thinkphp 响应对象

<?php
namespace app\admin\controller;
use think\Request;
class Index{
    public function index(Request $request){
        $res=[
            ‘code‘=>200,
            ‘result‘=>[
                ‘list‘=>[1,2,3,4,5]
            ]
        ];
        return var_dump($res);
    }
}
?>

<?php
namespace app\admin\controller;
use think\Request;
use think\Config;
class Index{
    public function index(Request $request){
        $res=[
            ‘code‘=>200,
            ‘result‘=>[
                ‘list‘=>[1,2,3,4,5]
            ]
        ];
        Config::set(‘default_return_type‘,‘json‘);
        return $res;
    }
}
?>

<?php
return [
‘default_return_type‘=>‘json‘
];
?>