【问题标题】:Class 'App\Providers\FortifyServiceProvider' not found in Laravel 8.8在 Laravel 8.8 中找不到类“App\Providers\FortifyServiceProvider”
【发布时间】:2020-10-10 01:12:22
【问题描述】:

这是显示在我的浏览器中的错误消息:

在 C:\xampp\htdocs\blog\vendor\laravel\framework\src\Illuminate\Foundation\ProviderRepository.php 中找不到类“App\Providers\FortifyServiceProvider”(第 209 行)

public function createProvider($provider) //line 207
{ //line 208
    return new $provider($this->app); //line 209
} //line 210

ProviderRepository.php 中的代码:

<?php

namespace Illuminate\Foundation;


use Exception;
use Illuminate\Contracts\Foundation\Application as ApplicationContract;
use Illuminate\Filesystem\Filesystem;

class ProviderRepository
{
    /**
     * The application implementation.
     *
     * @var \Illuminate\Contracts\Foundation\Application
     */
    protected $app;

    /**
     * The filesystem instance.
     *
     * @var \Illuminate\Filesystem\Filesystem
     */
    protected $files;

    /**
     * The path to the manifest file.
     *
     * @var string
     */
    protected $manifestPath;

    /**
     * Create a new service repository instance.
     *
     * @param  \Illuminate\Contracts\Foundation\Application  $app
     * @param  \Illuminate\Filesystem\Filesystem  $files
     * @param  string  $manifestPath
     * @return void
     */
    public function __construct(ApplicationContract $app, Filesystem $files, $manifestPath)
    {
        $this->app = $app;
        $this->files = $files;
        $this->manifestPath = $manifestPath;
    }

    /**
     * Register the application service providers.
     *
     * @param  array  $providers
     * @return void
     */
    public function load(array $providers)
    {
        $manifest = $this->loadManifest();

        // First we will load the service manifest, which contains information on all
        // service providers registered with the application and which services it
        // provides. This is used to know which services are "deferred" loaders.
        if ($this->shouldRecompile($manifest, $providers)) {
            $manifest = $this->compileManifest($providers);
        }

        // Next, we will register events to load the providers for each of the events
        // that it has requested. This allows the service provider to defer itself
        // while still getting automatically loaded when a certain event occurs.
        foreach ($manifest['when'] as $provider => $events) {
            $this->registerLoadEvents($provider, $events);
        }

        // We will go ahead and register all of the eagerly loaded providers with the
        // application so their services can be registered with the application as
        // a provided service. Then we will set the deferred service list on it.
        foreach ($manifest['eager'] as $provider) {
            $this->app->register($provider);
        }

        $this->app->addDeferredServices($manifest['deferred']);
    }

    /**
     * Load the service provider manifest JSON file.
     *
     * @return array|null
     */
    public function loadManifest()
    {
        // The service manifest is a file containing a JSON representation of every
        // service provided by the application and whether its provider is using
        // deferred loading or should be eagerly loaded on each request to us.
        if ($this->files->exists($this->manifestPath)) {
            $manifest = $this->files->getRequire($this->manifestPath);

            if ($manifest) {
                return array_merge(['when' => []], $manifest);
            }
        }
    }

    /**
     * Determine if the manifest should be compiled.
     *
     * @param  array  $manifest
     * @param  array  $providers
     * @return bool
     */
    public function shouldRecompile($manifest, $providers)
    {
        return is_null($manifest) || $manifest['providers'] != $providers;
    }

    /**
     * Register the load events for the given provider.
     *
     * @param  string  $provider
     * @param  array  $events
     * @return void
     */
    protected function registerLoadEvents($provider, array $events)
    {
        if (count($events) < 1) {
            return;
        }

        $this->app->make('events')->listen($events, function () use ($provider) {
            $this->app->register($provider);
        });
    }

    /**
     * Compile the application service manifest file.
     *
     * @param  array  $providers
     * @return array
     */
    protected function compileManifest($providers)
    {
        // The service manifest should contain a list of all of the providers for
        // the application so we can compare it on each request to the service
        // and determine if the manifest should be recompiled or is current.
        $manifest = $this->freshManifest($providers);

        foreach ($providers as $provider) {
            $instance = $this->createProvider($provider);

            // When recompiling the service manifest, we will spin through each of the
            // providers and check if it's a deferred provider or not. If so we'll
            // add it's provided services to the manifest and note the provider.
            if ($instance->isDeferred()) {
                foreach ($instance->provides() as $service) {
                    $manifest['deferred'][$service] = $provider;
                }

                $manifest['when'][$provider] = $instance->when();
            }

            // If the service providers are not deferred, we will simply add it to an
            // array of eagerly loaded providers that will get registered on every
            // request to this application instead of "lazy" loading every time.
            else {
                $manifest['eager'][] = $provider;
            }
        }

        return $this->writeManifest($manifest);
    }

    /**
     * Create a fresh service manifest data structure.
     *
     * @param  array  $providers
     * @return array
     */
    protected function freshManifest(array $providers)
    {
        return ['providers' => $providers, 'eager' => [], 'deferred' => []];
    }

    /**
     * Write the service manifest file to disk.
     *
     * @param  array  $manifest
     * @return array
     *
     * @throws \Exception
     */
    public function writeManifest($manifest)
    {
        if (! is_writable($dirname = dirname($this->manifestPath))) {
            throw new Exception("The {$dirname} directory must be present and writable.");
        }

        $this->files->replace(
            $this->manifestPath, '<?php return '.var_export($manifest, true).';'
        );

        return array_merge(['when' => []], $manifest);
    }

    /**
     * Create a new provider instance.
     *
     * @param  string  $provider
     * @return \Illuminate\Support\ServiceProvider
     */
    public function createProvider($provider)
    {
        return new $provider($this->app);
    }
}

我查看了我的 config/app.php 以查看我是否包含此服务提供商,但对我来说一切都很好。

config/app.php 的代码:

<?php
// namespace App\Providers;

return [

    /*
    |--------------------------------------------------------------------------
    | Application Name
    |--------------------------------------------------------------------------
    |
    | This value is the name of your application. This value is used when the
    | framework needs to place the application's name in a notification or
    | any other location as required by the application or its packages.
    */

    'name' => env('APP_NAME', 'Laravel'),

    /*
    |--------------------------------------------------------------------------
    | Application Environment
    |--------------------------------------------------------------------------
    |
    | This value determines the "environment" your application is currently
    | running in. This may determine how you prefer to configure various
    | services your application utilizes. Set this in your ".env" file.
    |
    */

    'env' => env('APP_ENV', 'production'),

    /*
    |--------------------------------------------------------------------------
    | Application Debug Mode
    |--------------------------------------------------------------------------
    |
    | When your application is in debug mode, detailed error messages with
    | stack traces will be shown on every error that occurs within your
    | application. If disabled, a simple generic error page is shown.
    |
    */

    'debug' => env('APP_DEBUG', false),

    /*
    |--------------------------------------------------------------------------
    | Application URL
    |--------------------------------------------------------------------------
    |
    | This URL is used by the console to properly generate URLs when using
    | the Artisan command line tool. You should set this to the root of
    | your application so that it is used when running Artisan tasks.
    |
    */

    'url' => env('APP_URL', 'http://localhost'),

    /*
    |--------------------------------------------------------------------------
    | Application Timezone
    |--------------------------------------------------------------------------
    |
    | Here you may specify the default timezone for your application, which
    | will be used by the PHP date and date-time functions. We have gone
    | ahead and set this to a sensible default for you out of the box.
    |
    */

    'timezone' => 'UTC',

    /*
    |--------------------------------------------------------------------------
    | Application Locale Configuration
    |--------------------------------------------------------------------------
    |
    | The application locale determines the default locale that will be used
    | by the translation service provider. You are free to set this value
    | to any of the locales which will be supported by the application.
    |
    */

    'locale' => 'en',

    /*
    |--------------------------------------------------------------------------
    | Application Fallback Locale
    |--------------------------------------------------------------------------
    |
    | The fallback locale determines the locale to use when the current one
    | is not available. You may change the value to correspond to any of
    | the language folders that are provided through your application.
    |
    */

    'fallback_locale' => 'en',

    /*
    |--------------------------------------------------------------------------
    | Encryption Key
    |--------------------------------------------------------------------------
    |
    | This key is used by the Illuminate encrypter service and should be set
    | to a random, 32 character string, otherwise these encrypted strings
    | will not be safe. Please do this before deploying an application!
    |
    */

    'key' => env('APP_KEY'),

    'cipher' => 'AES-256-CBC',

    /*
    |--------------------------------------------------------------------------
    | Logging Configuration
    |--------------------------------------------------------------------------
    |
    | Here you may configure the log settings for your application. Out of
    | the box, Laravel uses the Monolog PHP logging library. This gives
    | you a variety of powerful log handlers / formatters to utilize.
    |
    | Available Settings: "single", "daily", "syslog", "errorlog"
    |
    */

    'log' => env('APP_LOG', 'single'),

    'log_level' => env('APP_LOG_LEVEL', 'debug'),

    /*
    |--------------------------------------------------------------------------
    | Autoloaded Service Providers
    |--------------------------------------------------------------------------
    |
    | The service providers listed here will be automatically loaded on the
    | request to your application. Feel free to add your own services to
    | this array to grant expanded functionality to your applications.
    |
    */

    'providers' => [

        /*
         * Laravel Framework Service Providers...
         */
        Illuminate\Auth\AuthServiceProvider::class,
        Illuminate\Broadcasting\BroadcastServiceProvider::class,
        Illuminate\Bus\BusServiceProvider::class,
        Illuminate\Cache\CacheServiceProvider::class,
        Illuminate\Foundation\Providers\ConsoleSupportServiceProvider::class,
        Illuminate\Cookie\CookieServiceProvider::class,
        Illuminate\Database\DatabaseServiceProvider::class,
        Illuminate\Encryption\EncryptionServiceProvider::class,
        Illuminate\Filesystem\FilesystemServiceProvider::class,
        Illuminate\Foundation\Providers\FoundationServiceProvider::class,
        Illuminate\Hashing\HashServiceProvider::class,
        Illuminate\Mail\MailServiceProvider::class,
        Illuminate\Notifications\NotificationServiceProvider::class,
        Illuminate\Pagination\PaginationServiceProvider::class,
        Illuminate\Pipeline\PipelineServiceProvider::class,
        Illuminate\Queue\QueueServiceProvider::class,
        Illuminate\Redis\RedisServiceProvider::class,
        Illuminate\Auth\Passwords\PasswordResetServiceProvider::class,
        Illuminate\Session\SessionServiceProvider::class,
        Illuminate\Translation\TranslationServiceProvider::class,
        Illuminate\Validation\ValidationServiceProvider::class,
        Illuminate\View\ViewServiceProvider::class,
        

        /*
         * Package Service Providers...
         */
        Laravel\Tinker\TinkerServiceProvider::class,

        /*
         * Application Service Providers...
         */
        App\Providers\AppServiceProvider::class,
        App\Providers\AuthServiceProvider::class,
        // App\Providers\BroadcastServiceProvider::class,
        App\Providers\EventServiceProvider::class,
        App\Providers\RouteServiceProvider::class,
        App\Providers\FortifyServiceProvider::class,
        App\Providers\JetstreamServiceProvider::class,
    ],

    /*
    |--------------------------------------------------------------------------
    | Class Aliases
    |--------------------------------------------------------------------------
    |
    | This array of class aliases will be registered when this application
    | is started. However, feel free to register as many as you wish as
    | the aliases are "lazy" loaded so they don't hinder performance.
    |
    */

    'aliases' => [

        'App' => Illuminate\Support\Facades\App::class,
        'Artisan' => Illuminate\Support\Facades\Artisan::class,
        'Auth' => Illuminate\Support\Facades\Auth::class,
        'Blade' => Illuminate\Support\Facades\Blade::class,
        'Broadcast' => Illuminate\Support\Facades\Broadcast::class,
        'Bus' => Illuminate\Support\Facades\Bus::class,
        'Cache' => Illuminate\Support\Facades\Cache::class,
        'Config' => Illuminate\Support\Facades\Config::class,
        'Cookie' => Illuminate\Support\Facades\Cookie::class,
        'Crypt' => Illuminate\Support\Facades\Crypt::class,
        'DB' => Illuminate\Support\Facades\DB::class,
        'Eloquent' => Illuminate\Database\Eloquent\Model::class,
        'Event' => Illuminate\Support\Facades\Event::class,
        'File' => Illuminate\Support\Facades\File::class,
        'Gate' => Illuminate\Support\Facades\Gate::class,
        'Hash' => Illuminate\Support\Facades\Hash::class,
        'Lang' => Illuminate\Support\Facades\Lang::class,
        'Log' => Illuminate\Support\Facades\Log::class,
        'Mail' => Illuminate\Support\Facades\Mail::class,
        'Notification' => Illuminate\Support\Facades\Notification::class,
        'Password' => Illuminate\Support\Facades\Password::class,
        'Queue' => Illuminate\Support\Facades\Queue::class,
        'Redirect' => Illuminate\Support\Facades\Redirect::class,
        'Redis' => Illuminate\Support\Facades\Redis::class,
        'Request' => Illuminate\Support\Facades\Request::class,
        'Response' => Illuminate\Support\Facades\Response::class,
        'Route' => Illuminate\Support\Facades\Route::class,
        'Schema' => Illuminate\Support\Facades\Schema::class,
        'Session' => Illuminate\Support\Facades\Session::class,
        'Storage' => Illuminate\Support\Facades\Storage::class,
        'URL' => Illuminate\Support\Facades\URL::class,
        'Validator' => Illuminate\Support\Facades\Validator::class,
        'View' => Illuminate\Support\Facades\View::class,

    ],

];

我还尝试了一些我在 Google 上找到的其他解决方案,例如使用 composer dump-autoloadphp artisan config:cache 等命令。事实上,它们都不起作用,每次我尝试在命令提示符下运行任何命令时,都会显示相同的错误消息“找不到类 App\Providers\FortifyServiceProvider”。有谁知道如何解决这个错误?提前致谢

【问题讨论】:

  • 提供者就在您的providers 数组中...您实际上在app/Providers 中有那个提供者吗?
  • 是的,我有。它在我的应用程序/提供者中
  • @Kenny 你找到解决方案了吗?

标签: php laravel fortify service-provider


【解决方案1】:

文档有点误导,因为服务提供者如何编码 sn-p:

“上面讨论的vendor:publish 命令也将发布App\Providers\FortifyServiceProvider 类。您应该确保该类已在应用程序的config/app.php 配置文件的providers 数组中注册。”

如果您直接从文档 App\Providers\FortifyServiceProvider 复制并粘贴到您的提供程序中,它将中断,因为它需要:App\Providers\FortifyServiceProvider::class

【讨论】:

    【解决方案2】:

    试试

    composer require laravel/fortify
    composer dump-autoload
    

    【讨论】:

      【解决方案3】:

      你可能忘记了

      php artisan vendor:publish --provider="Laravel\Fortify\FortifyServiceProvider"

      https://github.com/laravel/fortify

      【讨论】:

      • 任何命令在我的情况下都不起作用,我的命令提示符将显示相同的错误消息 Class 'App\Providers\FortifyServiceProvider' not found
      • 删除其使用形式 app.php 并再次尝试运行发布命令,因为结果文件 FortifyServiceProvider.php 将从供应商文件夹复制到 app/Providers 文件夹
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