Question

在prestashop 1.6.1.4中，我无法更改类别中的产品顺序，当我更改管理员（产品目录＆gt;按类别筛选）时，它不会保存到数据库。

重新加载管理页面后，位置编号的值不正确，而不是1 ... N显示0,0,0,3,4,5 ......

Answer 1

在classes / Product.php中，将updatePosition更改为：

public function updatePosition($way, $position)
{
    $sql = '
        SELECT cp.`id_product`, cp.`position`, cp.`id_category`
        FROM `' . _DB_PREFIX_ . 'category_product` cp
        WHERE cp.`id_category` = ' . (int)Tools::getValue('id_category', 1) . '
        ORDER BY cp.`position` ASC';
    if (!$res = Db::getInstance()->executeS($sql
    )) {

        return false;
    }

    $loop_position = -1;
    foreach ($res as $product) {
            $loop_position++;
            $product['position'] = $loop_position;
            $sql3 = '
        UPDATE `' . _DB_PREFIX_ . 'category_product`
        SET `position` = ' . (int)$loop_position . '
        WHERE `id_product` = ' . (int)$product['id_product'] . '
        AND `id_category`=' . (int)$product['id_category'];
            Db::getInstance()->execute($sql3);
        $loop_position = $product['position'];

        if ((int)$product['id_product'] == (int)$this->id) {

            $moved_product = $product;
        }
    }
    if (!isset($moved_product) || !isset($position))
        return false;

    // < and > statements rather than BETWEEN operator
    // since BETWEEN is treated differently according to databases
    $sql2 = '
        UPDATE `' . _DB_PREFIX_ . 'category_product`
        SET `position`= `position` ' . ($way ? '- 1' : '+ 1') . '
        WHERE `position`
        ' . ($way
            ? '> ' . (int)$moved_product['position'] . ' AND `position` <= ' . (int)$position
            : '< ' . (int)$moved_product['position'] . ' AND `position` >= ' . (int)$position) . '
        AND `id_category`=' . (int)$moved_product['id_category'];
    $sql3 = '
        UPDATE `' . _DB_PREFIX_ . 'category_product`
        SET `position` = ' . (int)$position . '
        WHERE `id_product` = ' . (int)$moved_product['id_product'] . '
        AND `id_category`=' . (int)$moved_product['id_category'];
    return (Db::getInstance()->execute($sql2)
    && Db::getInstance()->execute($sql3));
}

Prestashop - 更改类别中的产品订单失败

1 个答案: