itemid,ID, typeid,类别ID, skuid,SKU, level,级别, title,商品名称, style,颜色, brand,品牌, price,价格, cost,成本价, amount,库存, unit,单位, location,仓储货位, thumb,商品图片, n1,参数名1, n2,参数名2, n3,参数名3, v1,参数值1, v2,参数值2, v3,参数值3, username,会员名, addtime,添加时间, editor,编辑, edittime,更新时间, ip,IP, note,备注,