laravel ServiceProvider 服务提供者使用案例

 public function register()
    {
        $this->app->singleton('wxminapp', function () {
            return (new WxServiceProvider)->boot();
        });
    }

 public function provides()
    {
        return ['wxminapp'];
    }

$wxconfig = app('wxminapp');

dd( $wxconfig->auth->session(1));