zend_db连接mysql(附完整代码）

<?php
//...省略

$params = array ('host'     => '127.0.0.1',
                 'username' => 'root',
                 'password' => '123456',
                 'dbname'   => 'happycms');

$db = Zend_Db::factory('pdoMysql', $params);
Zend::register('db', $db);
?>

<?php
class App_Article {
        private $db;
        function App_Article() {
                $this->db = Zend::registry('db');
        }

        function listAll() {
                $result = $this->db->query('SELECT * FROM article');
                $rows = $result->fetchAll();

                Zend::dump($rows);
        }

        function listByCategory() {
        }

        //...省略
}

?>

    function __construct() {              
        $this->view = Zend::registry('view');
        $this->article = new App_Article();      
    }

    public function listAllAction() {
        $this->article->listAll();
        $this->view->title='View Articles';         
        echo $this->view->render(TPL_DIR.'/tplView.php');
    }

    function __call($action, $arguments)
    {      
        $this->_redirect('./');
        print_r($action);
        print_r($arguments);
    }
}
?>

array(1) {
  [0] => array(15) {
    ["articleid"] => string(1) "1"
    ["categoryid"] => string(1) "0"
    ["articletitle"] => string(4) "test\"
    ["articlefromwhere"] => string(3) "sdf"
    ["articlekeywords"] => string(5) "sdfds"
    ["articledescription"] => string(4) "test"
    ["articlebody"] => string(9) "sffsdfsdf"