112 lines
3.1 KiB
C#
112 lines
3.1 KiB
C#
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using System;
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using System.Collections.Generic;
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namespace Sicentury.Core
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{
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/// <summary>
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/// 该类实现对时间范围进行操作,包括按指定间隔分隔时间范围。
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/// </summary>
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public class DateRangeHelper
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{
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#region Constructors
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public DateRangeHelper(DateTime start, DateTime end)
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{
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Start = start;
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End = end;
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}
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#endregion
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#region Properties
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public DateTime Start { get; set; }
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public DateTime End { get; set; }
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public TimeSpan Diff => End - Start;
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#endregion
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#region Methods
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/// <summary>
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/// 将时间范围按天为间隔分割为数组。
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/// </summary>
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/// <param name="range"></param>
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/// <returns></returns>
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public static IEnumerable<DateRangeHelper> SplitInToDays(DateRangeHelper range)
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{
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var ranges = new List<DateRangeHelper>();
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var currRange = new DateRangeHelper(range.Start, range.Start.Date.AddDays(1).AddTicks(-1));
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while (true)
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{
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if (currRange.End.Date <= range.End.Date)
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{
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if (currRange.End > range.End)
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currRange.End = range.End;
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ranges.Add(currRange);
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// 向后移一天
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currRange = new DateRangeHelper(currRange.Start.Date.AddDays(1),
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currRange.Start.Date.AddDays(2).AddTicks((-1)));
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}
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else
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{
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break;
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}
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}
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return ranges;
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}
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/// <summary>
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/// 将时间范围按指定的小时间隔分割为数组。
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/// </summary>
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/// <param name="range"></param>
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/// <param name="hourGap"></param>
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/// <returns></returns>
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/// <exception cref="NotImplementedException"></exception>
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public static IEnumerable<DateRangeHelper> SplitInToHours(DateRangeHelper range, int hourGap)
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{
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var ranges = new List<DateRangeHelper>();
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var timeBegin = range.Start;
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if (timeBegin > range.End)
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return ranges;
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while (true)
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{
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var timeEnd = timeBegin.AddHours(hourGap);
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// 检查是否超过timeStart日期
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if (timeEnd.Date > timeBegin.Date)
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timeEnd = timeBegin.Date.AddDays(1).AddTicks(-1);
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if (timeEnd > range.End)
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timeEnd = range.End;
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ranges.Add(new DateRangeHelper(timeBegin, timeEnd));
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timeBegin = timeEnd.AddTicks(1);
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// 如果其实时间大于给定范围,则退出
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if (timeBegin > range.End)
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break;
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}
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return ranges;
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}
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public override string ToString()
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{
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return $"{Start:yyyy/MM/dd HH:mm:ss.fff} - {End:yyyy/MM/dd HH:mm:ss.fff}";
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}
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#endregion
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}
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}
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