Analyze how to use Zend Framework to connect to the database

$db = Zend_Db::factory('Pdo_Mysql', array(
                               'host'     => '127.0.0.1',
                               'username' => 'root',
                               'password' => '123456',
                               'dbname'   => 'mysql'
     ));

Directly connect to MYSQL and return a database connection object
Read the configuration in the configuration file and connect

$config = new Zend_Config_Ini('config.ini', 'main');    //读取分析Zend的配置文件，main表示配置文件的上级
$params['profiler'] = $config->db->profiler;            //赋值数据库连接信息
$db = Zend_Db::factory('PDO_MYSQL', $params);           //连接数据库

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