laravel `Auth:user()` 或 `Auth:id()` 如何工作

Question

laravelAuth:user()或如何Auth:id()工作

它驻留在会话或数据库中。

我搜索但没有得到好的文章。

请帮助理解。我知道我会得到很多反对票；)

Answer 1

这是我试图弄清楚Auth::user()通话中实际发生的事情：

Auth::user()

Illuminate\Support\Facades\Auth
extends Illuminate\Support\Facades\Facade

Facade::__callStatic('user')

static::getFacadeRoot()

resolveFacadeInstance(static::getFacadeAccessor == 'auth' (from Auth class))

return static::$app[$name];
static::$app is instance of Illuminate\Foundation\Application
extends Illuminate\Container\Container

哪个实现ArrayAccess（这就是$obj[]语法起作用的原因）

Container::offsetGet(auth)

Application::make(auth) 

Container::getAlias(auth) return 'auth'

Container::make(auth)

Container::resolve(auth)

yadda, yadda, yadda 见 Application::registerCoreContainerAliases

'auth' = Illuminate\Auth\AuthManager

AuthManager::user() = AuthManager::__call = $this->guard()->user()

AuthManager::guard(web)

AuthManager::resolve(web) (see config/auth.php)

AuthManager::createSessionDriver() returns new Illuminate\Auth\SessionGuard

SessionGuard::user() // <---- this is what actually get's called, based on default config

Answer 2

你读过这篇文章吗？这是一个很好的入门指南

https://laravel.com/docs/5.4/authentication