require_once 'Zend/Loader/Autoloader.php'    //载入自动加载类 $loader = Zend_Loader_Autoloader::getInstance();//自动实例化 $loader->registerNamespace('Application_');//注册命名空间（只有系统默认的，和注册的才可以被自动载入） $loader->registerNamespace(array('Foo_', 'Bar_')); //多个命名空间的注册方法 $loader->setFallbackAutoloader(true);  //一个增加消耗的方法，不需要命名空间，直接载入所有类(不被推荐使用)

set_include_path(implode(PATH_SEPARATOR, array(     realpath(APPLICATION_PATH . '/../library'),     realpath(APPLICATION_PATH . '/forms/'),     get_include_path(), ))); //这里我们包含了我们的forms目录，方便程序的被载入

<?php  class Application_Form_Guestbook extends Zend_Form {     public function init()     {         // Set the method for the display form to POST         $this->setMethod('post');//设置提交方式         // Add an email element         $this->addElement('text', 'email', array(//原件的类型，名词，和一些其他信息的定义             'label'      => 'Your email address:',             'required'   => true,             'filters'    => array('StringTrim'),             'validators' => array(                 'EmailAddress',             )         ));         // Add the comment element         $this->addElement('textarea', 'comment', array(             'label'      => 'Please Comment:',             'required'   => true,             'validators' => array(                 array('validator' => 'StringLength', 'options' => array(0, 20))                 )         ));         // Add a captcha         $this->addElement('captcha', 'captcha', array(             'label'      => 'Please enter the 5 letters displayed below:',             'required'   => true,             'captcha'    => array(                 'captcha' => 'Figlet',                 'wordLen' => 5,                 'timeout' => 300             )         ));         // Add the submit button         $this->addElement('submit', 'submit', array(             'ignore'   => true,             'label'    => 'Sign Guestbook',         ));         // And finally add some CSRF protection         $this->addElement('hash', 'csrf', array(             'ignore' => true,         ));     } }

<?php class GuestbookController extends Zend_Controller_Action {     // snipping indexAction()...     public function signAction()     {         $request = $this->getRequest();//获取接受到得信息        // include_once("../application/forms/Guestbook.php");  手动加载类，只有不能自动载入时，才需要         $form    = new Application_Form_Guestbook;//实例化这个方法         if ($this->getRequest()->isPost()) {//如果是POST传递的结果             if ($form->isValid($request->getPost())) {//判断传递是否有效                 $comment = new Application_Model_Guestbook($form->getValues());                 $mapper  = new Application_Model_GuestbookMapper();                 $mapper->save($comment);                 return $this->_helper->redirector('index');             }         }         $this->view->form = $form;//将表单赋值给试图     } }

Please use the form below to sign our guestbook! <?php $this->form->setAction($this->url()); echo $this->form;