IF(o.superior_dealer_id = 0,b.`name`,d.name) AS shipperName 如果条件成立则返回b.name,不成立则返回d.name 相关文章： 2022-12-23 2022-12-23 2022-12-23 2022-12-23 2022-12-23 2021-06-07 2022-12-23