laravel 接收get传值Request

刚学laravel：href跳转页面，如何控制器接收传值：

<?phpnamespace App\Http\Controllers;use App\Http\Controllers\BaseController;use App\Lib\Api\BaseApi;use Illuminate\Http\Request;use function GuzzleHttp\json_encode;class  CombinationController extends BaseController{    public function combination(Request $request)    {        dd($name =$request['portfolioType'] );

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