@if (Session::get('user') == NULL)

{!!Redirect::to('login')!!}

@endif

or

@if (Session::get('user') == NULL)

<script>

window.location = 'login';

</script>

@endif

 

或者

@unless (Auth::check())

    <script>

    window.location = 'login';

    </script>

@endunless