織夢多個欄目arclist調用副欄目不顯示的解決辦法


織夢arclist調用副欄目不顯示,網上關於這個問題的解決辦法有很多,其中一種是:

打開/include/taglib/arclist.lib.php,代碼約位於295-296行(我目前用的DedeCMS最新版 5.7 SP1),查找以下兩行代碼:
if($CrossID=='') $orwheres[] = ' arc.typeid IN ('.GetSonIds($typeid).')';
else $orwheres[] = ' arc.typeid IN ('.GetSonIds($typeid).','.$CrossID.')';
  將其替換成以下代碼:
if($CrossID=='') $orwheres[] = ' (arc.typeid IN ('.GetSonIds($typeid).') OR arc.typeid2 IN ('.GetSonIds($typeid).')) ';
else $orwheres[] = ' (arc.typeid IN ('.GetSonIds($typeid).','.$CrossID.') OR arc.typeid2 IN ('.GetSonIds($typeid).','.$CrossID.')) ';

這種辦法可以解決typeid="2"的情況下, 如果typeid=“2,3,8”,有多個欄目需要調用副欄目就不行了

怎么解決這個問題,找到262行, $orwheres[] = " arc.typeid IN ($typeid) ";

直接替換為: $orwheres[] = " arc.typeid IN ($typeid) or arc.typeid2 IN ($typeid)";


問題產生的原因,看下arclist.lib.php原始代碼:( typeid為主欄目id, typeid2為副欄目id)

    找到246行:
 
      //指定了多個欄目時,不再獲取子類的id
      if( preg_match('#,#', $typeid) ) //如果typeid字段匹配逗號, 就是說typeid調用多個欄目,例如:typeid=“2,3,8”
             {
                //指定了getall屬性或主頁模板例外
                if($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)"; //導致typeid='2,3,8'情況下不能調用副欄目問題產生的地方
            }
            else //如果typeid不匹配逗號,就是調用一個欄目 例如 typeid="2"
            {
               //處理交叉欄目
                $CrossID = '';
                if($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.')'; //導致typeid='2'情況下不能調用副欄目問題產生的地方
            }

    原創文章,轉載請注明出處:http://www.niurenzm.com/jiaocheng/201506031343.html


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