C#获取枚举的描述(Description)

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication4
{
    class Program
    {
        static void Main(string[] args)
        {
            Status a = (Status)2;
            Console.WriteLine(a.ToString());
            Console.WriteLine(a.ToDescription());
            Console.ReadKey();
        }

        public enum Status
        {
            [Description("零")]
            Zero = 0,
            [Description("一")]
            One = 1,
            [Description("二")]
            Two = 2
        }
    }

    public static class StringExtensions
    {
        public static string ToDescription(this Enum value)
        {
            if (value == null)
                return "";

            System.Reflection.FieldInfo fieldInfo = value.GetType().GetField(value.ToString());

            object[] attribArray = fieldInfo.GetCustomAttributes(false);
            if (attribArray.Length == 0)
                return value.ToString();
            else
                return (attribArray[0] as DescriptionAttribute).Description;
        }
    }
}