织梦模板dedeCMS列表页如何调用tag的教程

 $tsql = new DedeSql(false);         $tags = '';         $tsql->SetQuery("Select i.tag From dede_taglist t left join dede_tagindex i on i.id=t.tid where t.aid='$aid'");         $tsql->Execute('t');         while($row = $tsql->GetArray('t',MYSQL_ASSOC)){            $tags .= "<a href='/tags.php?/".urlencode($row['tag'])."/'>".$row['tag']."</a> ";         }         return $tags;     }