[c#]日期區間跑迴圈

 public List<string> GetSelectWeeksByDate(DateTime startDate, DateTime endDate)
 {
     List<string> weeks = new List<string>();
    for (DateTime date = startDate; date <= endDate; date = date.AddDays(1))
    {
        weeks.Add(date.DayOfWeek.ToString("d") == "0" ? "7" : date.DayOfWeek.ToString("d"));
     }
     return weeks;
}