tp6 get five options that might parameters

1 inherited BaseController

2 is introduced app \ Request embodiment using DI $ request-> param ()

3 helper function Input ()

4 using the request () -> param () method

5 Use think \ facade \ Request static method

<?php
namespace app\controller;
use app\BaseController;
use app\Request;
use think\facade\Request as ABC;
class Learn extends BaseController
{

    public function  index(Request $request)
    {
       $data =  $request->param();
        dump($data);
        dump(input('get.'));
        dump(ABC::param());
        dump(request()->param());
    }
}