title: Installing maatwebsite/excel with laravel 5.2
body: <p>I have struggling while installing maatwebsite/excel on laravel 5.2.
  I have followed the installation instruction and everything goes will but once I tried to use it it always give me an error</p>
  
  <pre><code>FatalErrorException in HomeController.php line 43:
  Class 'Excel' not found
  </code></pre>
  
  <p>here is the documentation 
  <a href="https://github.com/Maatwebsite/Laravel-Excel#installation" rel="nofollow">https://github.com/Maatwebsite/Laravel-Excel#installation</a></p>
  
  <p>and here is my composer.json file</p>
  
  <pre><code>{
      "name": "laravel/laravel",
      "description": "The Laravel Framework.",
      "keywords": ["framework", "laravel"],
      "license": "MIT",
      "type": "project",
      "require": {
          "php": "&gt;=5.5.9",
          "laravel/framework": "5.2.*",
          "maatwebsite/excel": "~2.1.0"
      },
      "require-dev": {
          "fzaninotto/faker": "~1.4",
          "mockery/mockery": "0.9.*",
          "phpunit/phpunit": "~4.0",
          "symfony/css-selector": "2.8.*|3.0.*",
          "symfony/dom-crawler": "2.8.*|3.0.*",
          "guzzlehttp/guzzle": "~5.3|~6.0",
          "doctrine/dbal" : "2.5.4"
      },
      "autoload": {
          "classmap": [
              "database"
          ],
          "psr-4": {
              "App\\": "app/"
          }
      },
      "autoload-dev": {
          "classmap": [
              "tests/TestCase.php"
          ]
      },
      "scripts": {
          "post-root-package-install": [
              "php -r \"copy('.env.example', '.env');\""
          ],
          "post-create-project-cmd": [
              "php artisan key:generate"
          ],
          "post-install-cmd": [
              "php artisan clear-compiled",
              "php artisan optimize"
          ],
          "pre-update-cmd": [
              "php artisan clear-compiled"
          ],
          "post-update-cmd": [
              "php artisan optimize"
          ]
      },
      "config": {
          "preferred-install": "dist"
      }
  }
  </code></pre>
  
  <p>and here is the config/app.php file</p>
  
  <pre><code>&lt;?php
  
  return [
  
      /*
      |--------------------------------------------------------------------------
      | 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' =&gt; 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' =&gt; env('APP_DEBUG', true),
  
      /*
      |--------------------------------------------------------------------------
      | 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' =&gt; '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' =&gt; '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' =&gt; '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' =&gt; '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' =&gt; env('e7gRYMqkd-- I have changed this here only'),
  
      'cipher' =&gt; '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' =&gt; env('APP_LOG', 'single'),
  
      /*
      |--------------------------------------------------------------------------
      | 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' =&gt; [
  
          /*
           * 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\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,
  
          /*
           * Application Service Providers...
           */
          App\Providers\AppServiceProvider::class,
          App\Providers\AuthServiceProvider::class,
          App\Providers\EventServiceProvider::class,
          App\Providers\RouteServiceProvider::class,
          Maatwebsite\Excel\ExcelServiceProvider::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' =&gt; [
          'App'       =&gt; Illuminate\Support\Facades\App::class,
          'Artisan'   =&gt; Illuminate\Support\Facades\Artisan::class,
          'Auth'      =&gt; Illuminate\Support\Facades\Auth::class,
          'Blade'     =&gt; Illuminate\Support\Facades\Blade::class,
          'Cache'     =&gt; Illuminate\Support\Facades\Cache::class,
          'Config'    =&gt; Illuminate\Support\Facades\Config::class,
          'Cookie'    =&gt; Illuminate\Support\Facades\Cookie::class,
          'Crypt'     =&gt; Illuminate\Support\Facades\Crypt::class,
          'DB'        =&gt; Illuminate\Support\Facades\DB::class,
          'Eloquent'  =&gt; Illuminate\Database\Eloquent\Model::class,
          'Event'     =&gt; Illuminate\Support\Facades\Event::class,
          'File'      =&gt; Illuminate\Support\Facades\File::class,
          'Gate'      =&gt; Illuminate\Support\Facades\Gate::class,
          'Hash'      =&gt; Illuminate\Support\Facades\Hash::class,
          'Lang'      =&gt; Illuminate\Support\Facades\Lang::class,
          'Log'       =&gt; Illuminate\Support\Facades\Log::class,
          'Mail'      =&gt; Illuminate\Support\Facades\Mail::class,
          'Password'  =&gt; Illuminate\Support\Facades\Password::class,
          'Queue'     =&gt; Illuminate\Support\Facades\Queue::class,
          'Redirect'  =&gt; Illuminate\Support\Facades\Redirect::class,
          'Redis'     =&gt; Illuminate\Support\Facades\Redis::class,
          'Request'   =&gt; Illuminate\Support\Facades\Request::class,
          'Response'  =&gt; Illuminate\Support\Facades\Response::class,
          'Route'     =&gt; Illuminate\Support\Facades\Route::class,
          'Schema'    =&gt; Illuminate\Support\Facades\Schema::class,
          'Session'   =&gt; Illuminate\Support\Facades\Session::class,
          'Storage'   =&gt; Illuminate\Support\Facades\Storage::class,
          'URL'       =&gt; Illuminate\Support\Facades\URL::class,
          'Validator' =&gt; Illuminate\Support\Facades\Validator::class,
          'View'      =&gt; Illuminate\Support\Facades\View::class,
          'Excel'     =&gt; Maatwebsite\Excel\Facades\Excel::class,
  
      ],
  
  ];
  </code></pre>
  
  <p>and here is my controller </p>
  
  <pre><code>&lt;?php
  
  namespace App\Http\Controllers;
  
  use Excel;
  use App\Classes\SlsAPI;
  use App\Http\Requests;
  use App\Order;
  use Auth;
  use Gate;
  use App\User;
  use Illuminate\Http\Request;
  use Mockery\CountValidator\Exception;
  
  class HomeController extends Controller
  {
  
      public function testxx(){
          Excel::create('Laravel Excel', function($excel) {
  
              $excel-&gt;sheet('Excel sheet', function($sheet) {
  
                  $sheet-&gt;setOrientation('landscape');
  
              });
  
          })-&gt;export('xls');
      }
  
  }
  </code></pre>
  
  <p>I don't know what I'm missing ?</p>