private function sus_opp()
{
$comment = new CommentModel();
$comment->cid = $_GET['cid'];
//支持
if ($_GET['action'] == 'sustain') {
$comment->sustain() ? Tool::alertLocation('谢谢您的评价', 'feedback.php?cid=' . $comment->cid) : Tool::alertBack('对不起，请重试');
}
//反对
if ($_GET['action'] == 'oppose') {
$comment->oppose() ? Tool::alertLocation('谢谢您的评价', 'feedback.php?cid=' . $comment->cid) : Tool::alertBack('对不起，请重试');
}
}
