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