insert into mall_goods_specification ( `goods_id`, `specification_id`, `value`, `pic_url` ) values ( #{goods_id}, #{specification_id}, #{value}, #{pic_url} ) update mall_goods_specification `goods_id` = #{goods_id}, `specification_id` = #{specification_id}, `value` = #{value}, `pic_url` = #{pic_url} where id = #{id} delete from mall_goods_specification where id = #{value} delete from mall_goods_specification where id in #{id}