如何显示Flash消息Laravel 5.7

Question

I want a show a flash message in my login page user register and
redirect back with success message to login page how to show flash message in a login page

this is the function RegisterController.php

public function register(Request $request)
{
    $this->validator($request->all())->validate();

    event(new Registered($user = $this->create($request->all())));

    return redirect($this->redirectPath())->withMessage('message', 'my msg');        

}

login.blade.php

 @if (session('message'))
  <div class="alert alert-success" role="alert">
   {{ session('message') }}
    </div>
@endif

Answer 1

When you use withMessage('message', 'my msg') you already gave the key to your message. So either use just withMessage('my msg') or ->with('message', 'my msg').

And noticing the other answers using the flash separately, but with already uses flash session.