select * from destoon_sell_25 A left join destoon_member B on A.username=B.username where status=3 AND catid IN (421,44636,44637,44638,44639,44640,44641,44642,44643,44644,44645,44646,44647,44648,44649,45075)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 (421,44636,44637,44638,44639,44640,44641,44642,44643,44644,44645,44646,44647,44648,44649,45075) LIMIT 0,1 通用废旧塑料_再生料_资讯_今塑网