SQL: select a.id,a.classid,a.title,a.titlepic,a.username,a.userid,a.applynum,a.onclick,a.titleurl,b.id,b.classid,count(b.id) fromphome_ecms_news as a left join phone_enewsfava as b on a.id=b.id and a.classid=b.classid where a.classid=1 anda.ispic=1 group by a.id order by count(b.id) DESC limit 5 其中的信息表、栏目id等条件可以根据自己的需求来调整！
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