以下帝國CMS函數可以在任意位置調用N級導航菜單，自己只需要更改css即可。

復制以下函數放到 e/class/userfun.php 文件中

function dp_classmenu($bclassid,$i=0,$m=0){global $empire,$dbtbpre,$public_r;$bclassid=(int)$bclassid;$i=(int)$i;if(!$i){$i=1;}$d=$i;if($d>2){$d=2;}$st='';if($d>1&&$m==1){$st=' start';}$returnstr='';$i+=1;$m=0;$sql=$empire->query("select classid,classname,bclassid,islast,classpath from {$dbtbpre}enewsclass where bclassid='$bclassid' and wburl='' order by myorder,classid");while($r=$empire->fetch($sql)){$returnstr.='
';$classurl=$public_r['newsurl'].$r['classpath'].'/';$m+=1;if($r['islast']){$qstr='&C';$lian='';$hstr='';}else{$qstr='&D';$lian='class="lian"';$hstr='-';}$returnstr.=$qstr.''.$exp.$r['classname'].''.$hstr;if(empty($r['islast'])){$moreclassstr=dp_classmenu($r['classid'],$i,$m);$returnstr.='
'.$moreclassstr.'
';}$returnstr.="
";}return $returnstr;}

<?=dp_classmenu(0)?>