帝国cms选取两个表的集合实现按某字段排序

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<ul>[e:loop={'select title,titleurl,onclick,titlepic from `[!db.pre!]ecms_test` Union All select title,titleurl,onclick,titlepic from `[!db.pre!]ecms_gamepic` order by onclick desc limit 6',6,24,1}]
<li class="iHover">
<span class="pic"><a href="<?=$bqsr[titleurl]?>" target="_blank" title="<?=$bqr[title]?>"><img style="max-width:120px;max-height:86px;" src="<?=$bqr[titlepic]?>" class="_ImagesReSize" alt="<?=$bqr[title]?>" /></a></span>
<span class="title"><a href="<?=$bqsr[titleurl]?>" target="_blank" title="<?=$bqr[title]?>"><?=esub($bqr[title],12)?></a></span>
</li>[/e:loop]
</ul>
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