根据枚举类型获取描述

         ///<summary>
        /// 根据枚举类型获取描述
        ///</summary>
        ///<param name="value">类型</param>
        ///<returns>描述</returns>
        public static string GetEnumDescription(Enum value)
        {
            FieldInfo fi = value.GetType().GetField(value.ToString());
            DescriptionAttribute[] attributes = (DescriptionAttribute[])fi.GetCustomAttributes(typeof(DescriptionAttribute), false);
            if (attributes.Length > 0)
            {
                return attributes[0].Description;
            }
            else
            {
                return value.ToString();
            }
        }

例：

        /// <summary>
        /// 认知分类（考核能力）
        /// </summary>
        public enum Perceiver
        {
            /// <summary>
            /// 识记
            /// </summary>
            [Description("识记")]
            Memorize = 0,
            /// <summary>
            /// 理解
            /// </summary>
            [Description("理解")]
            Understand = 1,
            /// <summary>
            /// 应用
            /// </summary>
            [Description("应用")]
            Application = 2
        }