//新增
	public function add(){
		if($this->request->isPost()){
			$flag = $this->model->add($this->request);
			if($flag){
				$this->success('添加成功', url('getList'));
			}else{
				$this->error('添加失败');
			}
		}else{
			return $this->fetch();
		}
	}