来源：《编写高质量代码改善C#程序的157个建议》-建议110：用类来代替enum
废话不多说，代码来得更亲切。
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace enumDemo { class Program { static void Main(string[] args) { Console.WriteLine(((int)week.monday).ToString()); Console.WriteLine(week.monday.ToString()); Console.WriteLine(EnumHelper.GetDescription(week.monday)); Console.WriteLine(((int)week.tuesday).ToString()); Console.WriteLine(week.tuesday.ToString()); Console.WriteLine(EnumHelper.GetDescription(week.tuesday)); if (week.优惠券.ToString().Equals("优惠券")) { Console.WriteLine("bingo"); } Console.ReadLine(); } enum week { [EnumDescription("星期一")] monday, [EnumDescription("星期二")] tuesday, 优惠券 } #region 添加标记方法 [AttributeUsage(AttributeTargets.Field, AllowMultiple = false)] public sealed class EnumDescriptionAttribute : Attribute { private string description; public string Description { get { return this.description; } } public EnumDescriptionAttribute(string description) : base() { this.description = description; } } public static class EnumHelper { public static string GetDescription(Enum value) { if (value == null) { throw new ArgumentNullException("value"); } string description = value.ToString(); System.Reflection.FieldInfo fieldinfo = value.GetType().GetField(description); EnumDescriptionAttribute[] attributes = (EnumDescriptionAttribute[])fieldinfo.GetCustomAttributes(typeof(EnumDescriptionAttribute), false); if (attributes != null && attributes.Length > 0) { description = attributes[0].Description; } return description; } } #endregion class weekend { public static readonly weekend monday = new weekend(0); public static readonly weekend tuesday = new weekend(1); private int _infoType; private weekend(int infoType) { _infoType = infoType; } public override string ToString() { switch (_infoType) { case 0: return "星期一"; case 1: return "星期二"; default: throw new Exception("不正确的输入"); } //return base.ToString(); } } } }