方法一：

        public static Dictionary<string, string> GetEnumDescription<T>()
        {
            Dictionary<string, string> dic = new Dictionary<string, string>();

            FieldInfo[] fields = typeof(T).GetFields();

            foreach (FieldInfo field in fields)
            {

                if (field.FieldType.IsEnum)
                {
                    object[] attr = field.GetCustomAttributes(typeof(DescriptionAttribute), false);
                    string description = attr.Length == 0 ? field.Name : ((DescriptionAttribute)attr[0]).Description;
                    dic.Add(field.Name, description);
                }
            }

            return dic;
        }

方法二：

/// <summary>        
        /// 获取对应的枚举描述        
        /// </summary>        
        public static List<KeyValuePair<string, string>> GetEnumDescriptionList<T>()
        {
            List<KeyValuePair<string, string>> result = new List<KeyValuePair<string, string>>();

            FieldInfo[] fields = typeof(T).GetFields();

            foreach (FieldInfo field in fields)
            {
                if (field.FieldType.IsEnum)
                {

                    object[] attr = field.GetCustomAttributes(typeof(DescriptionAttribute), false);

                    string description = attr.Length == 0 ? field.Name : ((DescriptionAttribute)attr[0]).Description;

                    result.Add(new KeyValuePair<string, string>(field.Name, description));

                }

            }
            return result;
        }

直接调用