c#枚举推断出枚举特性

/// <summary>
        /// 根据枚举key得到枚举注释
        /// </summary>
        /// <param name="dataType"></param>
        /// <returns></returns>
        protected string GetDataTypeDescription(string dataType)
        {
            var type = typeof(Enums);
            var memInfo = type.GetMember(dataType);
            var attributes = memInfo[0].GetCustomAttributes(typeof(DescriptionAttribute), false);
            var description = ((DescriptionAttribute)attributes[0]).Description;
            return description;
        }

 

 

[Description("123456789")]
        ClassNotice = 1,