织梦调用多个栏目typeid="1，2，3"不支持的解决方法

织梦arclist调用副栏目不显示的解决办法：
打开/include/taglib/arclist.lib.php，代码约位于295-296行,查找以下两行代码：
if($CrossID=='') $orwheres[] = ' arc.typeid IN
('.GetSonIds($typeid).')'; else $orwheres[] = ' arc.typeid IN
('.GetSonIds($typeid).','.$CrossID.')'; 　　将其替换成以下代码： $vicewheres =
""; $typeids = explode(",",GetSonIds($typeid)); $crossids =
explode(",",$CrossID); $typeidss = array_merge($typeids,$crossids);
$typeidss = array_unique($typeidss); foreach($typeidss as $tid){
$liketypeid2 = ",".$tid.","; $vicewheres.= " or
CONCAT(',',arc.typeid2,',') like '%$liketypeid2%' "; }
if($CrossID==''){ if($vicewheres!="") $orwheres[] = ' (arc.typeid
in ('.GetSonIds($typeid).') '.$vicewheres.') '; else $orwheres[] =
' arc.typeid in ('.GetSonIds($typeid).') '; }else{
if($vicewheres!="") $orwheres[] = ' (arc.typeid in
('.GetSonIds($typeid).','.$CrossID.') '.$vicewheres.') '; else
$orwheres[] = ' arc.typeid in ('.GetSonIds($typeid).','.$CrossID.')
'; } 这种办法可以解决typeid="2"的情况下不显示副栏目的问题，
如果typeid=“2,3,8”，有多个栏目需要调用副栏目就不行了 怎么解决这个问题，找到262行， $orwheres[] = "
arc.typeid IN ($typeid) "; 直接替换为： $vicewheres = ""; foreach($typeid
as $tid){ $liketypeid2 = ",".$tid.","; $vicewheres.= " or
CONCAT(',',arc.typeid2,',') like '%$liketypeid2%' "; }
if($vicewheres!="") $orwheres[] = " (arc.typeid in ($typeid)
$vicewheres) "; else $orwheres[] = " arc.typeid in ($typeid) ";
问题产生的原因，看下arclist.lib.php原始代码：（ typeid为主栏目id， typeid2为副栏目id）
找到246行： //指定了多个栏目时，不再获取子类的id if( preg_match('#,#', $typeid) )
//如果typeid字段匹配逗号， 就是说typeid调用多个栏目，例如：typeid=“2,3,8” {
//指定了getall属性或主页模板例外 if($getall==1 ||
empty($refObj->Fields['typeid'])) { $typeids = explode(',',
$typeid); foreach($typeids as $ttid) { $typeidss[] =
GetSonIds($ttid); } $typeidStr = join(',', $typeidss); $typeidss =
explode(',', $typeidStr); $typeidssok = array_unique($typeidss);
$typeid = join(',', $typeidssok); } $orwheres[] = " arc.typeid IN
($typeid)"; //导致typeid='2,3,8'情况下不能调用副栏目问题产生的地方 } else
//如果typeid不匹配逗号，就是调用一个栏目 例如 typeid="2" { //处理交叉栏目 $CrossID = '';
if($ctag->GetAtt('cross')=='1') { $arr =
$dsql->GetOne("SELECT
`id`,`topid`,`cross`,`crossid`,`ispart`,`typename` FROM
`dede_arctype` WHERE id='$typeid' "); if( $arr['cross']==0 || (
$arr['cross']==2 && trim($arr['crossid']=='') ) ) {
$orwheres[] = ' arc.typeid IN ('.GetSonIds($typeid).')'; } else {
$selquery = ''; if($arr['cross']==1) { $selquery = "SELECT id,topid
FROM `dede_arctype` WHERE typename LIKE '{$arr['typename']}' AND
id<>'{$typeid}' AND topid<>'{$typeid}' "; } else {
$arr['crossid'] = preg_replace('#[^0-9,]#', '',
trim($arr['crossid'])); if($arr['crossid']!='') $selquery = "SELECT
id,topid FROM `dede_arctype` WHERE id IN('{$arr['crossid']}') AND
id<>'{$typeid}' AND topid<>'{$typeid}' "; }
if($selquery!='') { $dsql->SetQuery($selquery);
$dsql->Execute(); while($arr = $dsql->GetArray()) { $CrossID
.= ($CrossID=='' ? $arr['id'] : ','.$arr['id']); } } } }
if($CrossID=='') $orwheres[] = ' arc.typeid IN
('.GetSonIds($typeid).')'; else $orwheres[] = ' arc.typeid IN
('.GetSonIds($typeid).','.$CrossID.')';
//导致typeid='2'情况下不能调用副栏目问题产生的地方 }

文章来源：牛人织梦