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{dede:php} $id=$refObj->Fields['id']; $sql=("SELECT * FROM sscm_arctype where id='$id'"); $db->SetQuery($sql); $db->Execute(); $row=$db->GetArray(); if($row[banner]!=''){ echo '';} else{ $sql2=("SELECT * FROM sscm_arctype where id='$row[reid]'"); $db->SetQuery($sql2); $db->Execute(); $banner1=$db->GetArray(); if($banner1[banner]!=''){ echo ''; }else{ $sql3=("SELECT * FROM sscm_arctype where id='$row[topid]'"); $db->SetQuery($sql3); $db->Execute(); $banner2=$db->GetArray(); echo ''; } }{/dede:php}