本文介绍了一个月的最后一个星期一的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
请问如何获取每月的最后一个星期一?
感谢
Hi,
How do I get the last monday of the month please?
Thanks
推荐答案
public static DateTime LastMonday(int year, int month)
{
DateTime dt;
if (month < 12)
dt = new DateTime(year, month + 1, 1);
else
dt = new DateTime(year + 1, 1, 1);
dt = dt.AddDays(-1);
while (dt.DayOfWeek != DayOfWeek.Monday) dt = dt.AddDays(-1);
return dt;
}
void Main()
{
DateTime date = LastDayOfMonth(2012, 6, DayOfWeek.Monday);
//date = 6/25/2012
}
public DateTime LastDayOfMonth(int year, int month, DayOfWeek dayOfWeek){
DateTime lastDateOfMonth = new DateTime(year, month,
DateTime.DaysInMonth(year,month));
return lastDateOfMonth.AddDays(lastDateOfMonth.DayOfWeek < dayOfWeek ?
dayOfWeek - lastDateOfMonth.DayOfWeek - 7 :
dayOfWeek - lastDateOfMonth.DayOfWeek);
}
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