laravel - 无法在控制器构造函数中获取会话 [英] laravel - Can't get session in controller constructor

问题描述

在新的 Laravel 中，我无法在构造函数中获取会话.为什么?

In new laravel I can't get session in constructor. Why?

public function __construct()
{
    dd(Session::all()); //this is empty array
}

然后在下面

public function index()
{
    dd(Session::all()); //here works
}

在旧的 Laravel 中，我记得没有这个问题.有什么变化吗?

In old laravel i remember there was not this problem. something changed?

推荐答案

在 Laravel 5.3 中你不能默认这样做.但是，当您编辑 Kernel.php 并将 protected $middleware = []; 更改为以下内容时，它将起作用.

You can't do it by default with Laravel 5.3. But when you edit you Kernel.php and change protected $middleware = []; to the following it wil work.

protected $middleware = [
    IlluminateFoundationHttpMiddlewareCheckForMaintenanceMode::class,
    IlluminateSessionMiddlewareStartSession::class,
    IlluminateViewMiddlewareShareErrorsFromSession::class,
];

protected $middlewareGroups = [
    'web' => [
        AppHttpMiddlewareEncryptCookies::class,
        IlluminateCookieMiddlewareAddQueuedCookiesToResponse::class,

        AppHttpMiddlewareVerifyCsrfToken::class,
        IlluminateRoutingMiddlewareSubstituteBindings::class,
    ],
    'api' => [
        'throttle:60,1',
        'bindings',
    ],
];

希望这有效！

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