dedecms 怎么设置栏目（dedecms如何实现tag标签伪静态的方法）

//tag伪静态
$tagid = (isset($tagid) && is_numeric($tagid)) ? $tagid : 0;
$PageNo = (isset($PageNo) && is_numeric($PageNo)) ? $PageNo : 1;
if ($tagid =="0") {
$dlist = new TagList($tag, 'tag.htm');
$dlist->Display();}
else{$row = $dsql->GetOne("SELECT tag FROM `tagindex` WHERE id ={$tagid}");
if (!is_array($row)) {ShowMsg('系统无此tag', '-1');
exit();}
$tag = FilterSearch($row['tag']);
$dlist = new TagList($tag, 'taglist.htm');
$dlist->Display();}
exit();

if($this->PageNo != 1)
{
$prepage.="<li><a href='".$purl."/$prepagenum/'>上一页</a></li>\r\n";
$indexpage="<li><a href='".$purl."/1/'>首页</a></li>\r\n";
}
else
{
$indexpage="<li><a>首页</a></li>\r\n";
}
if($this->PageNo!=$totalpage && $totalpage>1)
{
$nextpage.="<li><a href='".$purl."/$nextpagenum/'>下一页</a></li>\r
\n";
$endpage="<li><a href='".$purl."/$totalpage/'>末页</a></li>\r\n";
}
else
{
$endpage="<li><a>末页</a></li>\r\n";  }

RewriteEngine on
RewriteBase /
RewriteRule ^tags/([0-9]+)_([0-9]+).html$ tags.php?tagid=$1&PageNo=$2 [L]
RewriteRule ^tags/([0-9]+).html$ tags.php?tagid=$1 [L]