using System; namespace cuidian.Common { public class DateTimeUtils { /// /// 获得月初日期 /// /// /// public static DateTime GetFirstMonthDate(DateTime date) { return new DateTime(date.Year, date.Month, 1); } /// /// 获得月末日期 /// /// /// public static DateTime GetEndMonthDate(DateTime date) { return date.AddMonths(1).AddDays(-1); } } }