问反射例外保护合同Laravel 5.0

EN

<?php namespace App\Http\Middleware; 
use Closure;
use Illuminate\Contracts\Auth\Guard;

class LoginMiddleWare {
/**
 * Gaurd Implementation
 * @var Gaurd
 */

protected $auth;

/**
 * Create a new filter instance.
 *
 * @param  Guard  $auth
 * @return void
 */

public function __construct(Gaurd $auth)
{
    $this->auth = $auth;
}

/**
 * Handle an incoming request.
 *
 * @param  \Illuminate\Http\Request  $request
 * @param  \Closure  $next
 * @return mixed
 */
public function handle($request, Closure $next)
{
    if(!$this->auth->check())
    {
        return redirect()->route('login');
    }
    return $next($request);
}

}