select count(*) from [wedonet_book] where cid=22 and isdel=0 and ispass=1 and classid in (951) select top 20 id,classid,preimg,etime,title,price from [wedonet_book] where cid=22 and isdel=0 and ispass=1 and classid in (951) order by istop desc,cls asc,id desc select top 10 id,title from [wedonet_keyword] order by mycount desc