public DateTimeRange Create(DateTimeRangeType periodType, int periodsAgo, DateTime?current = null)
{
DateTime today = current?.Date ?? DateTime.Today;
switch (periodType)
{
case DateTimeRangeType.Day:
return(CreateDayPeriod(today.AddDays(-periodsAgo)));
case DateTimeRangeType.Week:
return(CreateWeekPeriod(today.AddDays(-7 * periodsAgo)));
case DateTimeRangeType.Month:
return(CreateMonthPeriod(today.AddMonths(-periodsAgo)));
case DateTimeRangeType.Year:
return(CreateYearPeriod(today.AddYears(-periodsAgo)));
case DateTimeRangeType.AllTime:
return(CreateAllTimePeriod());
default:
throw new ArgumentException(nameof(periodType));
}
}
/// <summary>
/// 获取时间范围
/// </summary>
/// <param name="type"></param>
/// <param name="now"></param>
/// <returns></returns>
public static DateTime[] GetDateTimeRange(DateTimeRangeType type, DateTime?now = null)
{
var dates = new DateTime[2];
switch (type)
{
case DateTimeRangeType.Today:
dates[0] = GetToday(now);
dates[1] = dates[0].AddDays(1);
break;
case DateTimeRangeType.Yesterday:
dates[0] = GetYesterday(now);
dates[1] = dates[0].AddDays(1);
break;
case DateTimeRangeType.ThisWeek:
dates[0] = GetThisWeekFirstDay(now);
dates[1] = dates[0].AddDays(7);
break;
case DateTimeRangeType.LastWeek:
dates[0] = GetLastWeekFirstDay(now);
dates[1] = dates[0].AddDays(7);
break;
case DateTimeRangeType.In7Days:
dates[0] = Get6DaysAgo(now);
dates[1] = dates[0].AddDays(7);
break;
case DateTimeRangeType.ThisMonth:
dates[0] = GetThisMonthFirstDay(now);
dates[1] = dates[0].AddMonths(1);
break;
case DateTimeRangeType.LastMonth:
dates[0] = GetLastMonthFirstDay(now);
dates[1] = dates[0].AddMonths(1);
break;
case DateTimeRangeType.In30Days:
dates[0] = Get29DaysAgo(now);
dates[1] = dates[0].AddDays(30);
break;
case DateTimeRangeType.ThisYear:
dates[0] = GetThisYearFirstDay(now);
dates[1] = dates[0].AddYears(1);
break;
case DateTimeRangeType.LastYear:
dates[0] = GetLastYearFirstDay(now);
dates[1] = dates[0].AddYears(1);
break;
}
return(dates);
}
public DateTimeRange Create(DateTimeRangeType periodType, DateTime?current = null)
{
return(Create(periodType, 0, current));
}
