public IActionResult Create(PromotionalVideoViewModel model)
        {
            var response = ResponseModelFactory.CreateInstance;

            using (_dbContext)
            {
                if (_dbContext.PromotionalVideo.Count(x => x.Title == model.Title) > 0)
                {
                    response.SetFailed("标题已存在");
                    return Ok(response);
                }

                var entity = _mapper.Map<PromotionalVideoViewModel, PromotionalVideo>(model);
                entity.PromotionalVideoUuid = Guid.NewGuid();
                entity.IsDeleted = 0;
                entity.AddTime = DateTime.Now;
                entity.AddPeople = AuthContextService.CurrentUser.DisplayName;
                _dbContext.PromotionalVideo.Add(entity);
                int res = _dbContext.SaveChanges();
                if (res > 0)
                {
                    ToLog.AddLog("添加", "成功:添加:宣传视频列表数据", _dbContext);
                }
                response.SetSuccess();
                return Ok(response);
            }
        }
        public IActionResult Edit(PromotionalVideoViewModel model)
        {
            var response = ResponseModelFactory.CreateInstance;

            using (_dbContext)
            {
                var entity = _dbContext.PromotionalVideo.FirstOrDefault(x => x.PromotionalVideoUuid == model.PromotionalVideoUuid);
                if (entity == null)
                {
                    response.SetFailed("不存在");
                    return Ok(response);
                }
                if (_dbContext.PromotionalVideo.Count(x => x.Title == model.Title && x.PromotionalVideoUuid != model.PromotionalVideoUuid) > 0)
                {
                    response.SetFailed("标题已存在");
                    return Ok(response);
                }
                entity.Title = model.Title;
                entity.Cover = model.Cover;
                entity.ReleaseTime = model.ReleaseTime;
                entity.ReleaseState = model.ReleaseState;
                entity.Video = model.Video;
                entity.IsRecommend = model.IsRecommend;
                int res = _dbContext.SaveChanges();
                if (res > 0)
                {
                    ToLog.AddLog("编辑", "成功:编辑:宣传视频列表数据", _dbContext);
                }
                response = ResponseModelFactory.CreateInstance;
                return Ok(response);
            }
        }