{loop $catalog $i $topclass}

$topclass['script']

{/loop}

分类：

{loop $catalog $i $topclass} {$topclass['name']} {if $topclass['selected']} {eval $subclasses = $topclass['subclass']} {/if} {/loop}

{if $subclasses}

{loop $subclasses $ii $subclass} {$subclass['name']} {/loop}

{/if}