列表页调用文章关键词标签的代码

{pc:content action="lists" catid="$catid" num="10" order="id DESC" page="$page"}
{loop $data $r}    
    {php $keywords = explode(' ',$r[keywords]);}    
    <b>标签:</b>    
    {loop $keywords $keyword}    
    <a style="color:#3300FF; border:1px solid #3300FF; padding:2px;" href="{APP_PATH}index.php?m=content&c=tag&catid={$catid}&tag={urlencode($keyword)}" class="blue"> {$keyword}</a>    
    {/loop}    
{/loop}