select b.qj as '期间',a.sl as '加油数量升',a.sl2 as '加油数量KG',a.je as '加油金额',b.je
from ykxt_jiayou a right join ykxt_qj b
on a.qj = b.qj
where date(a.lrrq) <= date('2015-12-12')MySQL-右外链接
无论人生上到哪一层台阶，阶下有人在仰望你，阶上亦有人在俯视你，你抬头自卑，低头自得，唯有平视，才能看见真实的自己。