public int GetProductPropertyValueCount(ProductPropertyValueSearchCondition condition)
        {
            var query = _productpropertyvalueRepository.Table;

            try
            {
                if (condition.AddtimeBegin.HasValue)
                {
                    query = query.Where(q => q.Addtime >= condition.AddtimeBegin.Value);
                }
                if (condition.AddtimeEnd.HasValue)
                {
                    query = query.Where(q => q.Addtime < condition.AddtimeEnd.Value);
                }
                if (condition.UpdTimeBegin.HasValue)
                {
                    query = query.Where(q => q.UpdTime >= condition.UpdTimeBegin.Value);
                }
                if (condition.UpdTimeEnd.HasValue)
                {
                    query = query.Where(q => q.UpdTime < condition.UpdTimeEnd.Value);
                }
                if (condition.Ids != null && condition.Ids.Any())
                {
                    query = query.Where(q => condition.Ids.Contains(q.Id));
                }
                if (condition.Addusers != null && condition.Addusers.Any())
                {
                    query = query.Where(q => condition.Addusers.Contains(q.Adduser));
                }
                if (condition.UpdUsers != null && condition.UpdUsers.Any())
                {
                    query = query.Where(q => condition.UpdUsers.Contains(q.UpdUser));
                }
                return(query.Count());
            }
            catch (Exception e)
            {
                _log.Error(e, "数据库操作出错");
                return(-1);
            }
        }
        public IQueryable <ProductPropertyValueEntity> GetProductPropertyValuesByCondition(ProductPropertyValueSearchCondition condition)
        {
            var query = _productpropertyvalueRepository.Table;

            try
            {
                if (condition.AddtimeBegin.HasValue)
                {
                    query = query.Where(q => q.Addtime >= condition.AddtimeBegin.Value);
                }
                if (condition.AddtimeEnd.HasValue)
                {
                    query = query.Where(q => q.Addtime < condition.AddtimeEnd.Value);
                }
                if (condition.UpdTimeBegin.HasValue)
                {
                    query = query.Where(q => q.UpdTime >= condition.UpdTimeBegin.Value);
                }
                if (condition.UpdTimeEnd.HasValue)
                {
                    query = query.Where(q => q.UpdTime < condition.UpdTimeEnd.Value);
                }
                if (condition.Ids != null && condition.Ids.Any())
                {
                    query = query.Where(q => condition.Ids.Contains(q.Id));
                }
                if (condition.Addusers != null && condition.Addusers.Any())
                {
                    query = query.Where(q => condition.Addusers.Contains(q.Adduser));
                }
                if (condition.UpdUsers != null && condition.UpdUsers.Any())
                {
                    query = query.Where(q => condition.UpdUsers.Contains(q.UpdUser));
                }
                if (condition.OrderBy.HasValue)
                {
                    switch (condition.OrderBy.Value)
                    {
                    case EnumProductPropertyValueSearchOrderBy.OrderById:
                        query = condition.IsDescending?query.OrderByDescending(q => q.Id):query.OrderBy(q => q.Id);
                        break;
                    }
                }
                else
                {
                    query = query.OrderBy(q => q.Id);
                }

                if (condition.Page.HasValue && condition.PageCount.HasValue)
                {
                    query = query.Skip((condition.Page.Value - 1) * condition.PageCount.Value).Take(condition.PageCount.Value);
                }
                return(query);
            }
            catch (Exception e)
            {
                _log.Error(e, "数据库操作出错");
                return(null);
            }
        }