用灵动标签调用最新最多评论文章：
[e:loop={'select * from [!db.pre!]ecms_news where checked=1 order by plnum desc,id desc limit 8',10,24,0}]<li> <small><a href="<?=$bqsr[titleurl]?>" class="title"><?=sub($bqr[title],0,30,false)?></a></small><p><?=$bqr[smalltext]?></p></li>[/e:loop]