php购物车代码(2)

}
$this->cart[$key]['count'] = $value;
return $this->cart;
}

    /**
* 返回当前购物车内商品的数组
*
    * @access public
    * @return array 返回当前购物车内商品的数组;
    */
function getCart(){
return $this->cart;
}

// }}}
    // {{{ _isExists($key)

    /**
* 判断当前购物车中是否存在商品ID号为$key的商品
*
    * @access private
    * @param string $key 商品ID
    * @return bool   true or false;
    */
    function _isExists($key)
    {
if(isset($this->cart[$key])&&!empty($this->cart[$key])&&array_key_exists($key,$this->cart))
   return true;
    return false;
    }

// }}}
    // {{{ isEmpty()

    /**
* 判断当前购物车是否为空，即没有任何商品
*
    * @access public
    * @return bool   true or false;
    */
function isEmpty(){
return !count($this->cart);
}

// }}}
    // {{{ _stat()

    /**
* 取得部分统计信息
*
    * @access private
    * @return bool true or false;
    */
function _stat(){
if($this->isEmpty()) return false;
foreach($this->cart as $item){
   $this->totalCount   = @end($item);
   $this->totalPrices = @prev($item);
}
return true;
}

// }}}
    // {{{ totalPrices()

    /**
* 取得当前购物车所有商品的总金额
*
    * @access public
    * @return float 返回金额;
    */
function totalPrices(){
if($this->_stat())
   return $this->totalPrices;
return 0;
}

// }}}
    // {{{ isEmpty()

    /**
* 取得当前购物车所有商品的总数量和
*
    * @access public
    * @return int ;
    */
function totalCount(){
if($this->_stat())
   return $this->totalCount;
return 0;
}

}//End Class Cart

调用开始
<?php
//调用实例
require_once 'cart.class.php';
session_start();
if(!isset($_SESSION['cart'])) {
$_SESSION['cart'] = new Cart;
}
$cart =& $_SESSION['cart'];

if( ($_SERVER['REQUEST_METHOD']=="POST")&&($_POST['action']=='add') ){
$p = $_POST['p'];
$items = $cart->add($p);
}
if( ($_GET['action']=='remove')&&($_GET['key']!="") ) {
$items = $cart->remove($_GET['key']);
}

if( ($_SERVER['REQUEST_METHOD']=="POST")&&($_POST['action']=='modi') ){
$key = $_POST['key'];
$value = $_POST['value'];
for($i=0;$i<count($key);$i ){
$items = $cart->modi($key[$i],$value[$i]);
}
}

$items = $cart->getCart();
//打印
echo "<table border=1>";
setlocale(LC_MONETARY, 'it_IT');
foreach($items as $item){
echo "<tr><form method=\"post\" action=\"tmp.php\">";
echo "<td>ID：".$item['ID']."<input type=hidden name=key[] value=".$item['ID'].">";
echo "<td>产品：".$item['name'];
echo "<td>单价：".$item['price'];
echo "<td><input type=text name=value[] value=".$item['count'].">";

课程关键词:

php购物车代码(2)