/**
* Zend_Db::factory的封装，主要进行密码转换
*
* 非密码加密形式的，请直接使用Zend_Db::factory
*
* @param array $params
* @return Zend_Db_Adapter_Abstract
*/
public static function factory(array $params)
{
$adapter = $params['adapter'];
$config = $params['params'];
$config['password'] = Oray_Function::decryptString($config['password']);
return Zend_Db::factory($adapter, $config);
}
