C#中VB6的WeekDay函数的等价物 [英] Equivalent of WeekDay Function of VB6 in C#

问题描述

在 VB6 代码中，我有以下内容:

In VB6 code, I have the following:

dim I as Long 

I = Weekday(Now, vbFriday) 

我想要 C# 中的等价物.有人可以帮忙吗?

I want the equivalent in C#. Can any one help?

推荐答案

public static int Weekday(DateTime dt, DayOfWeek startOfWeek)
{
    return (dt.DayOfWeek - startOfWeek + 7) % 7;
}

这可以使用:

DateTime dt = DateTime.Now;
Console.WriteLine(Weekday(dt, DayOfWeek.Friday));

以上输出:

4

因为星期二是星期五之后的 4 天.

as Tuesday is 4 days after Friday.

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