select * from destoon_sell_25 A left join destoon_member B on A.username=B.username where status=3 AND catid IN (440,739,740,741,742,743,744,745,746,747)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 (440,739,740,741,742,743,744,745,746,747) LIMIT 0,1 儿童模具_塑料模具_资讯_今塑网