本文实例介绍了PHP简单投诉页面的实现代码,分享给大家供大家参考,具体内容如下
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<?php /* * 设计模式练习 * 1.数据库连接类(单例模式) * 2.调用接口实现留言本功能(工厂模式) * 3.实现分级举报处理功能(责任链模式) * 4.发送不同组合的举报信息(桥接模式) * 5.发送不同格式的举报信息(适配器模式) * 6.在投诉内容后自动追加时间(装饰器模式) * 7.根据会员登录信息变换显示风格(观察者模式) * 8.根据发帖长度加经验值(策略模式) */ interface DB { function conn(); } /** * 单例模式 */ 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单例创建成功<br>' ; } final protected function __clone() { return false; } public function conn() { echo 'Mysql连接成功<br>' ; } } /** * 工厂模式 */ interface Factory { function createDB(); } class MysqlFactory implements Factory { public function createDB() { echo 'Mysql工厂创建成功<br>' ; return MysqlSingle::getInstance(); } } /** * 根据用户名显示不同风格 * 观察者模式 */ 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 . ' 模块A<br>' ; } } class StyleB implements SplObserver { public function update(SplSubject $subject ) { echo $subject ->_style . ' 模块B<br>' ; } } /** * 根据不同方式进行投诉 * 桥接模式 */ 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>' ; } } /** * 适配器模式 */ 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; } } /** * 在投诉内容后自动追加 * 装饰器模式 */ 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() . '>>系统时间:' . date ( 'Y-m-d H:i:s' , time()); } } /** * 分级举报处理功能 * 责任链模式 */ class level1 { protected $_level = 1; protected $_top = 'Level2' ; public function deal( $level ) { if ( $level <= $this ->_level) { echo '处理级别: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 '处理级别:2<br>' ; return ; } $top = new $this ->_top; $top ->deal( $level ); } } class level3 { protected $_level = 3; protected $_top = 'Level2' ; public function deal( $level ) { echo '处理级别:3<br>' ; return ; } } if (! empty ( $_POST )) { echo '<h1>PHP设计模式</h1>' ; //连接数据库——工厂+单例模式 $mysqlFactory = new MysqlFactory(); $single = $mysqlFactory ->createDB(); $single ->conn(); echo '<br>' ; //观察者模式 $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>' ; //桥接模式 $typeM = $_POST [ 'typeM' ]; $typeN = 'Bridge' . $_POST [ 'typeN' ]; $obj = new $typeN ( new $typeM ); $obj ->show(); echo '<br>' ; //适配器模式 $post = $_POST ; $obj = new Serialize( $post ); echo $obj ->show(); echo '<br>' ; $json = new JsonAdapter( $post ); echo $json ->show(); echo '<br>' ; echo '<br>' ; //装饰器模式 $content = $_POST [ 'content' ]; $decorator = new Decorator( new Base( $content )); echo $decorator ->show(); echo '<br>' ; //责任链模式 echo '<br>' ; $level = $_POST [ 'level' ]; $deal = new Level1(); $deal ->deal( intval ( $level )); return ; } require ( "0.html" ); |
html代码:
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<!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设计模式</ 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 >用户名</ h1 > < select id = "username" name = "username" > < option value = "Tom" >Tom</ option > < option value = "Lily" >Lily</ option > </ select > < h1 >投诉方式</ 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 >处理级别</ h1 > < select id = "level" name = "level" > < option value = "1" >1</ option > < option value = "2" >2</ option > < option value = "3" >3</ option > </ select > < h1 >投诉内容</ h1 > < textarea id = "content" name = "content" rows = "3" ></ textarea > < button type = "submit" >提交</ button > </ form > </ body > </ html > |
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