解析如何使用Zend Framework 连接数据库

代码如下:$db = Zend_Db::factory(‘Pdo_Mysql’, array(                               ‘host’     => ‘127.0.0.1’,                               ‘username’ => ‘root’,                               ‘password’ => ‘123456’,                               ‘dbname’   => ‘mysql’     ));直接连接MYSQL 返回一个数据库连接对象读取配置文件中的配