//以商品为单位分别存入到各个不同的cookie中，避免因为cookie值过大，导致数据存储失败

$cart_info_one[brand_name] = $parent['brand_name'];

setcookie("cart_info_".$maxindex,serialize($cart_info_one),time()+315360000,'/');

//获取cookie中购物车中信息

$cart_info_arr[] = unserialize(stripslashes($_COOKIE["$cookie_name"]));//cookie 购物车信息

//主要函数封装方法

/*

 * 用户登录后将本地购物车cookie和数据库信息进行同步

 * */

function syn_cart_cookie(){

    if(empty($_SESSION['user_id'])){

        return;

    }

    $sql = "SELECT goods_id FROM ".$GLOBALS['ecs']->table('cart')." WHERE user_id=".$_SESSION['user_id'];

    $cart_goods_id = $GLOBALS['db']->getAll($sql);

    foreach ($cart_goods_id as $cart_goods_id_list){

        $db_cart_goods_id[] = $cart_goods_id_list['goods_id'];

    }

    $cart_info_arr = cookie_cart_info();//cookie 购物车信息

    if(!is_array($cart_info_arr)){

        return ;

    }

    foreach ($cart_info_arr as $key=>$cart_info_list){

        $cart_info = array();

        if(!in_array($cart_info_list['goods_id'], $db_cart_goods_id)){

            unset($cart_info_list['rec_id']);

            $cart_info_list['user_id'] = $_SESSION['user_id'];

            $cart_info_list['session_id'] = $_SESSION['session_id'];

            $GLOBALS['db']->autoExecute($GLOBALS['ecs']->table('cart'), $cart_info_list, 'INSERT');

        }

    }

    clean_cookie_cart();//清除购物车cookie信息

}

/* 获取cookie中购物车的名称 */

function cookie_cart_index(){

    $cookie_keys = array_keys($_COOKIE);

    foreach ($cookie_keys as $cookie_keys_list){

        if(strpos($cookie_keys_list,'cart_info_') !== false && is_numeric(ltrim($cookie_keys_list,'cart_info_'))){

            $index[] = ltrim($cookie_keys_list,'cart_info_');

        }

    }

    if(empty($index)){

        return false;

    }

    return $index;

}

/* 获取cookie中购物车最大的索引值 */

function cookie_cart_maxIndex(){

    $index = cookie_cart_index();

    if($index === false){

        return -1;

    }

    rsort($index);

    return $index[0];

}

/* 将cookie中的购物车信息合拼为一个二维数组 */

function cookie_cart_info(){

    $index = cookie_cart_index();

    if($index === false){

        return;

    }

    $cart_info_arr = array();

    foreach ($index as $index_info){

        $cookie_name = 'cart_info_'.$index_info;

        $cart_info_arr[] = unserialize(stripslashes($_COOKIE["$cookie_name"]));//cookie 购物车信息

    }

    return $cart_info_arr;

}

/* 清除cookie中购物车信息 */

function clean_cookie_cart(){

    $index = cookie_cart_index();

    foreach ($index as $cart_info_dex){

        setcookie('cart_info_'.$cart_info_dex,'',time()-100,'/');

    }

    return true;

}