public function modifyAmount()
{
$cartId = (int) $this->getParam('cartId', 0);
if ($cartId <= 0) {
$this->ajaxReturn(ERR_PARAMS_ERROR, '参数错误');
return;
}
$amount = (int) $this->getParam('amount', 0);
if ($amount <= 0) {
$this->ajaxReturn(ERR_PARAMS_ERROR, '参数错误');
return;
}
UserCartModel::modifyAmount($this->userId(), $cartId, $amount);
$this->ajaxReturn(0, '', '', array('amount' => $amount));
}
