public function index()
{
$model = new Model('Comment');
$count = $model->count();
$page = new Page($count, 30);
$list = $model->order('commentId DESC')->limit($page->firstRow . ',' . $page->listRows)->select();
$this->assign('list', $list);
$this->assign('page', $page->show());
$this->display();
}
