C#枚举Enum

最新推荐文章于 2025-03-24 07:51:34 发布

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最新推荐文章于 2025-03-24 07:51:34 发布

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namespace ConsoleApp1
{
    enum DayOfWeek
    {
        sunday = 0,
        monday = 1,
        tuesday = 2,
        wednesday = 3,
        thursday = 4,
        friday = 5,
        saturday = 6

    }
    internal class Program
    {
        static void Main(string[] args)
        {
            Today(DayOfWeek.monday);
            Console.ReadKey();
        }

        static void Today(DayOfWeek dayOfWeek)
        {
            switch (dayOfWeek) 
            {
                case DayOfWeek.sunday:
                    Console.WriteLine("星期日");
                    break;
                case DayOfWeek.monday:
                    Console.WriteLine("星期一");
                    break;
                case DayOfWeek.tuesday:
                    Console.WriteLine("星期二");
                    break;
                case DayOfWeek.wednesday:
                    Console.WriteLine("星期三");
                    break;
                case DayOfWeek.thursday:
                    Console.WriteLine("星期四");
                    break;
                case DayOfWeek.friday:
                    Console.WriteLine("星期五");
                    break;
                case DayOfWeek.saturday:
                    Console.WriteLine("星期六");
                    break;
            }
        }
    }
}

通过枚举限定选项，Today(DayOfWeek dayOfWeek)的参数是一个枚举，那么传递过去的参数也要是定义的枚举中的变量。

枚举要定义在类的外面。