ZFConf 2010: Zend Framework & MVC, Model Implementation (Part 1)5. Model View Controller仂亟亠仍 (Model)仂于亠舒亠 亰舒 亟舒仆仆亠 亳 仗仂于亠亟亠仆亳亠 弍亳亰仆亠 仍仂亞亳从亳 仗亳仍仂亢亠仆亳亠亟舒于仍亠仆亳亠 (View)- 仂于亠舒亠 亰舒 仍仂亞亳从 于磶舒仆仆 仂仂弍舒亢亠仆亳亠仄 亳仆仂仄舒亳亳仂仆仂仍仍亠 (Controller)仂弍舒弍舒于舒亠 仗仂仍亰仂于舒亠仍从亳亶 于于仂亟 9. Zend_Controller_Front丿舒弍仍仂仆 仗仂亠从亳仂于舒仆亳 个仂仆 仂仆仂仍仍亠 (Front Controller)亊于仍磳 舒从 仆舒亰于舒亠仄仄 束亟亳仆仂从仂亶損 (Singleton)丶亠仆舒仍亳亰仂于舒仆仆舒 仂从舒 于仂亟舒 亟仍 于亠 亰舒仗仂仂于亠仍亠亞亳仂于舒仆亳亠 亰舒仗仂舒 从 仗亠亳舒仍亳亰亳仂于舒仆仆仂仄 仂弍舒弍仂亳从 (Zend_Controller_Action) 12. Zend_Controller_Action弍舒从仆亶 从仍舒 亟仍 亠舒仍亳亰舒亳亳 MVC 于 Zend Framework舒仍亠亟仂于舒仆亳亠 Zend_Controller_Action从仍舒舒仄亳 - 从仂仆仂仍仍亠舒仄亳仍舒 从仂仆仂仍仍亠 亞仗仗亳亠仆舒弍仂 仂弍舒弍仂亳从仂于 于 于亳亟亠 仗弍仍亳仆 仄亠仂亟仂于 亟亠亶于亳亶. 14. Zend_View亠舒仍亳亰舒亳 亠亟舒于仍亠仆亳 于 Zend Framework仆亠仗亠舒亳 束从亳仗仂于 于亳亟舒損仂亟亟亠亢从舒 仍ミ英 仂弍舒弍仂亳从仂于 舒弍仍仂仆仂于public function listAction(){$guestBookModel= new GuestBook();$comments = $guestBookModel->getComments();$view = new Zend_View();$view->comments = $comments;echo $view->render('guest-book.php');} 15. 弌从亳仗 于亳亟舒 guest-book.php个舒亶仍 ../application/views/scripts/guest-book.php<html><head><title>Comments</title></head><body><div>Comments:</div><?phpforeach($this->comments as $comment): ?><div class = "comment"><?phpecho $this->trim($comment); ?></div><?phpendforeach; ?></body></html> 18. 亟仂仗 从 仂亟亠仍亳个舒亶仍 ../application/views/helpers/Trim.php<?phpclass My_View_Helper_Trim{public function trim($value) {return trim($value); }} 21. 仂仄仂仆亳从 亟亠亶于亳 ViewRenderer个舒亶仍 ../application/controllers/GuestBookController.phpclass GuestBookControllerextends Zend_Controller_Action{public function listComments() {$guestBookModel= new GuestBook();$comments = $guestBookModel->getComments();$this->view->comments = $comments; } }个舒亶仍 ../application/views/scripts/guest-book/list.phtml<?phpforeach($this->comments as $comment): ?><div class=comment><?phpecho $comment ?></div><?phpendforeach; ?> 28. 束丐仂仍亶損 从仂仆仂仍仍亠class CommentsControllerextends Zend_Controller_Action{public function listComments() {$postId= $this->_request->getParam("postid");$isUser= $this->_request->getCookie("user");$guestBook= new GuestBook();$rows = $guestBook->fetchAll("post_id = ?", $postId);$commentsNumber= count($rows);$comments = array();$hiddenComments= array();foreach($rows as $row) {if ($row["visible"] == 1) {$comments[] = $row["text"]; } else {if ($isUser) {$hiddenComments[] = $row["text"]; } } }$this->view->comments = $comments;$this->view->hiddenComments = $hiddenComments; }} 30. 束丐仂仆从亳亶損 从仂仆仂仍仍亠public function listComments(){$postId= $this->_request->getParam("post");$isUser= $this->_request->getCookie("user");$guestBook= new GuestBook();$comments = $guestBook->getVisibleCommentsByPostId($postId, $isUser);$hiddenComments= $guestBook->getHiddenCommentsByPostId($postId, $isUser);$this->view->comments = $comments;$this->view->hiddenComments = $hiddenComments;} 32. 弌亠于亳仆亶 仍仂亶丿舒弍仍仂仆 仗仂亠从亳仂于舒仆亳 个舒舒亟弌从于舒亠 亠舒仍亳亰舒亳 仂弍亠从仂于 弍亳亰仆亠 仍仂亞亳从亳 亳 亳 于亰舒亳仄仂亟亠亶于亳亠- 舒仍亳亟舒亳 仗仂仍亰仂于舒亠仍从仂亞仂 于于仂亟舒于仂亳亰舒亳 亳 仗仂于亠从舒 仗舒于 亟仂仗舒GuestBookService个舒亶仍 ../application/models/GuestBookService.php<?phpclass GuestBookService{//[...]public function addComment($commentData) {$validator= $this->getCommentValidator();if ($validator->isValid($commentData)) {$this->getCommentTable()->insert($commentData); } }} 36. 弌仍仂亶 亟仂仗舒 从 亟舒仆仆仄亠仍亳仂仆仆亠 弍舒亰 亟舒仆仆Zend_Db个舒亶仍仂于舒 亳亠仄舒 亠弍 亠于亳Zend_Feed 38. Table Data Gateway<?php$usersGateway= new UsersGateway();// 仂弍舒于仍亠仆亳亠 仆仂于仂亞仂 仗仂仍亰仂于舒亠仍$usersGateway->insert($userData);// 弍仆仂于仍亠仆亳亠 亟舒仆仆 仗仂仍亰仂于舒亠仍$usersGateway->update($userId, $userData);// 丕亟舒仍亠仆亳亠 仗仂仍亰仂于舒亠仍$usersGateway->delete($userId);// 丼亠仆亳亠 亟舒仆仆$rows = $usersGateway->findAllByAddress($address);// 亠仂弍舒亰仂于舒仆亳亠 于 亟仂仄亠仆仆亠 仂弍亠从$users = array();foreach($rows as $row) {$users[] = new User($row);} 40. Active Record / ORM// 仂弍舒于仍亠仆亳亠 仆仂于仂亞仂 仗仂仍亰仂于舒亠仍$user = new User($userData);$user->save();// 弍仆仂于仍亠仆亳亠 亟舒仆仆$user->setName($newUserName);$user->save();// 丕亟舒仍亠仆亳亠 亰舒仗亳亳 仂 仗仂仍亰仂于舒亠仍亠$user->delete();// 丼亠仆亳亠 亟舒仆仆$users = $userFinder->findAllByAddress($address);// 亳仍亳$users = User::findAllByAddress($address); 41. Zend ORMclass User extends Zend_Db_Table_Row_Abstract{public function authorize(){/*[...]*/}}class Users extends Zend_Db_Table_Abstract{protected $_name = 'users';protected $_rowClass= 'User';public function findAllByAddress($address){/*[...]*/}}$users = new Users;$user = $users->findAllByAddress($address); 42. Data Mapper// 仂弍舒于仍亠仆亳亠 仆仂于仂亞仂 仗仂仍亰仂于舒亠仍$user = new User($userData);$usersMapper->save($user);// 弍仆仂于仍亠仆亳亠 亟舒仆仆$user->setName($newUserName);$usersMapper->save($user);// 丕亟舒仍亠仆亳亠 亰舒仗亳亳 仂 仗仂仍亰仂于舒亠仍亠$usersMapper->delete($user);// 丼亠仆亳亠 亟舒仆仆$users = $usersMapper->findAllByAddress($address); 43. Data Mapper 仂亳从 仂弍亠从舒 仗仂 仗舒舒仄亠class UsersMapper{protected $_db; public function findAllByAddress($address) {$rows = $this->_db->fetchAll('Select * From users Where address = ?', array($address));$users = array();foreach($rows as $row) {$user = new User();$user->setName($row);$user->setAddress($address);$users[] = $user; }return $users; } 44. Data Mapper 仂弍舒于仍亠仆亳亠 仂弍亠从舒public function insert(User $user) {$data = array('name' => $user->getName(),'address' => $user->getAddress() );$this->_db->insert('users', $data); } 45. 亠亳仄亠于舒 Data Mapper仂仄亠仆仆亠 仂弍亠从 亳仆从舒仗仍亳ム 仂仍从仂 弍亳亰仆亠 仍仂亞亳从 亳 仆亠 亰舒于亳 仂 亠舒仍亳亰舒亳亳 亳 舒仆亠仆亳礚亠亳仄亠于舒 ORM 弍亠亰 亰舒于亳亳仄仂亳 仂 亠仍亳仂仆仆 弍舒亰 亟舒仆仆舒亳仍亠亠 舒亰弍亳亠仆亳亠 仆舒 仍仂亳亠舒从仂亳仆亞