【设计模式】抽象工厂模式（二）- PHP-优快云博客

本文通过PHP代码实现了一种抽象工厂模式的变体，展示了如何创建不同主题风格的应用组件，包括主题、应用特性和消息输出等，并通过具体实例RedFactory演示了如何根据不同需求生成相应的对象。

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设计模式

<?php
/**
 * Factory 抽象工厂的一种变形
 */

abstract class ThemeBase{
    abstract public function  output();
}

abstract class apptBase{
    abstract public function output();
}

abstract class msgBase{
    abstract public function output();
}

abstract class factoryBase{
    const  THEME = 1;
    const  ATTP = 2;
    const  MSG = 3;
    abstract public function getIndexHeader();
    abstract public function getIndexFooter();
    abstract function make($type);
}

class RedThemeOutput extends ThemeBase{
    public function output(){
        echo 'this is red theme!!<br />';
    }
}


class RedApptOutput extends apptBase{
    public function output(){
        echo 'this is red appt !! <br />';
    }
}

class RedMsgOutput extends msgBase{
    public function output(){
        echo 'this is red msg !! <br />';
    }
}

class RedFactory extends factoryBase{
    public function getIndexHeader(){
        echo '<h1><font color="red">RED</font></h1>';
    }
    public function getIndexFooter(){
        echo '<h4>red@2010-01-01 -- '.date('Y-m-d').'</h4>';
    }

    public function make($type){
        switch($type){
            case self::ATTP :
                //TODO
                return new RedApptOutput();
                break;
            case self::THEME :
                //TODO
                return new RedThemeOutput();
                break;
            case self::MSG :
                //TODO
                return new RedMsgOutput();
                break;
            default :
                throw new Exception('NOT ALLOW REQUEST!');
        }
    }
}


$factoryRed = new RedFactory();
$redTheme = $factoryRed->make(factoryBase::THEME);
$redAppt = $factoryRed->make(factoryBase::ATTP);
$redMsg = $factoryRed->make(factoryBase::MSG);
$factoryRed->getIndexHeader();
$redTheme->output();
$redAppt->output();
$redMsg->output();
$factoryRed->getIndexFooter();

/*$factoryGreen = new greenThemeFactory();
$greenTheme = $factoryGreen->getOutputInstance();
$greenAppt = $factoryGreen->getApptInstace();
$greenMsg = $factoryGreen->getMegInstance();
$factoryGreen->getIndexHeader();
$greenTheme->output();
$greenAppt->output();
$greenMsg->output();
$factoryGreen->getIndexFooter();*/

?>