基于CakePHP实现的简单博客系统实例

<?php
class PostsController extends AppController {
 public $helpers = array('Html', 'Form', 'Session');
 public $components = array('Session');
 public function index() 
 {
   $this->set('posts', $this->Post->find('all'));
 }
 public function view($id=null)
 {
   $this->Post->id=$id;
   $this->set('post',$this->Post->read());
 }
 public function add()
 {
   if($this->request->is("post"))
   {
    $this->Post->create();
    if($this->Post->save($this->request->data))
    {
      $this->Session->setFlash("your post added!");
      $this->redirect(array('action'=>'index'));
    }
    else
    {
      $this->Session->setFlash("unable to create post!");
    }
   }
 }
 public function edit($id=null)
 {
   $this->Post->id=$id;
   if($this->request->is('get'))
   {
     $this->request->data = $this->Post->read();
   }
   else
   {
     if($this->Post->save($this->request->data)) 
     {
       $this->Session->setFlash('Your post has been updated.');
       $this->redirect(array('action' => 'index'));
     }
     else
     {
       $this->Session->setFlash('Unable to update your post.');
     }
   }
 }
 public function delete($id) {
    if ($this->request->is('get')) {
        throw new MethodNotAllowedException();
    }
    if ($this->Post->delete($id)) {
      $this->Session->setFlash('The post with id: ' . $id . ' has been deleted.');
      $this->redirect(array('action' => 'index'));
    }
 }
}
?>

<?php
class Post extends AppModel {
public $validate = array(
 'title' => array(
 'rule' => 'notEmpty'
),
 'body' => array(
 'rule' => 'notEmpty'
)
);
}
?>

<?php
/**
 * Routes configuration
 *
 * In this file, you set up routes to your controllers and their actions.
 * Routes are very important mechanism that allows you to freely connect
 * different urls to chosen controllers and their actions (functions).
 *
 * PHP 5
 *
 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
 * Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
 *
 * Licensed under The MIT License
 * Redistributions of files must retain the above copyright notice.
 *
 * @copyright   Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
 * @link     http://cakephp.org CakePHP(tm) Project
 * @package    app.Config
 * @since     CakePHP(tm) v 0.2.9
 * @license    MIT License (http://www.opensource.org/licenses/mit-license.php)
 */
/**
 * Here, we are connecting '/' (base path) to controller called 'Pages',
 * its action called 'display', and we pass a param to select the view file
 * to use (in this case, /app/View/Pages/home.ctp)...
 */
  //Router::connect('/', array('controller' => 'pages', 'action' => 'display', 'home'));
  Router::connect('/', array('controller' => 'posts', 'action' => 'index'));
/**
 * ...and connect the rest of 'Pages' controller's urls.
 */
  Router::connect('/pages/*', array('controller' => 'pages', 'action' => 'display'));
/**
 * Load all plugin routes. See the CakePlugin documentation on 
 * how to customize the loading of plugin routes.
 */
  CakePlugin::routes();
/**
 * Load the CakePHP default routes. Only remove this if you do not want to use
 * the built-in default routes.
 */
  require CAKE . 'Config' . DS . 'routes.php';

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--
-- Table structure for table `posts`
--
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CREATE TABLE `posts` (
 `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
 `title` varchar(50) COLLATE utf8_unicode_ci DEFAULT NULL,
 `body` text COLLATE utf8_unicode_ci,
 `created` datetime DEFAULT NULL,
 `modified` datetime DEFAULT NULL,
 PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
/*!40101 SET character_set_client = @saved_cs_client */;
--
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--
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INSERT INTO `posts` VALUES (1,'The title','This is the post body.','2012-11-01 15:43:41',NULL),(2,'A title once again','And the post body follows.','2012-11-01 15:43:41',NULL),(3,'Title strikes back','This is really exciting! Not.','2012-11-01 15:43:41',NULL),(4,'ggjjkhkhhk','7777777777777777777777777\r\n777777777777777777777777','2012-11-01 20:16:28','2012-11-01 20:16:28');
/*!40000 ALTER TABLE `posts` ENABLE KEYS */;
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-- Dump completed on 2012-11-01 16:41:46