public function Index($rows)
 {
     $xml = new SimpleXMLExtended('<?xml version="1.0" encoding="GBK"?><DOCUMENT/>');
     foreach ($rows as $keys => $values) {
         foreach ($values as $key => $value) {
             $i = -8;
             $num_item = $xml->addchild($key);
             $num_key = $num_item->addchild('key');
             $num_display = $num_item->addchild('display');
             $n = 1;
             foreach ($value as $k => $val) {
                 $n++;
                 if ($n < 3) {
                     $num_key->addCData($val);
                 } else {
                     $i++;
                     if ($i < 14) {
                         $num_display->{$k} = NULL;
                         $num_display->{$k}->addCData($val);
                         continue;
                     } elseif ($i == 14) {
                         $num_moremore = $num_display->addchild('moremore');
                         $num_moremore->{$k} = NULL;
                         $num_moremore->{$k}->addCData($val);
                     }
                     $num_moremore->{$k} = NULL;
                     $num_moremore->{$k}->addCData($val);
                 }
             }
         }
     }
     echo $xml->asXml();
 }