function _displayCart()
{
$comm_cart = array(0, 0);
if (isset($_SESSION['cart'])) {
$cartObj = CartHelper::getCart();
$comm_cart[0] = $cartObj->getItemCount();
$comm_cart[1] = $cartObj->getPrice();
}
return $comm_cart;
}
<?php
/*
购物车控制器
*/
define('ACC', true);
require '../system/init.php';
//实例化购物车类和商品类
$cartObj = CartHelper::getCart();
$goods = new GoodsModel();
$act = isset($_GET['act']) ? $_GET['act'] : 'buy';
//购买商品，去结算
if ($act == 'buy') {
if (isset($_GET['goods_id'])) {
$goods_id = $_GET['goods_id'];
$goods_info = $goods->find($goods_id);
$num = isset($_GET['num']) ? $_GET['num'] + 0 : 1;
//商品是否存在
if (!isset($goods_info)) {
$msg = "The ware is not exist<br>";
include __ROOT__ . 'view/front/msg.html';
exit;
}
//商品是否上架或者删除
if ($goods_info['is_delete'] || !$goods_info['is_on_sale']) {
$msg = "The ware is not available<br>";
include __ROOT__ . 'view/front/msg.html';
exit;
}
//商品是否有库存
if ($cartObj->getNoByID($goods_id) + $num > $goods_info['goods_number']) {
