帝国cms的头部样式区分和调用

用帝国cms的时候，你会用到区分导航的样式，样式的区分基本是靠class来区分，灵动标签调用如下：

 <ul class="headerNav">
            <?php $class="";?>
            [e:loop={"select classid,classname,classpath from [!db.pre!]enewsclass where bclassid=0 and showclass=0 order by myorder,classid asc",0,24,0}]
            <?
            if($GLOBALS[navclassid]==$bqr[classid])
            $class="cur";
            {
            ?>
            <?php
            }
            ?>
            [/e:loop]

            <li><a href="/"  class="<?php echo $class?'':'cur'?>">首页</a></li>
            [e:loop={"select classid,classname,classpath from [!db.pre!]enewsclass where bclassid=0 and showclass=0 order by myorder,classid asc",0,24,0}]
            <?
            $class="";
            if($GLOBALS[navclassid]==$bqr[classid])
            $class="cur";
            {
            ?>
            <li><a href="<?= $public_r[newsurl] ?><?= $bqr[classpath] ?>" class="<?= $class ?>"><?= $bqr[classname] ?></a></li>		 		
            <?php
            }
            ?>
            [/e:loop]
</ul>