$vieworder += 2;
            //显示在自定义导航栏中
            $sql = "INSERT INTO " . $ecs->table('nav') .
                " (name,ctype,cid,ifshow,vieworder,opennew,url,type)".
                " VALUES('" . $cat['cat_name'] . "', 'c', '".$db->insert_id()."','1','$vieworder','0', '" . build_uri('category', array('cid'=> $cat_id), $cat['cat_name']) . "','middle')";
            $db->query($sql);
        }
        insert_cat_recommend($cat['cat_recommend'], $cat_id);

        admin_log($_POST['cat_name'], 'add', 'category');   // 记录管理员操作
        clear_cache_files();    // 清除缓存

        /*添加链接*/
        $link[0]['text'] = $_LANG['continue_add'];
        $link[0]['href'] = 'category.php?act=add';

        $link[1]['text'] = $_LANG['back_list'];
        $link[1]['href'] = 'category.php?act=list';

        sys_msg($_LANG['catadd_succed'], 0, $link);
    }
}

 

替换为

/*------------------------------------------------------ */
//-- 商品分类添加时的处理
/*------------------------------------------------------ */
if ($_REQUEST['act'] == 'insert')
{
    /* 权限检查 */
    admin_priv('cat_manage');
 
 /* 初始化变量 */
 $cat['cat_id']       = !empty($_POST['cat_id'])       ? intval($_POST['cat_id'])     : 0;
 $cat['parent_id']    = !empty($_POST['parent_id'])    ? intval($_POST['parent_id'])  : 0;
 $cat['sort_order']   = !empty($_POST['sort_order'])   ? intval($_POST['sort_order']) : 0;
 $cat['keywords']     = !empty($_POST['keywords'])     ? trim($_POST['keywords'])     : '';
 $cat['cat_desc']     = !empty($_POST['cat_desc'])     ? $_POST['cat_desc']           : '';
 $cat['measure_unit'] = !empty($_POST['measure_unit']) ? trim($_POST['measure_unit']) : '';
 $cat['show_in_nav']  = !empty($_POST['show_in_nav'])  ? intval($_POST['show_in_nav']): 0;
 $cat['style']        = !empty($_POST['style'])        ? trim($_POST['style'])        : '';
 $cat['is_show']      = !empty($_POST['is_show'])      ? intval($_POST['is_show'])    : 0;
 $cat['grade']        = !empty($_POST['grade'])        ? intval($_POST['grade'])      : 0;
 $cat['cat_recommend']  = !empty($_POST['cat_recommend'])  ? $_POST['cat_recommend'] : array();$cat['filter_attr']  = !empty($_POST['filter_attr'])  ? implode(',', array_unique(array_diff($_POST['filter_attr'],array(0)))) : 0;
 
 $cat['cat_name']     = !empty($_POST['cat_name'])     ? trim($_POST['cat_name'])     : '';
 $arrCatName = explode("," ,$cat['cat_name']);
 
 foreach($arrCatName as $arrCatNameValue)
 {
  $cat['cat_name'] = $arrCatNameValue;

  if (cat_exists($cat['cat_name'], $cat['parent_id']))
  {
   /* 同级别下不能有重复的分类名称 */
     $link[] = array('text' => $_LANG['go_back'], 'href' => 'javascript:history.back(-1)');
     sys_msg($_LANG['catname_exist'], 0, $link);
  }

  if($cat['grade'] > 10 || $cat['grade'] < 0)
  {
   /* 价格区间数超过范围 */
     $link[] = array('text' => $_LANG['go_back'], 'href' => 'javascript:history.back(-1)');
     sys_msg($_LANG['grade_error'], 0, $link);