public function index()
 {
     $nav = new category();
     $menu_top = $nav->menu_top($nav->all()->toArray());
     $hot = new Product();
     $man = new Product();
     $slider = Slider::all();
     $hotman = $man->getHotman();
     $hotPro = $hot->getHotPro();
     $news = News::getNewsInIndex();
     $auth = User::all();
     return view('frontend.pages.index', array('menu_top' => $menu_top, 'hotPro' => $hotPro, 'hotman' => $hotman, 'slider' => $slider, 'news' => $news, 'auth' => $auth));
 }