PHP設計模式之簡單投訴頁面實例
更新時間:2016年02月24日 11:10:55 作者:依夢為馬
這篇文章主要為大家詳細介紹了PHP設計模式下簡單投訴頁面實例,感興趣的小伙伴們可以參考一下
本文實例介紹了PHP簡單投訴頁面的實現(xiàn)代碼,分享給大家供大家參考,具體內容如下
php代碼:
<?php /* * 設計模式練習 * 1.數(shù)據(jù)庫連接類(單例模式) * 2.調用接口實現(xiàn)留言本功能(工廠模式) * 3.實現(xiàn)分級舉報處理功能(責任鏈模式) * 4.發(fā)送不同組合的舉報信息(橋接模式) * 5.發(fā)送不同格式的舉報信息(適配器模式) * 6.在投訴內容后自動追加時間(裝飾器模式) * 7.根據(jù)會員登錄信息變換顯示風格(觀察者模式) * 8.根據(jù)發(fā)帖長度加經驗值(策略模式) */ interface DB { function conn(); } /** * 單例模式 */ class MysqlSingle implements DB { protected static $_instance = NULL; public static function getInstance() { if (!self::$_instance instanceof self) { self::$_instance = new self; } return self::$_instance; } final protected function __construct() { echo 'Mysql單例創(chuàng)建成功<br>'; } final protected function __clone() { return false; } public function conn() { echo 'Mysql連接成功<br>'; } } /** * 工廠模式 */ interface Factory { function createDB(); } class MysqlFactory implements Factory { public function createDB() { echo 'Mysql工廠創(chuàng)建成功<br>'; return MysqlSingle::getInstance(); } } /** * 根據(jù)用戶名顯示不同風格 * 觀察者模式 */ class Observer implements SplSubject { protected $_observers = NULL; public $_style = NULL; public function __construct($style) { $this->_style = $style; $this->_observers = new SplObjectStorage(); } public function show() { $this->notify(); } public function attach(SplObserver $observer) { $this->_observers->attach($observer); } public function detach(SplObserver $observer) { $this->_observers->detach($observer); } public function notify() { $this->_observers->rewind(); while ($this->_observers->valid()) { $observer = $this->_observers->current(); $observer->update($this); $this->_observers->next(); } } } class StyleA implements SplObserver { public function update(SplSubject $subject) { echo $subject->_style . ' 模塊A<br>'; } } class StyleB implements SplObserver { public function update(SplSubject $subject) { echo $subject->_style . ' 模塊B<br>'; } } /** * 根據(jù)不同方式進行投訴 * 橋接模式 */ class Bridge { protected $_obj = NULL; public function __construct($obj) { $this->_obj = $obj; } public function msg($type) { } public function show() { $this->msg(); $this->_obj->msg(); } } class BridgeEmail extends Bridge { public function msg() { echo 'Email>>'; } } class BridgeSms extends Bridge { public function msg() { echo 'Sms>>'; } } class Normal { public function msg() { echo 'Normal<br>'; } } class Danger { public function msg() { echo 'Danger<br>'; } } /** * 適配器模式 */ class Serialize { public $content = NULL; public function __construct($content) { $this->content = serialize($content); } public function show() { return '序列化格式:<br>' . $this->content; } } class JsonAdapter extends Serialize { public function __construct($content) { parent::__construct($content); $tmp = unserialize($this->content); $this->content = json_encode($tmp, TRUE); } public function show() { return 'Json格式:<br>' . $this->content; } } /** * 在投訴內容后自動追加 * 裝飾器模式 */ class Base { protected $_content = NULL; public function __construct($content) { $this->_content = $content; } public function getContent() { return $this->_content; } } class Decorator { private $_base = NULL; public function __construct(Base $base) { $this->_base = $base; } public function show() { return $this->_base->getContent() . '>>系統(tǒng)時間:' . date('Y-m-d H:i:s', time()); } } /** * 分級舉報處理功能 * 責任鏈模式 */ class level1 { protected $_level = 1; protected $_top = 'Level2'; public function deal($level) { if ($level <= $this->_level) { echo '處理級別:1<br>'; return; } $top = new $this->_top; $top->deal($level); } } class level2 { protected $_level = 2; protected $_top = 'Level3'; public function deal($level) { if ($level <= $this->_level) { echo '處理級別:2<br>'; return; } $top = new $this->_top; $top->deal($level); } } class level3 { protected $_level = 3; protected $_top = 'Level2'; public function deal($level) { echo '處理級別:3<br>'; return; } } if (!empty($_POST)) { echo '<h1>PHP設計模式</h1>'; //連接數(shù)據(jù)庫——工廠+單例模式 $mysqlFactory = new MysqlFactory(); $single = $mysqlFactory->createDB(); $single->conn(); echo '<br>'; //觀察者模式 $username = $_POST['username']; $ob = new Observer($username); $a = new StyleA(); $ob->attach($a); $b = new StyleB(); $ob->attach($b); $ob->show(); echo '<br>'; $ob->detach($b); $ob->show(); echo '<br>'; //橋接模式 $typeM = $_POST['typeM']; $typeN = 'Bridge' . $_POST['typeN']; $obj = new $typeN(new $typeM); $obj->show(); echo '<br>'; //適配器模式 $post = $_POST; $obj = new Serialize($post); echo $obj->show(); echo '<br>'; $json = new JsonAdapter($post); echo $json->show(); echo '<br>'; echo '<br>'; //裝飾器模式 $content = $_POST['content']; $decorator = new Decorator(new Base($content)); echo $decorator->show(); echo '<br>'; //責任鏈模式 echo '<br>'; $level = $_POST['level']; $deal = new Level1(); $deal->deal(intval($level)); return; } require("0.html");
html代碼:
<!DOCTYPE html> <!-- To change this license header, choose License Headers in Project Properties. To change this template file, choose Tools | Templates and open the template in the editor. --> <html> <head> <title>PHP設計模式</title> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <style> div{border:solid gray 1px;margin-top:10px;height: 100px;width: 200px;} </style> </head> <body> <form action="0.php" method="post"> <h1>用戶名</h1> <select id="username" name="username"> <option value="Tom">Tom</option> <option value="Lily">Lily</option> </select> <h1>投訴方式</h1> <select id="type" name="typeM"> <option value="Normal">Normal</option> <option value="Danger">Danger</option> </select> <select id="type" name="typeN"> <option value="Email">Email</option> <option value="Sms">Sms</option> </select> <h1>處理級別</h1> <select id="level" name="level"> <option value="1">1</option> <option value="2">2</option> <option value="3">3</option> </select> <h1>投訴內容</h1> <textarea id="content" name="content" rows="3"></textarea> <button type="submit">提交</button> </form> </body> </html>
以上就是本文的全部內容,希望對大家的學習有所幫助。
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