCalendar(calendar.ChineseYear, calendar.ChineseMonth, 1).Date, new ChineseCalendar(calendar.ChineseYear, calendar.ChineseMonth, calendar.GetChineseMonthDays()).Date.AddSeconds(86399));
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- }
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-
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- /// <summary>
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- /// 得到当前年的起始日和截止日
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- /// </summary>
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- /// <param name="dt"></param>
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- public static DateTimeRange GetCurrentYear(this DateTime dt)
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- {
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- return new DateTimeRange(new DateTime(dt.Year, 1, 1), new DateTime(dt.Year, 12, 31, 23, 59, 59));
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- }
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-
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- /// <summary>
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- /// 得到当前农历年的起始日和截止日
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- /// </summary>
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- /// <param name="dt"></param>
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- public static DateTimeRange GetCurrentLunarYear(this DateTime dt)
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- {
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- var calendar = new ChineseCalendar(dt);
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- return new DateTimeRange(new ChineseCalendar(calendar.ChineseYear, 1, 1).Date, new ChineseCalendar(calendar.ChineseYear, 12, calendar.GetChineseMonthDays(calendar.ChineseYear, 12)).Date.AddSeconds(86399));
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- }
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-
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- /// <summary>
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- /// 得到当前季度的起始日和截止日
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- /// </summary>
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- /// <param name="dt"></param>
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- public static DateTimeRange GetCurrentQuarter(this DateTime dt)
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- {
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- return dt.Month switch
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- {
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- >= 1 and <= 3 => new DateTimeRange(new DateTime(dt.Year, 1, 1), new DateTime(dt.Year, 3, 31, 23, 59, 59)),
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- >= 4 and <= 6 => new DateTimeRange(new DateTime(dt.Year, 4, 1), new DateTime(dt.Year, 6, 30, 23, 59, 59)),
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- >= 7 and <= 9 => new DateTimeRange(new DateTime(dt.Year, 7, 1), new DateTime(dt.Year, 9, 30, 23, 59, 59)),
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- >= 10 and <= 12 => new DateTimeRange(new DateTime(dt.Year, 10, 1), new DateTime(dt.Year, 12, 31, 23, 59, 59)),
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- _ => throw new ArgumentOutOfRangeException()
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- };
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- }
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-
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- /// <summary>
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- /// 得到当前农历季度的起始日和截止日
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- /// </summary>
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- /// <param name="dt"></param>
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- public static DateTimeRange GetCurrentLunarQuarter(this DateTime dt)
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- {
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- var calendar = new ChineseCalendar(dt);
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- return dt.Month switch
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- {
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- >= 1 and <= 3 => new DateTimeRange(new ChineseCalendar(calendar.ChineseYear, 1, 1).Date, new ChineseCalendar(calendar.ChineseYear, 3, calendar.GetChineseMonthDays(calendar.ChineseYear, 3)).Date.AddSeconds(86399)),
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- >= 4 and <= 6 => new DateTimeRange(new ChineseCalendar(calendar.ChineseYear, 4, 1).Date, new ChineseCalendar(calendar.ChineseYear, 6, calendar.GetChineseMonthDays(calendar.ChineseYear, 6)).Date.AddSeconds(86399)),
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- >= 7 and <= 9 => new DateTimeRange(new ChineseCalendar(calendar.ChineseYear, 7, 1).Date, new ChineseCalendar(calendar.ChineseYear, 9, calendar.GetChineseMonthDays(calendar.ChineseYear, 9)).Date.AddSeconds(86399)),
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- >= 10 and <= 12 => new DateTimeRange(new ChineseCalendar(calendar.ChineseYear, 10, 1).Date, new ChineseCalendar(calendar.ChineseYear, 12, calendar.GetChineseMonthDays(calendar.ChineseYear, 12)).Date.AddSeconds(86399)),
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- _ => throw new ArgumentOutOfRangeException()
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- };
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- }
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-
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- /// <summary>
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- /// 得到当前农历季度的起始日和截止日
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- /// </summary>
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- /// <param name="dt"></param>
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- public static DateTimeRange GetCurrentSolar(this DateTime dt)
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- {
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- var calendar = new ChineseCalendar(dt);
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- ChineseCalendar[] quarters =
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- [
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- calendar.ChineseTwentyFourPrevDay.ChineseTwentyFourPrevDay.ChineseTwentyFourPrevDay,
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- calendar.ChineseTwentyFourPrevDay.ChineseTwentyFourPrevDay,
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- calendar.ChineseTwentyFourPrevDay,
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- calendar,
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- calendar.ChineseTwentyFourNextDay,
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- calendar.ChineseTwentyFourNextDay.ChineseTwentyFourNextDay,
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- calendar.ChineseTwentyFourNextDay.ChineseTwentyFourNextDay.ChineseTwentyFourNextDay
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- ];
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- var solar = quarters.LastOrDefault(c => new[] { "春分", "夏至", "秋分", "冬至" }.Contains(c.ChineseTwentyFourDay));
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- var start = solar.ChineseTwentyFourPrevDay.ChineseTwentyFourPrevDay.ChineseTwentyFourPrevDay;
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- var end = solar.ChineseTwentyFourNextDay.ChineseTwentyFourNextDay.ChineseTwentyFourNextDay;
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- return new DateTimeRange(start.Date, end.Date.AddSeconds(-1));
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- }
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-
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- /// <summary>
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- /// 得到当前范围的起始日和截止日
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- /// </summary>
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- /// <param name="dt"></param>
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- /// <param name="type"></param>
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- public static DateTimeRange GetCurrentRange(this DateTime dt, DateRangeType type)
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- {
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- return type switch
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- {
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- DateRangeType.Week => GetCurrentWeek(dt),
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- DateRangeType.Month => GetCurrentMonth(dt),
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- DateRangeType.Quarter => GetCurrentQuarter(dt),
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- DateRangeType.Year => GetCurrentYear(dt),
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- DateRangeType.LunarMonth => GetCurrentLunarMonth(dt),
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- DateRangeType.LunarQuarter => GetCurrentLunarQuarter(dt),
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- DateRangeType.Solar => GetCurrentSolar(dt),
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- DateRangeType.LunarYear => GetCurrentLunarYear(dt),
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- _ => throw new ArgumentOutOfRangeException(nameof(type), type, null)
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- };
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- }
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-
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- #region P/Invoke 设置本地时间
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-
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- [DllImport("kernel32.dll")]
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- private static extern bool SetLocalTime(ref SystemTime time);
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-
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- [StructLayout(LayoutKind.Sequential)]
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- private record struct SystemTime
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- {
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- public short year;
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- public short month;
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- public short dayOfWeek;
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- public short day;
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- public short hour;
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- public short minute;
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- public short second;
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- public short milliseconds;
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- }
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-
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- /// <summary>
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- /// 设置本地计算机系统时间,仅支持Windows系统
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- /// </summary>
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- /// <param name="dt">DateTime对象</param>
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- public static void SetLocalTime(this in DateTime dt)
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- {
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- SystemTime st;
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- st.year = (short)dt.Year;
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- st.month = (short)dt.Month;
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- st.dayOfWeek = (short)dt.DayOfWeek;
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- st.day = (short)dt.Day;
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- st.hour = (short)dt.Hour;
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- st.minute = (short)dt.Minute;
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- st.second = (short)dt.Second;
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- st.milliseconds = (short)dt.Millisecond;
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- SetLocalTime(ref st);
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- }
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-
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- #endregion P/Invoke 设置本地时间
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-
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- /// <summary>
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- /// 返回相对于当前时间的相对天数
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- /// </summary>
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- /// <param name="dt"></param>
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- /// <param name="relativeday">相对天数</param>
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- public static string GetDateTime(this in DateTime dt, int relativeday)
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- {
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- return dt.AddDays(relativeday).ToString("yyyy-MM-dd HH:mm:ss");
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- }
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-
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- /// <summary>
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- /// 获取该时间相对于1970-01-01T00:00:00Z的秒数
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- /// </summary>
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- /// <param name="dt"></param>
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- /// <returns></returns>
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- public static long GetTotalSeconds(this in DateTime dt) => new DateTimeOffset(dt).UtcDateTime.Ticks / 10_000_000L - 62135596800L;
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-
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- /// <summary>
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- /// 获取该时间相对于1970-01-01T00:00:00Z的毫秒数
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- /// </summary>
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- /// <param name="dt"></param>
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- /// <returns></returns>
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- public static long GetTotalMilliseconds(this in DateTime dt) => new DateTimeOffset(dt).UtcDateTime.Ticks / 10000L - 62135596800000L;
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-
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- /// <summary>
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- /// 获取该时间相对于1970-01-01T00:00:00Z的微秒时间戳
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- /// </summary>
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- /// <param name="dt"></param>
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- /// <returns></returns>
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- public static long GetTotalMicroseconds(this in DateTime dt) => (new DateTimeOffset(dt).UtcTicks - 621355968000000000) / 10;
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-
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- [DllImport("Kernel32.dll")]
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- private static extern bool QueryPerformanceCounter(out long lpPerformanceCount);
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-
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- /// <summary>
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- /// 获取该时间相对于1970-01-01T00:00:00Z的纳秒时间戳
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- /// </summary>
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- /// <param name="dt"></param>
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- /// <returns></returns>
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- public static long GetTotalNanoseconds(this in DateTime dt)
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- {
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- var ticks = (new DateTimeOffset(dt).UtcTicks - 621355968000000000) * 100;
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- if (Environment.OSVersion.Platform == PlatformID.Win32NT)
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- {
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- QueryPerformanceCounter(out var timestamp);
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- return ticks + timestamp % 100;
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- }
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-
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- return ticks + Stopwatch.GetTimestamp() % 100;
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- }
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-
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- /// <summary>
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- /// 获取该时间相对于1970-01-01T00:00:00Z的分钟数
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- /// </summary>
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- /// <param name="dt"></param>
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- /// <returns></returns>
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- public static double GetTotalMinutes(this in DateTime dt) => new DateTimeOffset(dt).Offset.TotalMinutes;
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-
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- /// <summary>
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- /// 获取该时间相对于1970-01-01T00:00:00Z的小时数
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- /// </summary>
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- /// <param name="dt"></param>
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- /// <returns></returns>
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- public static double GetTotalHours(this in DateTime dt) => new DateTimeOffset(dt).Offset.TotalHours;
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-
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- /// <summary>
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- /// 获取该时间相对于1970-01-01T00:00:00Z的天数
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- /// </summary>
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- /// <param name="dt"></param>
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- /// <returns></returns>
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- public static double GetTotalDays(this in DateTime dt) => new DateTimeOffset(dt).Offset.TotalDays;
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-
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- /// <summary>本年有多少天</summary>
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- /// <param name="dt">日期</param>
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- /// <returns>本天在当年的天数</returns>
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- public static int GetDaysOfYear(this in DateTime dt)
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- {
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- //取得传入参数的年份部分,用来判断是否是闰年
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- int n = dt.Year;
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- return DateTime.IsLeapYear(n) ? 366 : 365;
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- }
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-
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- /// <summary>本月有多少天</summary>
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- /// <param name="now"></param>
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- /// <returns>天数</returns>
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- public static int GetDaysOfMonth(this DateTime now)
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- {
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- return now.Month switch
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- {
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- 1 => 31,
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- 2 => DateTime.IsLeapYear(now.Year) ? 29 : 28,
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- 3 => 31,
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- 4 => 30,
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- 5 => 31,
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- 6 => 30,
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- 7 => 31,
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- 8 => 31,
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- 9 => 30,
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- 10 => 31,
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- 11 => 30,
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- 12 => 31,
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- _ => 0
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- };
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- }
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-
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- /// <summary>返回当前日期的星期名称</summary>
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- /// <param name="now">日期</param>
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- /// <returns>星期名称</returns>
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- public static string GetWeekNameOfDay(this in DateTime now)
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- {
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- return now.DayOfWeek switch
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- {
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- DayOfWeek.Monday => "星期一",
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- DayOfWeek.Tuesday => "星期二",
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- DayOfWeek.Wednesday => "星期三",
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- DayOfWeek.Thursday => "星期四",
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- DayOfWeek.Friday => "星期五",
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- DayOfWeek.Saturday => "星期六",
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- DayOfWeek.Sunday => "星期日",
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- _ => ""
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- };
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- }
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-
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- /// <summary>
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- /// 判断时间是否在区间内
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- /// </summary>
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- /// <param name="this"></param>
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- /// <param name="start">开始</param>
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- /// <param name="end">结束</param>
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- /// <param name="mode">模式</param>
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- /// <returns></returns>
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- public static bool In(this in DateTime @this, DateTime start, DateTime end, RangeMode mode = RangeMode.Close)
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- {
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- return mode switch
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- {
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- RangeMode.Open => start < @this && end > @this,
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- RangeMode.Close => start <= @this && end >= @this,
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- RangeMode.OpenClose => start < @this && end >= @this,
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- RangeMode.CloseOpen => start <= @this && end > @this,
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- _ => throw new ArgumentOutOfRangeException(nameof(mode), mode, null)
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- };
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- }
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-
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- /// <summary>
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- /// 返回某年某月最后一天
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- /// </summary>
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- /// <param name="now"></param>
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- /// <returns>日</returns>
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- public static int GetMonthLastDate(this DateTime now)
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- {
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- DateTime lastDay = new DateTime(now.Year, now.Month, new GregorianCalendar().GetDaysInMonth(now.Year, now.Month));
|
|
|
- return lastDay.Day;
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// 获得一段时间内有多少小时
|
|
|
- /// </summary>
|
|
|
- /// <param name="start">起始时间</param>
|
|
|
- /// <param name="end">终止时间</param>
|
|
|
- /// <returns>小时差</returns>
|
|
|
- public static string GetTimeDelay(this in DateTime start, DateTime end)
|
|
|
- {
|
|
|
- return (end - start).ToString("c");
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// 返回时间差
|
|
|
- /// </summary>
|
|
|
- /// <param name="dateTime1">时间1</param>
|
|
|
- /// <param name="dateTime2">时间2</param>
|
|
|
- /// <returns>时间差</returns>
|
|
|
- public static string DateDiff(this in DateTime dateTime1, in DateTime dateTime2)
|
|
|
- {
|
|
|
- string dateDiff;
|
|
|
- var ts = dateTime2 - dateTime1;
|
|
|
- if (ts.TotalDays >= 1)
|
|
|
- {
|
|
|
- dateDiff = ts.TotalDays >= 30 ? (ts.TotalDays / 30) + "个月前" : ts.TotalDays + "天前";
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- dateDiff = ts.Hours > 1 ? ts.Hours + "小时前" : ts.Minutes + "分钟前";
|
|
|
- }
|
|
|
-
|
|
|
- return dateDiff;
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// 计算2个时间差
|
|
|
- /// </summary>
|
|
|
- /// <param name="beginTime">开始时间</param>
|
|
|
- /// <param name="endTime">结束时间</param>
|
|
|
- /// <returns>时间差</returns>
|
|
|
- public static string GetDiffTime(this in DateTime beginTime, in DateTime endTime)
|
|
|
- {
|
|
|
- string strResout = string.Empty;
|
|
|
-
|
|
|
- //获得2时间的时间间隔秒计算
|
|
|
- TimeSpan span = endTime.Subtract(beginTime);
|
|
|
- if (span.Days >= 365)
|
|
|
- {
|
|
|
- strResout += span.Days / 365 + "年";
|
|
|
- }
|
|
|
- if (span.Days >= 30)
|
|
|
- {
|
|
|
- strResout += span.Days % 365 / 30 + "个月";
|
|
|
- }
|
|
|
- if (span.Days >= 1)
|
|
|
- {
|
|
|
- strResout += (int)(span.TotalDays % 30.42) + "天";
|
|
|
- }
|
|
|
- if (span.Hours >= 1)
|
|
|
- {
|
|
|
- strResout += span.Hours + "小时";
|
|
|
- }
|
|
|
- if (span.Minutes >= 1)
|
|
|
- {
|
|
|
- strResout += span.Minutes + "分钟";
|
|
|
- }
|
|
|
- if (span.Seconds >= 1)
|
|
|
- {
|
|
|
- strResout += span.Seconds + "秒";
|
|
|
- }
|
|
|
- return strResout;
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// 根据某个时间段查找在某批时间段中的最大并集
|
|
|
- /// </summary>
|
|
|
- /// <param name="destination"></param>
|
|
|
- /// <param name="sources"></param>
|
|
|
- /// <typeparam name="T"></typeparam>
|
|
|
- /// <returns></returns>
|
|
|
- public static ICollection<T> GetUnionSet<T>(this T destination, List<T> sources) where T : ITimePeriod, new()
|
|
|
- {
|
|
|
- var result = true;
|
|
|
- ICollection<T> frames = new List<T>();
|
|
|
-
|
|
|
- var timeFrames = sources.Where(frame =>
|
|
|
- !(destination.Start > frame.End || destination.End < frame.Start)).ToList();
|
|
|
- if (timeFrames.Any())
|
|
|
- foreach (var frame in timeFrames)
|
|
|
- {
|
|
|
- frames.Add(frame);
|
|
|
- sources.Remove(frame);
|
|
|
- }
|
|
|
-
|
|
|
- if (!frames.Any()) return frames;
|
|
|
- var timePeriod = new T()
|
|
|
- {
|
|
|
- End = frames.OrderBy(frame => frame.End).Max(frame => frame.End),
|
|
|
- Start = frames.OrderBy(frame => frame.Start).Min(frame => frame.Start)
|
|
|
- };
|
|
|
-
|
|
|
- while (result)
|
|
|
- {
|
|
|
- var maxTimeFrame = GetUnionSet<T>(timePeriod, sources);
|
|
|
- if (!maxTimeFrame.Any())
|
|
|
- result = false;
|
|
|
- else
|
|
|
- foreach (var frame in maxTimeFrame)
|
|
|
- frames.Add(frame);
|
|
|
- }
|
|
|
-
|
|
|
- return frames;
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// 获取一批时间段内存在相互重叠的最大时间段
|
|
|
- /// </summary>
|
|
|
- /// <param name="destination">基础时间段</param>
|
|
|
- /// <param name="sources">一批时间段</param>
|
|
|
- /// <typeparam name="T"></typeparam>
|
|
|
- /// <returns></returns>
|
|
|
- /// <remarks>源数据sources 会受到影响</remarks>
|
|
|
- public static T GetMaxTimePeriod<T>(this T destination, List<T> sources) where T : ITimePeriod, new()
|
|
|
- {
|
|
|
- var list = sources.Select(period => new T()
|
|
|
- {
|
|
|
- End = period.End,
|
|
|
- Start = period.Start,
|
|
|
- }).ToList();
|
|
|
-
|
|
|
- var timePeriods = GetUnionSet(destination, list);
|
|
|
- return new T()
|
|
|
- {
|
|
|
- End = timePeriods.OrderBy(period => period.End).Max(period => period.End),
|
|
|
- Start = timePeriods.OrderBy(period => period.Start).Min(period => period.Start)
|
|
|
- };
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- ///
|
|
|
- /// </summary>
|
|
|
- public interface ITimePeriod
|
|
|
- {
|
|
|
- /// <summary>
|
|
|
- /// 起始时间
|
|
|
- /// </summary>
|
|
|
- public DateTime Start { get; set; }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// 终止时间
|
|
|
- /// </summary>
|
|
|
- public DateTime End { get; set; }
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// 区间模式
|
|
|
- /// </summary>
|
|
|
- public enum RangeMode
|
|
|
- {
|
|
|
- /// <summary>
|
|
|
- /// 开区间
|
|
|
- /// </summary>
|
|
|
- Open,
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// 闭区间
|
|
|
- /// </summary>
|
|
|
- Close,
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// 左开右闭区间
|
|
|
- /// </summary>
|
|
|
- OpenClose,
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// 左闭右开区间
|
|
|
- /// </summary>
|
|
|
- CloseOpen
|
|
|
- }
|
|
|
-
|
|
|
- public enum DateRangeType
|
|
|
- {
|
|
|
- Week,
|
|
|
- Month,
|
|
|
- Quarter,
|
|
|
- Year,
|
|
|
- LunarMonth,
|
|
|
- LunarQuarter,
|
|
|
- Solar,
|
|
|
- LunarYear,
|
|
|
- }
|
|
|
+ /// <summary>
|
|
|
+ /// 日期操作工具类
|
|
|
+ /// </summary>
|
|
|
+ public static class DateTimeHelper
|
|
|
+ {
|
|
|
+ /// <summary>
|
|
|
+ /// 获取某一年有多少周
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="now"></param>
|
|
|
+ /// <returns>该年周数</returns>
|
|
|
+ public static int GetWeekAmount(this in DateTime now)
|
|
|
+ {
|
|
|
+ var end = new DateTime(now.Year, 12, 31); //该年最后一天
|
|
|
+ var gc = new GregorianCalendar();
|
|
|
+ return gc.GetWeekOfYear(end, CalendarWeekRule.FirstDay, DayOfWeek.Monday); //该年星期数
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 返回年度第几个星期 默认星期日是第一天
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="date">时间</param>
|
|
|
+ /// <returns>第几周</returns>
|
|
|
+ public static int WeekOfYear(this in DateTime date)
|
|
|
+ {
|
|
|
+ var gc = new GregorianCalendar();
|
|
|
+ return gc.GetWeekOfYear(date, CalendarWeekRule.FirstDay, DayOfWeek.Sunday);
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 返回年度第几个星期
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="date">时间</param>
|
|
|
+ /// <param name="week">一周的开始日期</param>
|
|
|
+ /// <returns>第几周</returns>
|
|
|
+ public static int WeekOfYear(this in DateTime date, DayOfWeek week)
|
|
|
+ {
|
|
|
+ var gc = new GregorianCalendar();
|
|
|
+ return gc.GetWeekOfYear(date, CalendarWeekRule.FirstDay, week);
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 得到一年中的某周的起始日和截止日
|
|
|
+ /// 周数 nNumWeek
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="now"></param>
|
|
|
+ /// <param name="nNumWeek">第几周</param>
|
|
|
+ public static DateTimeRange GetWeekTime(this DateTime now, int nNumWeek)
|
|
|
+ {
|
|
|
+ var dt = new DateTime(now.Year, 1, 1);
|
|
|
+ dt += new TimeSpan((nNumWeek - 1) * 7, 0, 0, 0);
|
|
|
+ return new DateTimeRange(dt.AddDays(-(int)dt.DayOfWeek + (int)DayOfWeek.Monday), dt.AddDays((int)DayOfWeek.Saturday - (int)dt.DayOfWeek + 1));
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 得到当前周的起始日和截止日
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="dt"></param>
|
|
|
+ public static DateTimeRange GetCurrentWeek(this DateTime dt)
|
|
|
+ {
|
|
|
+ return new DateTimeRange(dt.AddDays(-(int)dt.DayOfWeek + (int)DayOfWeek.Monday).Date, dt.AddDays((int)DayOfWeek.Saturday - (int)dt.DayOfWeek + 1).Date.AddSeconds(86399));
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 得到当前月的起始日和截止日
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="dt"></param>
|
|
|
+ public static DateTimeRange GetCurrentMonth(this DateTime dt)
|
|
|
+ {
|
|
|
+ return new DateTimeRange(new DateTime(dt.Year, dt.Month, 1), new DateTime(dt.Year, dt.Month, GetDaysOfMonth(dt), 23, 59, 59));
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 得到当前农历月的起始日和截止日
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="dt"></param>
|
|
|
+ public static DateTimeRange GetCurrentLunarMonth(this DateTime dt)
|
|
|
+ {
|
|
|
+ var calendar = new ChineseCalendar(dt);
|
|
|
+ return new DateTimeRange(new ChineseCalendar(calendar.ChineseYear, calendar.ChineseMonth, 1).Date, new ChineseCalendar(calendar.ChineseYear, calendar.ChineseMonth, calendar.GetChineseMonthDays()).Date.AddSeconds(86399));
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 得到当前年的起始日和截止日
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="dt"></param>
|
|
|
+ public static DateTimeRange GetCurrentYear(this DateTime dt)
|
|
|
+ {
|
|
|
+ return new DateTimeRange(new DateTime(dt.Year, 1, 1), new DateTime(dt.Year, 12, 31, 23, 59, 59));
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 得到当前农历年的起始日和截止日
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="dt"></param>
|
|
|
+ public static DateTimeRange GetCurrentLunarYear(this DateTime dt)
|
|
|
+ {
|
|
|
+ var calendar = new ChineseCalendar(dt);
|
|
|
+ return new DateTimeRange(new ChineseCalendar(calendar.ChineseYear, 1, 1).Date, new ChineseCalendar(calendar.ChineseYear, 12, calendar.GetChineseMonthDays(calendar.ChineseYear, 12)).Date.AddSeconds(86399));
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 得到当前季度的起始日和截止日
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="dt"></param>
|
|
|
+ public static DateTimeRange GetCurrentQuarter(this DateTime dt)
|
|
|
+ {
|
|
|
+ return dt.Month switch
|
|
|
+ {
|
|
|
+ >= 1 and <= 3 => new DateTimeRange(new DateTime(dt.Year, 1, 1), new DateTime(dt.Year, 3, 31, 23, 59, 59)),
|
|
|
+ >= 4 and <= 6 => new DateTimeRange(new DateTime(dt.Year, 4, 1), new DateTime(dt.Year, 6, 30, 23, 59, 59)),
|
|
|
+ >= 7 and <= 9 => new DateTimeRange(new DateTime(dt.Year, 7, 1), new DateTime(dt.Year, 9, 30, 23, 59, 59)),
|
|
|
+ >= 10 and <= 12 => new DateTimeRange(new DateTime(dt.Year, 10, 1), new DateTime(dt.Year, 12, 31, 23, 59, 59)),
|
|
|
+ _ => throw new ArgumentOutOfRangeException()
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 得到当前农历季度的起始日和截止日
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="dt"></param>
|
|
|
+ public static DateTimeRange GetCurrentLunarQuarter(this DateTime dt)
|
|
|
+ {
|
|
|
+ var calendar = new ChineseCalendar(dt);
|
|
|
+ return dt.Month switch
|
|
|
+ {
|
|
|
+ >= 1 and <= 3 => new DateTimeRange(new ChineseCalendar(calendar.ChineseYear, 1, 1).Date, new ChineseCalendar(calendar.ChineseYear, 3, calendar.GetChineseMonthDays(calendar.ChineseYear, 3)).Date.AddSeconds(86399)),
|
|
|
+ >= 4 and <= 6 => new DateTimeRange(new ChineseCalendar(calendar.ChineseYear, 4, 1).Date, new ChineseCalendar(calendar.ChineseYear, 6, calendar.GetChineseMonthDays(calendar.ChineseYear, 6)).Date.AddSeconds(86399)),
|
|
|
+ >= 7 and <= 9 => new DateTimeRange(new ChineseCalendar(calendar.ChineseYear, 7, 1).Date, new ChineseCalendar(calendar.ChineseYear, 9, calendar.GetChineseMonthDays(calendar.ChineseYear, 9)).Date.AddSeconds(86399)),
|
|
|
+ >= 10 and <= 12 => new DateTimeRange(new ChineseCalendar(calendar.ChineseYear, 10, 1).Date, new ChineseCalendar(calendar.ChineseYear, 12, calendar.GetChineseMonthDays(calendar.ChineseYear, 12)).Date.AddSeconds(86399)),
|
|
|
+ _ => throw new ArgumentOutOfRangeException()
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 得到当前农历季度的起始日和截止日
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="dt"></param>
|
|
|
+ public static DateTimeRange GetCurrentSolar(this DateTime dt)
|
|
|
+ {
|
|
|
+ var calendar = new ChineseCalendar(dt);
|
|
|
+ ChineseCalendar[] quarters =
|
|
|
+ [
|
|
|
+ calendar.ChineseTwentyFourPrevDay.ChineseTwentyFourPrevDay.ChineseTwentyFourPrevDay,
|
|
|
+ calendar.ChineseTwentyFourPrevDay.ChineseTwentyFourPrevDay,
|
|
|
+ calendar.ChineseTwentyFourPrevDay,
|
|
|
+ calendar,
|
|
|
+ calendar.ChineseTwentyFourNextDay,
|
|
|
+ calendar.ChineseTwentyFourNextDay.ChineseTwentyFourNextDay,
|
|
|
+ calendar.ChineseTwentyFourNextDay.ChineseTwentyFourNextDay.ChineseTwentyFourNextDay
|
|
|
+ ];
|
|
|
+ var solar = quarters.LastOrDefault(c => new[] { "春分", "夏至", "秋分", "冬至" }.Contains(c.ChineseTwentyFourDay));
|
|
|
+ var start = solar.ChineseTwentyFourPrevDay.ChineseTwentyFourPrevDay.ChineseTwentyFourPrevDay;
|
|
|
+ var end = solar.ChineseTwentyFourNextDay.ChineseTwentyFourNextDay.ChineseTwentyFourNextDay;
|
|
|
+ return new DateTimeRange(start.Date, end.Date.AddSeconds(-1));
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 得到当前范围的起始日和截止日
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="dt"></param>
|
|
|
+ /// <param name="type"></param>
|
|
|
+ public static DateTimeRange GetCurrentRange(this DateTime dt, DateRangeType type)
|
|
|
+ {
|
|
|
+ return type switch
|
|
|
+ {
|
|
|
+ DateRangeType.Week => GetCurrentWeek(dt),
|
|
|
+ DateRangeType.Month => GetCurrentMonth(dt),
|
|
|
+ DateRangeType.Quarter => GetCurrentQuarter(dt),
|
|
|
+ DateRangeType.Year => GetCurrentYear(dt),
|
|
|
+ DateRangeType.LunarMonth => GetCurrentLunarMonth(dt),
|
|
|
+ DateRangeType.LunarQuarter => GetCurrentLunarQuarter(dt),
|
|
|
+ DateRangeType.Solar => GetCurrentSolar(dt),
|
|
|
+ DateRangeType.LunarYear => GetCurrentLunarYear(dt),
|
|
|
+ _ => throw new ArgumentOutOfRangeException(nameof(type), type, null)
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ #region P/Invoke 设置本地时间
|
|
|
+
|
|
|
+ [DllImport("kernel32.dll")]
|
|
|
+ private static extern bool SetLocalTime(ref SystemTime time);
|
|
|
+
|
|
|
+ [StructLayout(LayoutKind.Sequential)]
|
|
|
+ private record struct SystemTime
|
|
|
+ {
|
|
|
+ public short year;
|
|
|
+ public short month;
|
|
|
+ public short dayOfWeek;
|
|
|
+ public short day;
|
|
|
+ public short hour;
|
|
|
+ public short minute;
|
|
|
+ public short second;
|
|
|
+ public short milliseconds;
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 设置本地计算机系统时间,仅支持Windows系统
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="dt">DateTime对象</param>
|
|
|
+ public static void SetLocalTime(this in DateTime dt)
|
|
|
+ {
|
|
|
+ SystemTime st;
|
|
|
+ st.year = (short)dt.Year;
|
|
|
+ st.month = (short)dt.Month;
|
|
|
+ st.dayOfWeek = (short)dt.DayOfWeek;
|
|
|
+ st.day = (short)dt.Day;
|
|
|
+ st.hour = (short)dt.Hour;
|
|
|
+ st.minute = (short)dt.Minute;
|
|
|
+ st.second = (short)dt.Second;
|
|
|
+ st.milliseconds = (short)dt.Millisecond;
|
|
|
+ SetLocalTime(ref st);
|
|
|
+ }
|
|
|
+
|
|
|
+ #endregion P/Invoke 设置本地时间
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 返回相对于当前时间的相对天数
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="dt"></param>
|
|
|
+ /// <param name="relativeday">相对天数</param>
|
|
|
+ public static string GetDateTime(this in DateTime dt, int relativeday)
|
|
|
+ {
|
|
|
+ return dt.AddDays(relativeday).ToString("yyyy-MM-dd HH:mm:ss");
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 获取该时间相对于1970-01-01T00:00:00Z的秒数
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="dt"></param>
|
|
|
+ /// <returns></returns>
|
|
|
+ public static long GetTotalSeconds(this in DateTime dt) => new DateTimeOffset(dt).UtcDateTime.Ticks / 10_000_000L - 62135596800L;
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 获取该时间相对于1970-01-01T00:00:00Z的毫秒数
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="dt"></param>
|
|
|
+ /// <returns></returns>
|
|
|
+ public static long GetTotalMilliseconds(this in DateTime dt) => new DateTimeOffset(dt).UtcDateTime.Ticks / 10000L - 62135596800000L;
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 获取该时间相对于1970-01-01T00:00:00Z的微秒时间戳
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="dt"></param>
|
|
|
+ /// <returns></returns>
|
|
|
+ public static long GetTotalMicroseconds(this in DateTime dt) => (new DateTimeOffset(dt).UtcTicks - 621355968000000000) / 10;
|
|
|
+
|
|
|
+ [DllImport("Kernel32.dll")]
|
|
|
+ private static extern bool QueryPerformanceCounter(out long lpPerformanceCount);
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 获取该时间相对于1970-01-01T00:00:00Z的纳秒时间戳
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="dt"></param>
|
|
|
+ /// <returns></returns>
|
|
|
+ public static long GetTotalNanoseconds(this in DateTime dt)
|
|
|
+ {
|
|
|
+ var ticks = (new DateTimeOffset(dt).UtcTicks - 621355968000000000) * 100;
|
|
|
+ if (Environment.OSVersion.Platform == PlatformID.Win32NT)
|
|
|
+ {
|
|
|
+ QueryPerformanceCounter(out var timestamp);
|
|
|
+ return ticks + timestamp % 100;
|
|
|
+ }
|
|
|
+
|
|
|
+ return ticks + Stopwatch.GetTimestamp() % 100;
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 获取该时间相对于1970-01-01T00:00:00Z的分钟数
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="dt"></param>
|
|
|
+ /// <returns></returns>
|
|
|
+ public static double GetTotalMinutes(this in DateTime dt) => new DateTimeOffset(dt).Offset.TotalMinutes;
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 获取该时间相对于1970-01-01T00:00:00Z的小时数
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="dt"></param>
|
|
|
+ /// <returns></returns>
|
|
|
+ public static double GetTotalHours(this in DateTime dt) => new DateTimeOffset(dt).Offset.TotalHours;
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 获取该时间相对于1970-01-01T00:00:00Z的天数
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="dt"></param>
|
|
|
+ /// <returns></returns>
|
|
|
+ public static double GetTotalDays(this in DateTime dt) => new DateTimeOffset(dt).Offset.TotalDays;
|
|
|
+
|
|
|
+ /// <summary>本年有多少天</summary>
|
|
|
+ /// <param name="dt">日期</param>
|
|
|
+ /// <returns>本天在当年的天数</returns>
|
|
|
+ public static int GetDaysOfYear(this in DateTime dt)
|
|
|
+ {
|
|
|
+ //取得传入参数的年份部分,用来判断是否是闰年
|
|
|
+ int n = dt.Year;
|
|
|
+ return DateTime.IsLeapYear(n) ? 366 : 365;
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>本月有多少天</summary>
|
|
|
+ /// <param name="now"></param>
|
|
|
+ /// <returns>天数</returns>
|
|
|
+ public static int GetDaysOfMonth(this DateTime now)
|
|
|
+ {
|
|
|
+ return now.Month switch
|
|
|
+ {
|
|
|
+ 1 => 31,
|
|
|
+ 2 => DateTime.IsLeapYear(now.Year) ? 29 : 28,
|
|
|
+ 3 => 31,
|
|
|
+ 4 => 30,
|
|
|
+ 5 => 31,
|
|
|
+ 6 => 30,
|
|
|
+ 7 => 31,
|
|
|
+ 8 => 31,
|
|
|
+ 9 => 30,
|
|
|
+ 10 => 31,
|
|
|
+ 11 => 30,
|
|
|
+ 12 => 31,
|
|
|
+ _ => 0
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>返回当前日期的星期名称</summary>
|
|
|
+ /// <param name="now">日期</param>
|
|
|
+ /// <returns>星期名称</returns>
|
|
|
+ public static string GetWeekNameOfDay(this in DateTime now)
|
|
|
+ {
|
|
|
+ return now.DayOfWeek switch
|
|
|
+ {
|
|
|
+ DayOfWeek.Monday => "星期一",
|
|
|
+ DayOfWeek.Tuesday => "星期二",
|
|
|
+ DayOfWeek.Wednesday => "星期三",
|
|
|
+ DayOfWeek.Thursday => "星期四",
|
|
|
+ DayOfWeek.Friday => "星期五",
|
|
|
+ DayOfWeek.Saturday => "星期六",
|
|
|
+ DayOfWeek.Sunday => "星期日",
|
|
|
+ _ => ""
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 判断时间是否在区间内
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="this"></param>
|
|
|
+ /// <param name="start">开始</param>
|
|
|
+ /// <param name="end">结束</param>
|
|
|
+ /// <param name="mode">模式</param>
|
|
|
+ /// <returns></returns>
|
|
|
+ public static bool In(this in DateTime @this, DateTime? start, DateTime? end, RangeMode mode = RangeMode.Close)
|
|
|
+ {
|
|
|
+ start ??= DateTime.MinValue;
|
|
|
+ end ??= DateTime.MaxValue;
|
|
|
+ return mode switch
|
|
|
+ {
|
|
|
+ RangeMode.Open => start < @this && end > @this,
|
|
|
+ RangeMode.Close => start <= @this && end >= @this,
|
|
|
+ RangeMode.OpenClose => start < @this && end >= @this,
|
|
|
+ RangeMode.CloseOpen => start <= @this && end > @this,
|
|
|
+ _ => throw new ArgumentOutOfRangeException(nameof(mode), mode, null)
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 返回某年某月最后一天
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="now"></param>
|
|
|
+ /// <returns>日</returns>
|
|
|
+ public static int GetMonthLastDate(this DateTime now)
|
|
|
+ {
|
|
|
+ DateTime lastDay = new DateTime(now.Year, now.Month, new GregorianCalendar().GetDaysInMonth(now.Year, now.Month));
|
|
|
+ return lastDay.Day;
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 获得一段时间内有多少小时
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="start">起始时间</param>
|
|
|
+ /// <param name="end">终止时间</param>
|
|
|
+ /// <returns>小时差</returns>
|
|
|
+ public static string GetTimeDelay(this in DateTime start, DateTime end)
|
|
|
+ {
|
|
|
+ return (end - start).ToString("c");
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 返回时间差
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="dateTime1">时间1</param>
|
|
|
+ /// <param name="dateTime2">时间2</param>
|
|
|
+ /// <returns>时间差</returns>
|
|
|
+ public static string DateDiff(this in DateTime dateTime1, in DateTime dateTime2)
|
|
|
+ {
|
|
|
+ string dateDiff;
|
|
|
+ var ts = dateTime2 - dateTime1;
|
|
|
+ if (ts.TotalDays >= 1)
|
|
|
+ {
|
|
|
+ dateDiff = ts.TotalDays >= 30 ? (ts.TotalDays / 30) + "个月前" : ts.TotalDays + "天前";
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ dateDiff = ts.Hours > 1 ? ts.Hours + "小时前" : ts.Minutes + "分钟前";
|
|
|
+ }
|
|
|
+
|
|
|
+ return dateDiff;
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 计算2个时间差
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="beginTime">开始时间</param>
|
|
|
+ /// <param name="endTime">结束时间</param>
|
|
|
+ /// <returns>时间差</returns>
|
|
|
+ public static string GetDiffTime(this in DateTime beginTime, in DateTime endTime)
|
|
|
+ {
|
|
|
+ string strResout = string.Empty;
|
|
|
+
|
|
|
+ //获得2时间的时间间隔秒计算
|
|
|
+ TimeSpan span = endTime.Subtract(beginTime);
|
|
|
+ if (span.Days >= 365)
|
|
|
+ {
|
|
|
+ strResout += span.Days / 365 + "年";
|
|
|
+ }
|
|
|
+ if (span.Days >= 30)
|
|
|
+ {
|
|
|
+ strResout += span.Days % 365 / 30 + "个月";
|
|
|
+ }
|
|
|
+ if (span.Days >= 1)
|
|
|
+ {
|
|
|
+ strResout += (int)(span.TotalDays % 30.42) + "天";
|
|
|
+ }
|
|
|
+ if (span.Hours >= 1)
|
|
|
+ {
|
|
|
+ strResout += span.Hours + "小时";
|
|
|
+ }
|
|
|
+ if (span.Minutes >= 1)
|
|
|
+ {
|
|
|
+ strResout += span.Minutes + "分钟";
|
|
|
+ }
|
|
|
+ if (span.Seconds >= 1)
|
|
|
+ {
|
|
|
+ strResout += span.Seconds + "秒";
|
|
|
+ }
|
|
|
+ return strResout;
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 根据某个时间段查找在某批时间段中的最大并集
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="destination"></param>
|
|
|
+ /// <param name="sources"></param>
|
|
|
+ /// <typeparam name="T"></typeparam>
|
|
|
+ /// <returns></returns>
|
|
|
+ public static ICollection<T> GetUnionSet<T>(this T destination, List<T> sources) where T : ITimePeriod, new()
|
|
|
+ {
|
|
|
+ var result = true;
|
|
|
+ ICollection<T> frames = new List<T>();
|
|
|
+
|
|
|
+ var timeFrames = sources.Where(frame =>
|
|
|
+ !(destination.Start > frame.End || destination.End < frame.Start)).ToList();
|
|
|
+ if (timeFrames.Any())
|
|
|
+ foreach (var frame in timeFrames)
|
|
|
+ {
|
|
|
+ frames.Add(frame);
|
|
|
+ sources.Remove(frame);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!frames.Any()) return frames;
|
|
|
+ var timePeriod = new T()
|
|
|
+ {
|
|
|
+ End = frames.OrderBy(frame => frame.End).Max(frame => frame.End),
|
|
|
+ Start = frames.OrderBy(frame => frame.Start).Min(frame => frame.Start)
|
|
|
+ };
|
|
|
+
|
|
|
+ while (result)
|
|
|
+ {
|
|
|
+ var maxTimeFrame = GetUnionSet<T>(timePeriod, sources);
|
|
|
+ if (!maxTimeFrame.Any())
|
|
|
+ result = false;
|
|
|
+ else
|
|
|
+ foreach (var frame in maxTimeFrame)
|
|
|
+ frames.Add(frame);
|
|
|
+ }
|
|
|
+
|
|
|
+ return frames;
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 获取一批时间段内存在相互重叠的最大时间段
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="destination">基础时间段</param>
|
|
|
+ /// <param name="sources">一批时间段</param>
|
|
|
+ /// <typeparam name="T"></typeparam>
|
|
|
+ /// <returns></returns>
|
|
|
+ /// <remarks>源数据sources 会受到影响</remarks>
|
|
|
+ public static T GetMaxTimePeriod<T>(this T destination, List<T> sources) where T : ITimePeriod, new()
|
|
|
+ {
|
|
|
+ var list = sources.Select(period => new T()
|
|
|
+ {
|
|
|
+ End = period.End,
|
|
|
+ Start = period.Start,
|
|
|
+ }).ToList();
|
|
|
+
|
|
|
+ var timePeriods = GetUnionSet(destination, list);
|
|
|
+ return new T()
|
|
|
+ {
|
|
|
+ End = timePeriods.OrderBy(period => period.End).Max(period => period.End),
|
|
|
+ Start = timePeriods.OrderBy(period => period.Start).Min(period => period.Start)
|
|
|
+ };
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ ///
|
|
|
+ /// </summary>
|
|
|
+ public interface ITimePeriod
|
|
|
+ {
|
|
|
+ /// <summary>
|
|
|
+ /// 起始时间
|
|
|
+ /// </summary>
|
|
|
+ public DateTime Start { get; set; }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 终止时间
|
|
|
+ /// </summary>
|
|
|
+ public DateTime End { get; set; }
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 区间模式
|
|
|
+ /// </summary>
|
|
|
+ public enum RangeMode
|
|
|
+ {
|
|
|
+ /// <summary>
|
|
|
+ /// 开区间
|
|
|
+ /// </summary>
|
|
|
+ Open,
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 闭区间
|
|
|
+ /// </summary>
|
|
|
+ Close,
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 左开右闭区间
|
|
|
+ /// </summary>
|
|
|
+ OpenClose,
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 左闭右开区间
|
|
|
+ /// </summary>
|
|
|
+ CloseOpen
|
|
|
+ }
|
|
|
+
|
|
|
+ public enum DateRangeType
|
|
|
+ {
|
|
|
+ Week,
|
|
|
+ Month,
|
|
|
+ Quarter,
|
|
|
+ Year,
|
|
|
+ LunarMonth,
|
|
|
+ LunarQuarter,
|
|
|
+ Solar,
|
|
|
+ LunarYear,
|
|
|
+ }
|
|
|
}
|