index控制器中的方法

public function index(){
   //查询轮播图
   $slide = new SlideModel();
   $slides = $slide->select()->toArray();
   $this->view->slides = $slides;

   //查询头牌
   $product = new ProductModel();
   $products = $product->where('sort','1')->select()->toArray();
   $this->view->products = $products;
   //查询线上花魁
   $NewProduct = $product->where('sort','2')->limit(1)->select()->toArray();
   $this->view->NewProduct = $NewProduct;

   //查询最新资讯
   $new = new NewsModel();
   $news = $new->limit(4)->select()->toArray();
   $this->view->news=$news;
   //渲染首页模板
   return $this->fetch();
}