How to deal with the DB connection of zendframework

What I want to achieve now is that when I log on to zendframework for the first time, I will connect to the database, and then I will not need to connect again when I read the database again. how does Zend_Registry use Zend_Registry. Help !!!! Thank you for using the class & nbsp; Db {public & nb zendframework DB connection
What I want to achieve now is to connect to the database when logging on to the database for the first time, and then read the database later without having to connect again. how does Zend_Registry use it.
Help !!!! Thank you.
------ Solution --------------------
Class Db
{
Public static function conn ()
{
$ ConnParams = array ("host" => "localhost ",
"Port" = & gt; "3306 ",
"Username" => "root ",
"Password" => "",
"Dbname" => "");
$ Db = new Zend_Db_Adapter_Pdo_Mysql ($ connParams );
Return $ db;
}
}