DateTime
dt = DateTime.Now; //当前时间
DateTime
startWeek = dt.AddDays(1 - Convert.ToInt32(dt.DayOfWeek.ToString("d")));
//本周周一
DateTime
endWeek = startWeek.AddDays(6); //本周周日
DateTime
startMonth = dt.AddDays(1 - dt.Day); //本月月初
DateTime
endMonth = startMonth.AddMonths(1).AddDays(-1); //本月月末
DateTime
endMonth = startMonth.AddDays((dt.AddMonths(1) - dt).Days - 1); //本月月末
DateTime
startQuarter = dt.AddMonths(0 - (dt.Month - 1) % 3).AddDays(1 - dt.Day);
//本季度初
DateTime
endQuarter = startQuarter.AddMonths(3).AddDays(-1); //本季度末
DateTime
startYear = new DateTime(dt.Year, 1, 1); //本年年初
DateTime
endYear = new DateTime(dt.Year, 12, 31); //本年年末
C#获取周一、周日的日期,月初,月末,季度第一天,季度最后一天,布布扣,bubuko.com
时间: 2024-12-14 03:05:42