C# 枚举的一些转换方法

    #region 枚举公用转换类
    public class EnumDescConverter : System.ComponentModel.EnumConverter
    {
        protected System.Type m_MyVal;
        public static string GetEnumDescription(Enum value)
        {
            FieldInfo fi = value.GetType().GetField(value.ToString());
            DescriptionAttribute[] attributes =
              (DescriptionAttribute[])fi.GetCustomAttributes(
              typeof(DescriptionAttribute), false);
            return (attributes.Length > 0) ? attributes[0].Description : value.ToString();
        }

        public static string GetEnumDescription(System.Type value, string name)
        {
            FieldInfo fi = value.GetField(name);
            DescriptionAttribute[] attributes =
              (DescriptionAttribute[])fi.GetCustomAttributes(
              typeof(DescriptionAttribute), false);
            return (attributes.Length > 0) ? attributes[0].Description : name;
        }
        public static object GetEnumValue(System.Type value, string description)
        {
            FieldInfo[] fis = value.GetFields();
            foreach (FieldInfo fi in fis)
            {
                DescriptionAttribute[] attributes = (DescriptionAttribute[])fi.GetCustomAttributes(typeof(DescriptionAttribute), false);
                if (attributes.Length > 0)
                {
                    if (attributes[0].Description == description)
                    {
                        return fi.GetValue(fi.Name);
                    }
                }
                if (fi.Name == description)
                {
                    return fi.GetValue(fi.Name);
                }
            }
            return description;
        }
        public EnumDescConverter(System.Type type)
            : base(type.GetType())
        {
            m_MyVal = type;
        }
        public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType)
        {
            if (value is Enum && destinationType == typeof(string))
            {
                return GetEnumDescription((Enum)value);
            }
            if (value is string && destinationType == typeof(string))
            {
                return GetEnumDescription(m_MyVal, (string)value);
            }
            return base.ConvertTo(context, culture, value, destinationType);
        }

        public override object ConvertFrom(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value)
        {
            if (value is string)
            {
                return GetEnumValue(m_MyVal, (string)value);
            }
            if (value is Enum)
            {
                return GetEnumDescription((Enum)value);
            }
            return base.ConvertFrom(context, culture, value);
        }
    }
    #endregion

 #region 枚举相关方法
    public static class EnumHelper
    {
        /// <summary>
        /// 根据枚举类型获取字典
        /// </summary>
        /// <param name="type">枚举类型</param>
        /// <returns></returns>
        public static Dictionary<int, string> GetEnumeTypeDic(Type type)
        {
            Dictionary<int, string> dic = new Dictionary<int, string>();
            int key = -1;
            string value = string.Empty;
            foreach (object gc in Enum.GetValues(type))
            {
                key = (int)gc;
                value = EnumDescConverter.GetEnumDescription((Enum)gc);
                if (key != -1 && !dic.ContainsKey(key))
                {
                    dic.Add(key, value);
                }
            }
            return dic;
        }
    }
    #endregion

  #region 枚举定义
    public enum CHMSO
    {
        [Description("kbro")]
        KBRO = 5301001,
        [Description("TFM")]
        TFM = 5301002,

    }
    public enum CArea
    {
        [Description("大台北")]
        BigTaipei = 5310,
        [Description("中部")]
        Center = 5311,
        [Description("南部")]
        South = 5312,
        [Description("其他北部")]
        OtherNorth = 5313,
    }