删除树形菜单下所有子节点

        #region 删除
        /// <summary>
        /// 删除
        /// </summary>
        /// <param name="inputViewModel">删除参数</param>
        /// <returns></returns>
        public ReturnedDataResult Delete(InputViewModel<int> inputViewModel)
        {
            if (inputViewModel == null)
            {
                return new ReturnedDataResult()
                {
                    Status = ReturnedStatus.Error,
                    Message = ResourceHelper.GetResourceValue("Common", "Common", "zh_cn", "DeleteFailByInputViewIsNull", "删除失败，失败原因：删除条件为空！")
                };
            }
            var moduleList = _sysModuleRepository.GetList();

            var idList = GetMenuIdList(inputViewModel.InputView, moduleList);
            idList.Add(inputViewModel.InputView);

            _sysModuleRepository.Delete(idList);
            return new ReturnedDataResult()
            {
                Data = new List<int> { inputViewModel.InputView },
                Status = ReturnedStatus.Success,
                Message = ResourceHelper.GetResourceValue("Common", "Common", inputViewModel.Language, "DeleteSuccess", "删除成功！")
            };
        }
        #endregion

        #region 获取删除菜单的ID集合
        /// <summary>
        /// 获取删除菜单的ID集合
        /// </summary>
        /// <param name="parentId"></param>
        /// <param name="modules"></param>
        /// <returns></returns>
        private static List<int> GetMenuIdList(int parentId, List<Sys_Module> modules)
        {
            List<int> idlist = new List<int>();
            var ids = modules.Where(s => s.ParentId == parentId).Select(s => s.Id).ToList();
            foreach (var id in ids)
            {
                idlist.Add(id);
                List<int> childList = GetMenuIdList(id, modules);
                idlist.AddRange(childList);
            }
            return idlist;
        }
        #endregion