select * from destoon_sell_25 A left join destoon_member B on A.username=B.username where status=3 AND catid IN (44898,44899,44900,44901,44902,44903,44904,44905,44906,44907,44908)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 (44898,44899,44900,44901,44902,44903,44904,44905,44906,44907,44908) LIMIT 0,1 废塑料_再生料_资讯_今塑网