获取给定日期名称字符串的当前周的公正日期

Question

仅当我具有字符串日期名称时，我才需要获取日期，到目前为止，我已经尝试过了

var now = DateTime.Now.Date;

var currentDay = now.DayOfWeek;
int days = (int)currentDay+1;
dt1 = now.AddDays(-days);
dt1 = dt1.AddHours(hour);

例如“星期二”。获取今天的公元前星期二是星期二

但是没有运气

Answer 1

基于

• C#: DateTime.DayOfWeek to string comparison - Stack Overflow

• c# - How can I get the DateTime for the start of the week? - Stack Overflow

      DateTime getDate(string dayOfWeekString)
      {
          var dayOfWeek = (DayOfWeek)Enum.Parse(typeof(DayOfWeek), dayOfWeekString);
          var now = DateTime.Now.Date;
          var diff = (7 + (now.DayOfWeek - dayOfWeek)) % 7;
          return now.AddDays(-1 * diff).Date;
      }
      Console.WriteLine(getDate("Tuesday"));
      Console.ReadLine();