$dsql = new DedeSql(false);
$dsql->SetQuery("select ID,typedir,typename,isdefault from dede_arctype where reID = '$typeid' order by sortrank");
$dsql->Execute();
while($row=$dsql->GetObject())
{
$typelink = GetTypeUrl($row->id,MfTypedir($row->typedir),$row->isdefault,$row->defaultname,$row->
ispart,$row->namerule2,$row->moresite,$row->siteurl,$row->sitepath);
$linkList .= "\n\n\n";
$linkList .= getSonClass($row->ID);
}
$dsql->Close();
return $linkList;
}
//获得小类栏目链接
function getSonClass($parentid)
{
$linkList = "";
$dsql = new DedeSql(false);
$dsql->SetQuery("Select ID,typedir,typename,isdefault From dede_arctype where reID='$parentid' order by sortrank");
$dsql->Execute($parentid);
while($row=$dsql->GetObject($parentid))
{
$typelink = GetTypeUrl($row->id,MfTypedir($row->typedir),$row->isdefault,$row->
defaultname,$row->ispart,$row->namerule2,$row->moresite,$row->siteurl,$row->sitepath);
$linkList .= "

".$row->typename."

\n";
$linkList .= getSonClass2($row->ID);
}
return $linkList;
}
function getSonClass2($parentid)
{
$linkList = "";
$dsql = new DedeSql(false);
$dsql->SetQuery("Select ID,typedir,typename,isdefault From dede_arctype where reID='$parentid' order by sortrank");
$dsql->Execute($parentid);
while($row=$dsql->GetObject($parentid))
{$typelink = GetTypeUrl($row->id,MfTypedir($row->typedir),$row->isdefault,$row->defaultname,$row->ispart,$row->namerule2,$row->moresite,$row->siteurl,$row->sitepath);
$linkList .= "

".$row->typename."

\n";
$linkList .= getSonClass3($row->ID);
}
return $linkList;
}
function getSonClass3($parentid)
{
$linkList = "";
$dsql = new DedeSql(false);
$dsql->SetQuery("Select ID,typedir,typename,isdefault From dede_arctype where reID='$parentid' order by sortrank");
$dsql->Execute($parentid);
while($row=$dsql->GetObject($parentid))
{
$typelink = GetTypeUrl($row->id,MfTypedir($row->typedir),$row->isdefault,$row->defaultname,$row->ispart,$row->namerule2,$row->moresite,$row->siteurl,$row->sitepath);
$linkList .= "

".$row->typename."

\n";
}
return $linkList;
}
/*树形栏目补充*/
----------------------------------------------------------------------------
2、在模板里用
{dede:channel function='getProductTree(2)'}{/dede:channel}　
调用即可。这里getProductTree(2)中的 2 是产品展示的栏目ID。如果你的是其他的，请作相应修改。