public function getComment()
 {
     $input = I('post.');
     $comment = new CommentModel();
     $data = $comment->getComment(['date_id' => $input['date_id'], 'page' => $input['page']]);
     $this->ajaxReturn(['status' => 0, 'info' => '成功', 'data' => $data]);
 }
 public function __construct()
 {
     parent::__construct();
     $this->comments = new MapOf(function ($data) {
         return new CommentModel();
     });
     $this->score = 0;
     $this->tags = new ArrayOf();
     $this->isToBeExported = false;
 }