摘要： 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 阅读全文

摘要： category_id IN <foreach item="categoryId" index="index" collection="categoryIds" open="(" separator="," close=")"> #{categoryId} </foreach> categoryId 阅读全文