#include <iostream>
using namespace std;
enum week{Monday,Thuesday};
int main()
{
    week day;
    day = Monday;
    day = Thuesday;
    //day = 4;  報錯 類型轉(zhuǎn)化出錯
    //day++;   出錯，沒有++ 操作
    cout << day << endl;//輸出結(jié)果為1
    return 0;
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace myEnum_Structure
{
    enum Week
    {
        Monday,
        Thuesday,
        Wednesday,
        Thursday,
        Friday,
        Saturday,
        Sunday
    }
    class Program
    {
        static void Main(string[] args)
        {
            Week day;
            day = Week.Sunday;
            Console.WriteLine(day);//輸出Sunday
            day++;
            Console.WriteLine(day);//輸出7
        }
    }
}

        public enum NoticeType
        {
            Notice = 'A',
            LabRule = 'H',
            HotInformation = 'N',
            Column = 'C',
            All = '1',
            Null = '0'
        }
        private void button1_Click(object sender, EventArgs e)
        {
            //新建枚舉類型
            NoticeType noticeType1 = NoticeType.Column;

            //把枚舉類型轉(zhuǎn)換為string d="Column"
            string d = noticeType1.ToString();

            //取得枚舉類型的基數(shù) 'C'
            char dd = (char)noticeType1;

            //通過基數(shù)取得對應(yīng)的枚舉類型 
            NoticeType noticeType2 = (NoticeType)Char.Parse("A");//Notice

            //通過名稱取得枚舉類型 
            NoticeType noticeType3 = (NoticeType)Enum.Parse(typeof(NoticeType), "Notice");
        }

 		[Description("會員等級")]
        enum MemberLevel
        {
            [Description("金牌會員")]
            gold = 1,
            [Description("銀牌會員")]
            silver = 2,
            [Description("銅牌會員")]
            copper = 3
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="value">枚舉值</param>
        /// <param name="isTop">是否是頂級標(biāo)題的描述信息</param>
        /// <returns></returns>
        public static string GetDescription(this Enum value, bool isTop = false)
        {

            Type enumType = value.GetType();
            DescriptionAttribute attr = null;
            if (isTop)
            {
                attr = (DescriptionAttribute)Attribute.GetCustomAttribute(enumType, typeof(DescriptionAttribute));
            }
            else
            {
                // 獲取枚舉常數(shù)名稱。
                string name = Enum.GetName(enumType, value);
                if (name != null)
                {
                    // 獲取枚舉字段。
                    FieldInfo fieldInfo = enumType.GetField(name);
                    if (fieldInfo != null)
                    {
                        // 獲取描述的屬性。
                        attr = Attribute.GetCustomAttribute(fieldInfo, typeof(DescriptionAttribute), false) as DescriptionAttribute;
                    }
                }
            }

            if (attr != null && !string.IsNullOrEmpty(attr.Description))
                return attr.Description;
            else
                return string.Empty;
        }

     		MemberLevel gold = MemberLevel.gold;
            Console.WriteLine(gold.GetDescription());
            System.Console.Read();