/**
     * @NodeAnnotation(title="列表")
     */
    public function index()
    {
        if ($this->request->isAjax()) {
            if (input('selectFields')) {
                return $this->selectList();
            }
            list($page, $limit, $where) = $this->buildTableParams();
            $count = $this->model{{relationIndexMethod}}->where($where)->count();
            $list = $this->model{{relationIndexMethod}}->where($where)->page($page, $limit)->order($this->sort)->select()->toArray();
            $data = [
                'code'  => 0,
                'msg'   => '',
                'count' => $count,
                'data'  => $list,
            ];
            return json($data);
        }
        return $this->fetch();
    }