1. 获取已登录客户信息
// Check if any customer is logged in or not
if (Mage::getSingleton('customer/session')->isLoggedIn()) {
// Load the customer's data
$customer = Mage::getSingleton('customer/session')->getCustomer();
$customer->getPrefix();
$customer->getName(); // Full Name
$customer->getFirstname(); // First Name
$customer->getMiddlename(); // Middle Name
$customer->getLastname(); // Last Name
$customer->getSuffix();
// All other customer data
$customer->getWebsiteId(); // ID
$customer->getEntityId(); // ID
$customer->getEntityTypeId(); // ID
$customer->getAttributeSetId(); // ID
$customer->getEmail();
$customer->getGroupId(); // ID
$customer->getStoreId(); // ID
$customer->getCreatedAt(); // yyyy-mm-ddThh:mm:ss+01:00
$customer->getUpdatedAt(); // y