1.

通过email得到id的快速方法

$customer = Mage::getModel('customer/customer');
            $customer->setWebsiteId(Mage::app()->getWebsite()->getId());
            $customer->loadByEmail("admin123@126.com");
            //var_dump($customer);
            
             $customerId = $customer->getEntityId();

customerId就是我们通过email、想要得到的id的值

2

通过id得到email,

$customer = Mage::getModel('customer/customer')->load(1);
$customerFirstName = $customer->getFirstname();
$customerEmail = $customer->getEmail();

OK!通过上面的函数可以快速的得到您想要的客户的属性的值!