public function reply($id)
 {
     try {
         $article = new Article($id);
         $comment = new ArticleComment();
         $comment->setArticleId($article->getId());
         $comment->setProfileId(UserHelper::getProfileId());
         $comment->setContent(trim(fRequest::get('article-comment')));
         if (strlen($comment->getContent()) < 1) {
             throw new fValidationException('回复长度不能少于1个字符');
         }
         if (strlen($comment->getContent()) > 240) {
             throw new fValidationException('回复长度不能超过240个字符');
         }
         $comment->store();
         fMessaging::create('success', 'create article comment', '成功发表评论!');
         fURL::redirect(SITE_BASE . '/article/' . $id . '#comment-' . $comment->getId());
     } catch (fException $e) {
         fMessaging::create('failure', 'create article comment', $e->getMessage());
         fURL::redirect(SITE_BASE . '/article/' . $id . '#comment-form');
     }
 }