[李景山php]每天laravel-20160831|EventServiceProvider

<?phpnamespace Illuminate\Events;use Illuminate\Support\ServiceProvider;class EventServiceProvider extends ServiceProvider{// Event Service Provider extends Service Provider    /**     * Register the service provider.     *     * @return void     */    public function register()    {// public function register use a singleton        $this->app->singleton('events', function ($app) {// events and app            return (new Dispatcher($app))->setQueueResolver(function () use ($app) {                return $app->make('Illuminate\Contracts\Queue\Factory');            });// a Dispatcher ,set Queue Resolver use $app and make it        });    }}