model = new DoModel(); } // 点赞 public function likes() { if (! ! $id = request('id', 'int')) { $this->model->addLikes($id); json(1, '点赞成功'); } else { json(0, '点赞失败'); } } // 反对 public function oppose() { if (! ! $id = request('id', 'int')) { $this->model->addOppose($id); json(1, '反对成功'); } else { json(0, '反对失败'); } } }