magento 1.6后台无法登录

今天一个客户说它的magento 1.6后台无法登录，找了好久才找到解决办法 ，这是从网上找到，希望同样出现这种问题朋友能够参考一下。

magento 1.4.x stable has a problem on the login procedure on localhost.
you need to change in app/code/core/Mage/Core/Model/Session/Abstract/Varien.php教程

// session cookie params
     

   $cookieParams = array(
            'lifetime' => $cookie->getLifetime(),
            'path'     => $cookie->getPath(),
            'domain'   => $cookie->getConfigDomain(),
            'secure'   => $cookie->isSecure(),
            'httponly' => $cookie->getHttponly()
         );

         if (!$cookieParams['httponly']) {
            unset($cookieParams['httponly']);
             if (!$cookieParams['secure']) {
                unset($cookieParams['secure']);
                 if (!$cookieParams['domain']) {
                    unset($cookieParams['domain']);
                }
             }
         }

        if (isset($cookieParams['domain'])) {
             $cookieParams['domain'] = $cookie->getDomain();
        }with
// session cookie params
        $cookieParams = array(
            'lifetime' => $cookie->getLifetime(),
            'path'     => $cookie->getPath(),
           // 'domain'    => $cookie->getConfigDomain(),
            // 'secure'    => $cookie->isSecure(),
            // 'httponly' => $cookie->getHttponly()
        );
/*
         if (!$cookieParams['httponly']) {
             unset($cookieParams['httponly']);
             if (!$cookieParams['secure']) {
                 unset($cookieParams['secure']);
                 if (!$cookieParams['domain']) {
                     unset($cookieParams['domain']);
                 }
             }
         }

         if (isset($cookieParams['domain'])) {
             $cookieParams['domain'] = $cookie->getDomain();
         }
*/