枚举操作类

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Reflection;
public static class EnumHelper<T>
{
    public static string GetDescription(Enum en)
    {
        Type type = en.GetType();

        MemberInfo[] memInfo = type.GetMember(en.ToString());

        if (memInfo != null && memInfo.Length > 0)
        {
            object[] attrs = memInfo[0].GetCustomAttributes(typeof(DescriptionAttribute), false);

            if (attrs != null && attrs.Length > 0)
            {
                return ((DescriptionAttribute)attrs[0]).Description;
            }
        }

        return en.ToString();
    }

    public static T Parse(string value)
    {
        return (T)Enum.Parse(typeof(T), value);
    }

    public static IList<T> GetValues()
    {
        IList<T> list = new List<T>();
        foreach (object value in Enum.GetValues(typeof(T)))
        {
            list.Add((T)value);
        }

        return list;
    }

    public static Dictionary<T, string> GetValueDescriptionDictionary()
    {
        Dictionary<T, string> dictionary = new Dictionary<T, string>();
        foreach (object value in Enum.GetValues(typeof(T)))
        {
            dictionary.Add((T)value, GetDescription((Enum)value));
        }
        return dictionary;
    }

}