C#时间分割
public Dictionary<DateTime, TimeRange> GetDateTimeRanges(DateTime startTime, DateTime endTime, int type) { Dictionary<DateTime, TimeRange> timeDic = new Dictionary<DateTime, TimeRange>(); switch (type) { case 0://月分割 TimeRange timeRange = new TimeRange(); timeRange.StartTime = startTime; var nextTime= startTime.AddDays(1 - startTime.Day).AddMonths(1).AddHours(-startTime.Hour).AddMinutes(-startTime.Minute).AddSeconds(-startTime.Second); timeRange.EndTime = nextTime; timeDic.Add(startTime, timeRange); while (DateTime.Compare(startTime, endTime) <= 0) { TimeRange timeRange0 = new TimeRange(); var tmpTime = nextTime; timeRange0.StartTime = nextTime; nextTime= nextTime.AddDays(1 - startTime.Day).AddMonths(1).AddHours(-startTime.Hour).AddMinutes(-startTime.Minute).AddSeconds(-startTime.Second); timeRange0.EndTime = nextTime; timeDic.Add(tmpTime, timeRange0); startTime = nextTime; } break; case 1://季度分割 TimeRange timeRange1 = new TimeRange(); timeRange1.StartTime = startTime; var nextTime1 = startTime.AddDays(1 - startTime.Day).AddMonths(3).AddHours(-startTime.Hour).AddMinutes(-startTime.Minute).AddSeconds(-startTime.Second); timeRange1.EndTime = nextTime1; timeDic.Add(startTime, timeRange1); while (DateTime.Compare(startTime, endTime) < 0) { TimeRange timeRange0 = new TimeRange(); var tmpTime = nextTime1; timeRange0.StartTime = nextTime1; nextTime1 = nextTime1.AddDays(1 - startTime.Day).AddMonths(3).AddHours(-startTime.Hour).AddMinutes(-startTime.Minute).AddSeconds(-startTime.Second); timeRange0.EndTime = nextTime1; timeDic.Add(tmpTime, timeRange0); startTime = nextTime1; } break; } return timeDic; } public class TimeRange { public DateTime StartTime { get; set; } public DateTime EndTime { get; set; } }
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