本文实例讲述了基于CakePHP实现的简单博客系统。分享给大家供大家参考。具体实现方法如下:
PostsController.php文件:
<?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')); } } } ?>
Post.php文件:
<?php class Post extends AppModel { public $validate = array( 'title' => array( 'rule' => 'notEmpty' ), 'body' => array( 'rule' => 'notEmpty' ) ); } ?>
routes.php文件:
<?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';
blog.sql文件如下:
-- MySQL dump 10.13 Distrib 5.5.19, for Win64 (x86) -- -- Host: localhost Database: facebook -- ------------------------------------------------------ -- Server version 5.5.19 /*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */; /*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */; /*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */; /*!40101 SET NAMES utf8 */; /*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */; /*!40103 SET TIME_ZONE='+00:00' */; /*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */; /*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */; /*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */; /*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */; -- -- Table structure for table `posts` -- DROP TABLE IF EXISTS `posts`; /*!40101 SET @saved_cs_client = @@character_set_client */; /*!40101 SET character_set_client = utf8 */; 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 */; -- -- Dumping data for table `posts` -- LOCK TABLES `posts` WRITE; /*!40000 ALTER TABLE `posts` DISABLE KEYS */; 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 */; UNLOCK TABLES; -- -- Table structure for table `schema_migrations` -- DROP TABLE IF EXISTS `schema_migrations`; /*!40101 SET @saved_cs_client = @@character_set_client */; /*!40101 SET character_set_client = utf8 */; CREATE TABLE `schema_migrations` ( `version` varchar(255) COLLATE utf8_unicode_ci NOT NULL, UNIQUE KEY `unique_schema_migrations` (`version`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci; /*!40101 SET character_set_client = @saved_cs_client */; -- -- Dumping data for table `schema_migrations` -- LOCK TABLES `schema_migrations` WRITE; /*!40000 ALTER TABLE `schema_migrations` DISABLE KEYS */; INSERT INTO `schema_migrations` VALUES ('20121013024711'),('20121013030850'); /*!40000 ALTER TABLE `schema_migrations` ENABLE KEYS */; UNLOCK TABLES; /*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */; /*!40101 SET SQL_MODE=@OLD_SQL_MODE */; /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */; /*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */; /*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */; /*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */; /*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */; /*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */; -- Dump completed on 2012-11-01 16:41:46
希望本文所述对大家的php程序设计有所帮助。

PHP type prompts to improve code quality and readability. 1) Scalar type tips: Since PHP7.0, basic data types are allowed to be specified in function parameters, such as int, float, etc. 2) Return type prompt: Ensure the consistency of the function return value type. 3) Union type prompt: Since PHP8.0, multiple types are allowed to be specified in function parameters or return values. 4) Nullable type prompt: Allows to include null values and handle functions that may return null values.

In PHP, use the clone keyword to create a copy of the object and customize the cloning behavior through the \_\_clone magic method. 1. Use the clone keyword to make a shallow copy, cloning the object's properties but not the object's properties. 2. The \_\_clone method can deeply copy nested objects to avoid shallow copying problems. 3. Pay attention to avoid circular references and performance problems in cloning, and optimize cloning operations to improve efficiency.

PHP is suitable for web development and content management systems, and Python is suitable for data science, machine learning and automation scripts. 1.PHP performs well in building fast and scalable websites and applications and is commonly used in CMS such as WordPress. 2. Python has performed outstandingly in the fields of data science and machine learning, with rich libraries such as NumPy and TensorFlow.

Key players in HTTP cache headers include Cache-Control, ETag, and Last-Modified. 1.Cache-Control is used to control caching policies. Example: Cache-Control:max-age=3600,public. 2. ETag verifies resource changes through unique identifiers, example: ETag: "686897696a7c876b7e". 3.Last-Modified indicates the resource's last modification time, example: Last-Modified:Wed,21Oct201507:28:00GMT.

In PHP, password_hash and password_verify functions should be used to implement secure password hashing, and MD5 or SHA1 should not be used. 1) password_hash generates a hash containing salt values to enhance security. 2) Password_verify verify password and ensure security by comparing hash values. 3) MD5 and SHA1 are vulnerable and lack salt values, and are not suitable for modern password security.

PHP is a server-side scripting language used for dynamic web development and server-side applications. 1.PHP is an interpreted language that does not require compilation and is suitable for rapid development. 2. PHP code is embedded in HTML, making it easy to develop web pages. 3. PHP processes server-side logic, generates HTML output, and supports user interaction and data processing. 4. PHP can interact with the database, process form submission, and execute server-side tasks.

PHP has shaped the network over the past few decades and will continue to play an important role in web development. 1) PHP originated in 1994 and has become the first choice for developers due to its ease of use and seamless integration with MySQL. 2) Its core functions include generating dynamic content and integrating with the database, allowing the website to be updated in real time and displayed in personalized manner. 3) The wide application and ecosystem of PHP have driven its long-term impact, but it also faces version updates and security challenges. 4) Performance improvements in recent years, such as the release of PHP7, enable it to compete with modern languages. 5) In the future, PHP needs to deal with new challenges such as containerization and microservices, but its flexibility and active community make it adaptable.

The core benefits of PHP include ease of learning, strong web development support, rich libraries and frameworks, high performance and scalability, cross-platform compatibility, and cost-effectiveness. 1) Easy to learn and use, suitable for beginners; 2) Good integration with web servers and supports multiple databases; 3) Have powerful frameworks such as Laravel; 4) High performance can be achieved through optimization; 5) Support multiple operating systems; 6) Open source to reduce development costs.


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