查询中product和product_img是一对多的关系(数据库是MySQL) select p.id, p.product_cost_price, p.product_trade_price, p.product_sale_price, p.collect_num, p2.collect_status, p2.ID as collect_id, p3.name, GROUP_CONCAT(p1.img_path SEPARATOR '|') as imgPath from dn_product as p left join dn_product_img as p1 on p.id = p1.product_id left join dn_product_collect as p2 on p.id = p2.product_id left join dn_person as p3 on p3.ID = p2.person_id group by p.ID limit 10