用如下方法可以实现了！

[e:loop={'news',10,18,0,'newstime>='.to_time('2010-11-11 00:00:01').' and newstime<='.to_time('2010-11-11 23:59:59')}]
<a href=<?=$bqsr[titleurl]?> target=_blank><?=$bqr[title]?></a><br>
[/e:loop]