本月周六周日LIST集合

//计算本月有哪些天是周六，周日

//本月开始日期

var starMoth = DateTime.Now.AddDays(-DateTime.Now.Day + 1).Date;

//本月截至日期

var stopMoth = starMoth.AddMonths(1).AddDays(-1).Date;

var listSaturday = new List<DateTime>();

var listSunday = new List<DateTime>();

var temp = starMoth;

while (temp <= stopMoth)

{

    if (temp.DayOfWeek == DayOfWeek.Saturday && temp <= stopMoth)

    {

        listSaturday.Add(temp.Date);

        if (temp.AddDays(1).Date <= stopMoth)

        {

            listSunday.Add(temp.AddDays(1));

        }

        temp = temp.AddDays(6);

    }

    else

    {

        temp = temp.AddDays(1);

    }

}

Console.WriteLine("本月周六--");

listSaturday.ForEach(n => Console.WriteLine(n.Date));

Console.WriteLine("本月周日--");

listSunday.ForEach(n => Console.WriteLine(n.Date));

Console.ReadKey();