【设计模式】之抽象工厂模式-PHP

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最新推荐文章于 2024-10-15 11:10:24 发布

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本文链接：https://blog.youkuaiyun.com/qq_15974389/article/details/51076215

本文详细阐述了PHP中抽象工厂模式的应用，通过创建不同主题的输出、预约和留言接口，展示了如何使用抽象工厂模式生成一组平行的对象。

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【设计模式】之抽象工厂模式-PHP

<?php
/**
 * Factory
 * 抽象工厂模式 生成一组平行的对象
 */

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

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

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

abstract class factoryBase{
    abstract public function getIndexHeader();
    abstract public function getIndexFooter();
    abstract public function getOutputInstance(); //输出接口
    abstract public function getApptInstace();    //预约接口
    abstract public function getMegInstance();   //留言接口
}

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 GreenThemeOutput extends ThemeBase{
    public function output(){
        echo 'this is green theme!!<br />';
    }
}
class GreenApptOutput extends apptBase{
    public function output(){
        echo 'this is green appt!!<br />';
    }
}

class GreenMsgOutput extends msgBase{
    public function output(){
        echo 'this is green msg!!<br />';
    }
}
class redThemeFactory 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 getOutputInstance(){
        return new RedThemeOutput();
    }
    public function getApptInstace(){
        return new RedApptOutput();
    }
    public function getMegInstance(){
        return new RedMsgOutput();
    }
}

class greenThemeFactory extends factoryBase{
    public function getIndexHeader(){
        echo '<h1><font color="green">GREEN</font></h1>';
    }
    public function getIndexFooter(){
        echo '<h4>red@2010-01-01 -- '.date('Y-m-d').'</h4>';
    }
    public function getOutputInstance(){
        return new GreenThemeOutput();
    }

    public function getApptInstace(){
        return new GreenApptOutput();
    }
    public function getMegInstance(){
        return new GreenMsgOutput();
    }
}


$factoryRed = new redThemeFactory();
$redTheme = $factoryRed->getOutputInstance();
$redAppt = $factoryRed->getApptInstace();
$redMsg = $factoryRed->getMegInstance();
$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();

?>