访问自定义规则类中的另一个请求输入- Laravel

namespace App\Rules;

use Illuminate\Contracts\Validation\Rule;

class StartBeforeEnd implements Rule
{
    public function passes($attribute, $value)
    {
        return request()->input('start_date') < request()->input('end_date');
    }

    public function message()
    {
        return 'The start date must be before the end date.';
    }
}

namespace App\Http\Controllers;

use App\Rules\StartBeforeEnd;
use Illuminate\Http\Request;

class MyController extends Controller
{
    public function store(Request $request)
    {
        $request->validate([
            'start_date' => ['required', new StartBeforeEnd],
            'end_date' => ['required'],
        ]);

        // 处理验证通过后的逻辑
    }
}

namespace App\Rules;

use Illuminate\Contracts\Validation\Rule;
use Illuminate\Http\Request;

class StartBeforeEnd implements Rule
{
    protected $request;

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

    public function passes($attribute, $value)
    {
        return $this->request->input('start_date') < $this->request->input('end_date');
    }

    public function message()
    {
        return 'The start date must be before the end date.';
    }
}

$request->validate([
    'start_date' => ['required', new StartBeforeEnd($request)],
    'end_date' => ['required'],
]);