/**
* 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');
}
}
