select * from destoon_sell_25 A left join destoon_member B on A.username=B.username where status=3 AND catid IN (439,731,732,733,734,735,736,737,738)SELECT count(*) as cnt from destoon_sell_25 A left join destoon_member B on A.username=B.username where status=3 AND catid IN (439,731,732,733,734,735,736,737,738) LIMIT 0,1 农具模具_塑料模具_资讯_千塑系统