select * from destoon_sell_25 A left join destoon_member B on A.username=B.username where status=3 AND catid IN (427,539,540,541,542,543,544,545,546,547,548,549,550,551,552,553,554,555,557,558,559)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 (427,539,540,541,542,543,544,545,546,547,548,549,550,551,552,553,554,555,557,558,559) LIMIT 0,1 电子模具_塑料模具_资讯_今塑网