php 面向对象(不知道取什么名字)

<?php

/**
* @version $Id$
* @create 2013-1-27 21:47:50 By xjiujiu
* @description HongJuZi Framework
* @copyRight Copyright (c) 2011-2012 http://www.xjiujiu.com.All right reserved
*/
@header('Content-Type: text/html, charset=utf-8;');
//开启session
@session_start();
include_once('./hongjuzi/hhcart.php');
//php 按行执行这里根据传来的action参数去调用其中的方法。
//其实柑橘在java中也是一样的.
//在servlet中不也是通过指定方法才去调用doget和dopost方法么。
//只不过这个是在method中指定的。
//如果要调用其他方法，也要自己去实例化的。
//而在struts2中，应该是用!去分割的。
$ac     = $_GET['ac'];
$cart   = new HHCart();
switch($ac) {
case 'list':
try{

$list = $cart->getList();
foreach($list as $key => $value){
$num = $list[$key]['total'];
$obj = $list[$key]['info'];
//stripslashes(String)去除斜杠
$price = stripslashes($obj['price']);
$count += intval($num * intval($price));
}
//echo json_encode(array('list' => $cart->getList()));
//建立数组，并复制给$orderList引用.期中list应该是一个对象数组。
$orderList = array('list' => $cart->getList(),'count'=>$count);
//array_push($orderList);
//转为json格式
echo json_encode($orderList);

}catch(Exception $ex){
echo "失败";
}
break;
case 'add': {
try {
//接受数据，并存为个一个数组。
$productInfo    = array(
'id' => $_POST['productId'],
'name' => $_POST['productName'],
'price' => $_POST['price'],
'type' => $_POST['productType']
);
//打印调试
var_dump($productInfo);
$cart->add($productInfo);
echo json_encode(array('succeed' => true));
} catch(Exception $ex) {
echo json_encode(array(
'succeed' => 'false',
'info' => '貨物添加失敗！'
));
}
break;
}
case 'sub': break;
case 'destroy': break;
default: break;
}
?>

<?php

/**
* @version $Id$
* @create 2013-1-27 21:47:50 By xjiujiu
* @description HongJuZi Framework
* @copyRight Copyright (c) 2011-2012 http://www.xjiujiu.com.All right reserved
*/

/**
* 購物車類
*
* @desc
*
* @author xjiujiu <xjiujiu@foxmail.com>
* @package None
* @since 1.0.0
*/
class HHCart
{

/**
* @var Map $_cart 購物車容器
*/
protected $_cart;

/**
* @var String $_cartId 當前的購物車ID
*/
protected $_cartId;

/**
* @var String $_priceParam 單價名稱
*/
protected $_priceParam;

/**
* @var int $_productIdParamName 當前的產品ID變量名
*/
protected $_productIdParamName;

/**
* @var Mix $_productId 當前的產品ID
*/
protected $_productId;

/**
* 構造函數
*
* @desc
*
* @author xjiujiu <xjiujiu@foxmail.com>
* @access public
* @param String $price 當前的價格變量名稱，默認：price
* @param String $productIdParamName 產品編號變量
*/
public function __construct($price = 'price', $productIdParamName = 'id')
{
$this->_getCurCart();
$this->_cartId          = session_id();
$this->_productInfo     = null;
$this->_priceParam      = $price;
$this->_productIdParamName  = $productIdParamName;
}

/**
* 得到當前的購物車容器
*
* @desc
*
* @author xjiujiu <xjiujiu@foxmail.com>
* @access protected
*/
protected function _getCurCart()
{
if(!isset($_SESSION['HHCART']) || !is_array($_SESSION['HHCART'])) {
$_SESSION['HHCART']     = array();
}
$this->_cart    = &$_SESSION['HHCART'];

}

/**
* 添加貨物
*
* @desc
*
* @author xjiujiu <xjiujiu@foxmail.com>
* @access public
*/
public function add($productInfo)
{
$productId   = $productInfo[$this->_productIdParamName];
if(!isset($this->_cart[$this->_cartId])) {
$this->_cart[$this->_cartId]    = array();
}

if(isset($this->_cart[$this->_cartId][$productId])) {
$this->_cart[$this->_cartId][$productId]['total'] ++;
} else {
$this->_cart[$this->_cartId][$productId]['total']    = 1;
$this->_cart[$this->_cartId][$productId]['info']     = $productInfo;
}
}

/**
* 減少貨物
*
* @desc
*
* @author xjiujiu <xjiujiu@foxmail.com>
* @access public
* @return void
* @throws none
*/
public function sub($productId)
{
if(isset($this->_cart[$this->_cartId])) {
if(isset($this->_cart[$this->_cartId][$productId])) {
if(1 != $this->_cart[$this->_cartId][$productId]['total']) {
$this->_cart[$this->_cartId][$productId]['total'] -= 1;
} else {
unset($this->_cart[$this->_cartId][$productId]['total']);
}
}
}
}

/**
* 清除貨物
*
* @desc
*
* @author xjiujiu <xjiujiu@foxmail.com>
* @access public
* @return void
* @throws none
*/
public function delete($productId)
{
if(isset($this->_cart[$this->_cartId])) {
if(isset($this->_cart[$this->_cartId][$productId])) {
unset($this->_cart[$this->_cartId][$productId]);
}
}
}

/**
* 更新購物車
*
* @desc
*
* @author xjiujiu <xjiujiu@foxmail.com>
* @access public
* @return List 得到當前購物車里的內容
*/
public function getList()
{
return $this->_cart[$this->_cartId];
}

/**
* 清空
*
* @desc
*
* @author xjiujiu <xjiujiu@foxmail.com>
* @access public
* @return void
* @throws none
*/
public function destroy()
{
unset($this->_cart[$this->_cartId]);
}

/**
* 結賬
*
* @desc
*
* @author xjiujiu <xjiujiu@foxmail.com>
* @access public
*/
public function count()
{
$total  = 0;
foreach($this->_cart[$this->_cartId] as $product) {
$total  += intval($product['total']) * intval($product['info'][$this->_priceParam]);
}

return $total;
}

}

?>