php设计模式Command(命令模式)_PHP教程

内容导读

互联网集市收集整理的这篇技术教程文章主要介绍了php设计模式Command(命令模式)_PHP教程，小编现在分享给大家，供广大互联网技能从业者学习和参考。文章包含2378字，纯文字阅读大概需要4分钟。

内容图文

代码如下:

<?php 
/** 
* 命令模式 
* 
* 将一个请求封装为一个对象从而使你可用不同的请求对客户进行参数化,对请求排除或记录请求日志,以及支持可取消的操作 
*/ 
interface Command 
{ 
public function execute(); 
} 

class Invoker 
{ 
private $_command = array(); 
public function setCommand($command) { 
$this->_command[] = $command; 
} 

public function executeCommand() 
{ 
foreach($this->_command as $command) 
{ 
$command->execute(); 
} 
} 

public function removeCommand($command) 
{ 
$key = array_search($command, $this->_command); 
if($key !== false) 
{ 
unset($this->_command[$key]); 
} 
} 
} 

class Receiver 
{ 
private $_name = null; 

public function __construct($name) { 
$this->_name = $name; 
} 

public function action() 
{ 
echo $this->_name." action
"; 
} 

public function action1() 
{ 
echo $this->_name." action1
"; 
} 
} 

class ConcreteCommand implements Command 
{ 
private $_receiver; 
public function __construct($receiver) 
{ 
$this->_receiver = $receiver; 
} 

public function execute() 
{ 
$this->_receiver->action(); 
} 
} 

class ConcreteCommand1 implements Command 
{ 
private $_receiver; 
public function __construct($receiver) 
{ 
$this->_receiver = $receiver; 
} 

public function execute() 
{ 
$this->_receiver->action1(); 
} 
} 

class ConcreteCommand2 implements Command 
{ 
private $_receiver; 
public function __construct($receiver) 
{ 
$this->_receiver = $receiver; 
} 

public function execute() 
{ 
$this->_receiver->action(); 
$this->_receiver->action1(); 
} 
} 


$objRecevier = new Receiver("No.1"); 
$objRecevier1 = new Receiver("No.2"); 
$objRecevier2 = new Receiver("No.3"); 

$objCommand = new ConcreteCommand($objRecevier); 
$objCommand1 = new ConcreteCommand1($objRecevier); 
$objCommand2 = new ConcreteCommand($objRecevier1); 
$objCommand3 = new ConcreteCommand1($objRecevier1); 
$objCommand4 = new ConcreteCommand2($objRecevier2); // 使用 Recevier的两个方法 

$objInvoker = new Invoker(); 
$objInvoker->setCommand($objCommand); 
$objInvoker->setCommand($objCommand1); 
$objInvoker->executeCommand(); 
$objInvoker->removeCommand($objCommand1); 
$objInvoker->executeCommand(); 

$objInvoker->setCommand($objCommand2); 
$objInvoker->setCommand($objCommand3); 
$objInvoker->setCommand($objCommand4); 
$objInvoker->executeCommand(); 

http://www.bkjia.com/PHPjc/323605.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/323605.htmlTechArticle 代码如下:
?php /** * 命令模式 * * 将一个请求封装为一个对象从而使你可用不同的请求对客户进行参数化,对请求排除或记录请求日...




           
                
                                                

内容总结

以上是互联网集市为您收集整理的php设计模式Command(命令模式)_PHP教程全部内容，希望文章能够帮你解决php设计模式Command(命令模式)_PHP教程所遇到的程序开发问题。 如果觉得互联网集市技术教程内容还不错，欢迎将互联网集市网站推荐给程序员好友。

内容备注

版权声明：本文内容由互联网用户自发贡献，该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容， 请发送邮件至 gblab@vip.qq.com 举报，一经查实，本站将立刻删除。

内容手机端

---