dedecms分类信息怎么按联动类别筛选

require_once(DEDEROOT.'/data/enums/自定义联动类别字段名.php');
function lib_infolink($ctag,$refObj)
{
global $dsql,$nativeplace,$infotype,$自定义联动类别字段 名,$hasSetEnumJs,$cfg_cmspath,$cfg_mainsite;
global $em_nativeplaces,$em_infotypes,$em_自定义联动类别字段名s;  //看清楚，这里后面的个S
$fields = array('nativeplace'=>'','infotype'=>'','自定义联动类别字段名'=> '','typeid'=>$typeid, 'channelid'=>$channelid,'linkallplace'=>'','linkalltype'=> '','linkeall自定义联动类别字段名'=>'');
$fields['nativeplace'] = $fields['infotype'] = $fields['自定义联动类别字段名'] = '';

if(is_array($ctp->CTags))

$fields['linkalltype'] = "不限";
//下面添加一行
$fields['linkeall自定义联动类别字段名'] = "不限";
//自定义联动类别字段链接
if(emptyempty($自定义联动类别字段名))
{
foreach($em_自定义联动类别字段名s as $eid=>$em)
{
if($eid % 500 != 0) continue;
$fields['自定义联动类别字段名'] .= " {$em}
}
}