/// <summary>
 /// 检测是否包含声明
 /// </summary>
 /// <typeparam name="T"></typeparam>
 /// <param name="helper"></param>
 /// <param name="value"></param>
 /// <returns></returns>
 public static bool ContainsDescriptionItem <T>(this DescriptionItemHelper helper, string value)
 {
     return(helper.ContainsDescriptionItem(typeof(T), value));
 }
        /// <summary>
        /// 获取某个类型的所有声明信息
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <returns></returns>
        public static IList <DescriptionItemValue> GetDescriptionItems <T>(this DescriptionItemHelper helper)
        {
            var classType = typeof(T);

            return(helper.GetDescriptionItems(classType));
        }