laravel 控制器构造方法注入request对象

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

use App\Http\Requests;

class IndexController extends Controller
{
    protected $request;

    public function __construct(Request $request){
        $this->request = $request;
    }

    public function index(){
        $this->request->session()->put(‘name‘, ‘Tiac‘);
        return view(‘Index/index‘);
    }

    public function test(){
        return response($this->request->session()->get(‘name‘));
    }
}