/// <summary> /// 返回时间区间的辅助方法 /// </summary> /// <param name="Begin">时间区间的开始</param> /// <param name="AddDay">指定要在区间的开始加上多少天</param> /// <returns></returns> private static DI Aided(DateTimeOffset Begin, int AddDay) => IInterval.Create(Begin, Begin + new TimeSpan(AddDay, 23, 59, 59, 999));