laravel_sketch/app/Http/Controllers/Admin/AuthController.php

<?php

namespace App\Http\Controllers\Admin;

use App\Base\BaseController;
use Illuminate\Http\Request;

class AuthController extends BaseController
{
    public function login(Request $request)
    {
//        try {
            $request->validate([
                "username" => "required",
                "password" => "required"
            ]);
//        } catch (\Exception $e) {
//        }

        return $this->ok();
    }
}