/// <summary>
        /// 删除类别
        /// </summary>
        public static void DeleteCategory(int sysNo)
        {
            var currentCategory = CategoryDA.LoadCategory(sysNo);
            var categorys       = CategoryDA.GetCategoryList();

            CategoryDA.DeleteCategory(sysNo);

            //如果父节点下无子节点 则将父节点重置为叶子节点
            if (!string.IsNullOrEmpty(currentCategory.ParentCategoryCode))
            {
                var parentChildrens = categorys.Where(a => a.ParentCategoryCode == currentCategory.ParentCategoryCode && a.CommonStatus == CommonStatus.Actived);
                if (parentChildrens != null && parentChildrens.Count() == 1)
                {
                    CategoryDA.UpdateCategoryIsLeaf(currentCategory.ParentCategoryCode, CommonYesOrNo.Yes);
                }
            }
        }
 /// <summary>
 /// 获取Category list信息
 /// </summary>
 public static List <Category> GetCategoryList()
 {
     return(CategoryDA.GetCategoryList());
 }