private function getArticlesByFolderName($name = "")
 {
     $dao = D('Folder');
     $info = $dao->where(array('name' => $name))->find();
     $id = -1;
     if ($info) {
         $id = $info['id'];
     }
     if ($info) {
         if ($info['children'] == ',') {
             $folders = $id;
         } else {
             $folders = substr($info['children'], 1) . $id;
         }
     }
     $userid = $_SESSION['userInfo']['id'];
     $userType = $_SESSION['userInfo']['type'];
     if (empty($userid)) {
         $userid = "-1";
     }
     if ($userType > 0) {
         $count = $dao->table('tbl_article a JOIN tbl_article_folder f on f.article=a.id AND f.folder IN (' . $folders . ') JOIN tbl_article_group g ON g.article=a.id ')->where(array('a.status' => 3))->field('a.*')->distinct(true)->count();
         $page = new \Think\Page($count);
         $page->setUrl('folder?id=' . $id . '&p=' . urlencode('[PAGE]'));
         $articles = $dao->table('tbl_article a JOIN tbl_article_folder f on f.article=a.id AND f.folder IN (' . $folders . ') JOIN tbl_article_group g ON g.article=a.id ')->where(array('a.status' => 3))->field('a.*')->distinct(true)->order(array('a.publishtime' => 'desc'))->limit($page->firstRow, $page->listRows)->select();
     } else {
         $count = $dao->table('tbl_article a JOIN tbl_article_folder f on f.article=a.id AND f.folder IN (' . $folders . ') JOIN tbl_article_group g ON g.article=a.id JOIN tbl_user_group ug ON ug.group=g.group and ug.user='******'a.status' => 3))->field('a.*')->distinct(true)->count();
         $page = new \Think\Page($count);
         $page->setUrl('folder?id=' . $id . '&p=' . urlencode('[PAGE]'));
         $articles = $dao->table('tbl_article a JOIN tbl_article_folder f on f.article=a.id AND f.folder IN (' . $folders . ') JOIN tbl_article_group g ON g.article=a.id JOIN tbl_user_group ug ON ug.group=g.group and ug.user='******'a.status' => 3))->field('a.*')->distinct(true)->order(array('a.publishtime' => 'desc'))->limit($page->firstRow, $page->listRows)->select();
     }
     return $articles;
 }