ios_sign/app/Http/Middleware/AuthCheck.php

<?php
/**
 * 权限检查
 *
 * @author      fzs
 * @Time: 2017/07/14 15:57
 * @version     1.0 版本号
 */
namespace App\Http\Middleware;
use Illuminate\Http\JsonResponse;
use Closure;
use Illuminate\Contracts\Auth\Guard;

class AuthCheck
{
    /**
     * The Guard implementation.
     *
     * @var Guard
     */
    protected $auth;

    /**
     * Create a new middleware instance.
     *
     * @param  Guard  $auth
     * @return void
     */
    public function __construct(Guard $auth)
    {
        $this->auth = $auth;
    }

    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
        if($request->path() == 'logout') {
            $this->auth->logout();
            return redirect('/');
        }
        if ($this->auth->guest()) {
            if ($request->ajax()) {
                return new JsonResponse(['msg'=>trans('fzs.common.no_permission'),'status'=>0], 200);
            } else {
                return redirect()->guest('/login');
            }
        }

        return $next($request);
    }
}