->find();return $this->view->fetch('product-cate', compact('cates', 'pro_cate', 'cate_id'));}public function product_detail(){$id = $this->request->param('id');$product = $this->product->with(['items'])->find($id);$product->pro_img = explode(',', $product->proimages);// 推荐热销产品$recommend_products = $this->product->where('isrecommend', 1)->order('id', 'desc')->select();// 产品分类$cate_and_pro = $this->category->with(['products'])->where('pid', 2)->order('weigh asc')->select();return $this->view->fetch('product', compact('product', 'cate_and_pro', 'recommend_products'));}public function contact()