How to get N-level list link tree menu of any column in DedeCms

How does DedeCms obtain the N-level list link tree menu of any column?

DedeCms obtains the N-level list link tree menu of any column. The editor reminds that the following modification method is applicable to the default table prefix of DedeCMS. If you modified it during installation, please pay attention to the modification.

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Add the following code at the bottom of the \include\channelunit.func.php file:

/*树形栏目补充，获取二级，san级，四级栏目列表/ 
  
function getProductTree($typeid)
  
{
  
$linkList = "";
  
$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);
  
   $linkList .= "\n<div class=\"firsttype\"><a href=\"$typelink\"><b>".$row->typename."</b></a></div>\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);
  
$dsql->SetQuery("Select ID,typedir,typename,isdefault From dede_arctype where reID=&#39;$parentid&#39; 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);
  
   $linkList .= "<li class=\"secondtype\"><a href=\"$typelink\">".$row->typename."</a></li>\n";
  
   $linkList .= getSonClass2($row->ID);
  
}
  
return $linkList;
  
}
  
function getSonClass2($parentid)
  
{
  
$linkList = "";
  
$dsql = new DedeSql(false);
  
$dsql->SetQuery("Select ID,typedir,typename,isdefault From dede_arctype where reID=&#39;$parentid&#39; 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);
  
   $linkList .= "<li class=\"thirdtype\"><a href=\"$typelink\">".$row->typename."</a></li>\n";
  
   $linkList .= getSonClass3($row->ID);
  
}
  
return $linkList;
  
}
  
function getSonClass3($parentid)
  
{
  
$linkList = "";
  
$dsql = new DedeSql(false);
  
$dsql->SetQuery("Select ID,typedir,typename,isdefault From dede_arctype where reID=&#39;$parentid&#39; 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);
  
   $linkList .= "<li class=\"fourthtype\"><a href=\"$typelink\">".$row->typename."</a></li>\n";
  
}
  
return $linkList;
  
}
/*树形栏目补充*/

2. In the template Just use

{dede:channel function='getProductTree(2)'}{/dede:channel}　

to call it. Here 2 in getProductTree(2) is the column ID of the product display. If yours is different, please modify it accordingly.

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