/** * update cart更新购物车物品数量+- */ public function ucAction() { if (ComTool::isAjax()) { $type = $this->post('type', 'inc'); $productId = intval($this->post('proid', 0)); if (!$productId) { ComTool::ajax(100001, '服务器忙,请刷新重试'); } $product = GoodsData::getById($productId); if (!$product) { ComTool::ajax(100001, '服务器忙,请刷新重试'); } $curCategory = $product['category_id']; $productInCart = $_SESSION['cart'][$curCategory][$productId]; $productQuantity = intval($productInCart['quantity']); switch ($type) { case 'inc': //increment $productInCart['quantity'] = $productQuantity + 1; $_SESSION['cart'][$curCategory][$productId] = $productInCart; break; case 'dec': //decrement $productInCart['quantity'] = $productQuantity - 1; if ($productInCart['quantity'] <= 0) { $_SESSION['cart'][$curCategory][$productId] = array(); unset($_SESSION['cart'][$curCategory][$productId]); } else { $_SESSION['cart'][$curCategory][$productId] = $productInCart; } break; case 'rm': //delete $_SESSION['cart'][$curCategory][$productId] = array(); unset($_SESSION['cart'][$curCategory][$productId]); break; } ComTool::ajax(100000, 'ok'); } }