php/app/controller/api/Test.php

<?php

namespace app\controller\api;
use app\common\repositories\user\UserRepository;
use app\traits\GzcApiRequest;

class Test
{
    public function test()
    {
        $field = request()->param('field');
        /** @var UserRepository $userRepository */
        $userRepository = app()->make(UserRepository::class);
        $list = $userRepository->getUserForTree($field);
        // var_dump(json_encode($list));
        return app('json')->success($list);
    }
}