Laravel 父类依赖注入且子类继承

<?php
namespace App\Http\Controllers\Api;
use App\Http\Controllers\Controller;
use Illuminate\Foundation\Application;
use Illuminate\Http\Request;
use App\Repositories\UsersRepository;
class BaseController extends Controller
{
    //定义基类属性 可继承
    protected $usersRepository;
    //用户Repository
    protected $request;
    //请求数据
    public function __construct(Application $application, Request $request = null, UsersRepository $usersRepository = null)
    {
        //==============依赖注入处理开始====================
        static $dependencies;
        // Get parameters
        if ($dependencies === null) {
            $reflector = new \ReflectionClass(CLASS);
            $constructor = $reflector->getConstructor();
            $dependencies = $constructor->getParameters();
        }
        foreach ($dependencies as $dependency) {
            // Process only omitted optional parameters
            if (${$dependency->name} === null) {
                // Assign variable
                ${$dependency->name} = $application->make($dependency->getClass()->name);
            }
        }
        //依赖注入赋值
        $this->request = $request;
        $this->usersRepository = $usersRepository;
        //==============依赖注入处理结束====================
    }
}

<?php
namespace App\Http\Controllers\Api\Admin;
use App\Http\Controllers\Api\BaseController;
use Illuminate\Foundation\Application;
class CommonController extends BaseController
{
    protected $_user_info;
    public function __construct(Application $application)
    {
        parent::__construct($application);
    }
}

<?php
namespace App\Http\Controllers\Api\Admin;
use Illuminate\Foundation\Application;
class UserController extends CommonController
{
    public function __construct(Application $application)
    {
        parent::__construct($application);
    }
    /**
     * 1.1 获取用户信息
     * @author caofei 2019.11.4
     * @return Response
     */
    public function getUserInfo($user_id)
    {
        $userInfo = $this->usersRepository->find($user_id);
        return $userInfo;
    }
}