购物车类，求批，标题长点。不然引不起关注。。。。。。。。。。。

望大家有望相批
<?php
/**
+------------------------------------------------------------------------------
* 购物车操作类库
+------------------------------------------------------------------------------
* @category   ORG
* @package  ORG
* @subpackage  Util
* @author    ty
+------------------------------------------------------------------------------
*/
class Carts extends Think{
    private $list = array();//购物信息列表,数组
    private $total_number = 0;//总数量
    private $total_price = 0;//总价
    private $total_other_price = 0;//其它价格，本站用橙豆价
    private $remark = null;//订单备注信息
    
    public function __get($name){
        return $this->$name;
    }
    
    public function __construct(){}
    
    /*
     * $key                    当前数据键值
     * $obj                    当前插入对象
     * $one_price            单价
     * $one_other_price        其它单价
     * $single_price        单品价格小计
     * $single_other_price    单品其它价格小计
     * $single_number                数量
     * $carts_url                    单品链接地址
     * $carts_type                单品类型
     * */
    public function IntelliMathTM($key, $obj, $number = 1, $price, $other_price, $other = array()) {
        if (! array_key_exists ( $key, $this->list )) {
            $this->list [$key] = $obj;
            $this->list [$key] ['one_price'] = $price;
            $this->list [$key] ['one_other_price'] = $other_price;
            $this->list [$key] ['carts_url'] = $other ['url'];
            $this->list [$key] ['carts_type'] = $other ['type'];
        }
        /*
         * 单品计算
         * */
            $this->list [$key] ['single_number'] += $number; //单品数量计算
            $this->list [$key] ['single_price'] += $this->list [$key] ['one_price'] * $number; //单品价格小计
            $this->list [$key] ['single_other_price'] += $this->list [$key] ['one_other_price'] * $number; //单品其它价格小计
        /*
         * 购物车总计算
         * */
        $this->total_number         += $number;
        $this->total_price             += $this->list [$key] ['one_price'] * $number;
        $this->total_other_price     += $this->list [$key] ['one_other_price'] * $number;
    }
    /*
     * 删除购物车产品
     * $key        所移除物品键值
     * $number    移除物品数量，默认 0 全部
     * */
    public function RemoveCarts( $key, $number = 0 ) {
        /*
         * 得到删除物品计算信息
         * $to_number        数量
         * $to_other_price    其它形式价格
         * $to_price            总价格
         * */
        $to_number         = 0;
        $to_other_price = 0;
        $to_price         = 0;
        if( !$number || ($number == $this->list [$key] ['single_number']) || ($number > $this->list [$key] ['single_number'])){
            $to_number         = $this->list [$key] ['single_number'];
            $to_price         = $this->list [$key] ['single_price'];
            $to_other_price     = $this->list [$key] ['single_other_price'];
            unset($this->list [$key]);
        }else{
            $to_number         = $number;
            $to_price         = $this->list [$key] ['one_price'] * $number;
            $to_other_price     = $this->list [$key] ['one_other_price'] * $number;
            //单品信息更新
            $this->list [$key] ['single_number']         -= $to_number;
            $this->list [$key] ['single_price']         -= $to_price;
            $this->list [$key] ['single_other_price']     -= $to_other_price;
        }
        //购物车信息更新
        $this->total_number         -= $to_number;
        $this->total_price             -= $to_price;
        $this->total_other_price     -= $to_other_price;
    }    
}

大家就不能给点意见啥的