php设计模式_简单工厂2-优快云博客

本文链接：https://blog.youkuaiyun.com/ghostyusheng/article/details/74991577

本文介绍了一种使用PHP实现的工厂模式，通过抽象类和具体类的组合，创建不同类型的披萨产品。展示了如何通过参数化的工厂方法来实例化不同的披萨对象，并执行烹饪和包装操作。

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<?php

class ChinaPizzaA {

    public function __construct () {
        print_r('create ChinaPizzaA instance');
    }   

    public function cook () {
        print_r('cooking ChinaA pizza!');
    }   

    public function box () {
        print_r('boxing ChinaA pizza!');
    }   
}

<?php

class ChinaPizzaB {

    public function __construct () {
        print_r('create CHinaPizzaB instance');
    }   

    public function cook () {
        print_r('cooking ChinaB pizza!');
    }   

    public function box () {
        print_r('boxing ChinaB pizza!');
    }   
}

<?php

class UsPizzaA {

    public function __construct () {
        print_r('create UsPizzaA instance');
    }   

    public function cook () {
        print_r('cooking Uspizza!');
    }   

    public function box () {
        print_r('boxing Uspizza!');
    }   
}

<?php

class UsPizzaB {

    public function __construct () {
        print_r('create UsPizzaB instance');
    }   

    public function cook () {
        print_r('cooking UspizzaB!');
    }   

    public function box () {
        print_r('boxing UspizzaB!');
    }   
}

<?php
require 'ChinaPizzaA.php';
require 'ChinaPizzaB.php';
require_once 'PizzaStore.php';

class ChinaPizzaStore extends PizzaStore {

    public function createPizza ($type) {
        $pizza = ''; 

        if ($type == 'PizzaA') {
            $pizza = new ChinaPizzaA();
        } elseif ($type == 'PizzaB') {
            $pizza = new ChinaPizzaB();
        }   

        return $pizza;
    }   
}

<?php
require 'UsPizzaA.php';
require 'UsPizzaB.php';
require_once 'PizzaStore.php';

class UsPizzaStore extends PizzaStore {

    public function createPizza ($type) {
        $pizza = ''; 

        if ($type == 'PizzaA') {
            $pizza = new UsPizzaA();
        } elseif ($type == 'PizzaB') {
            $pizza = new UsPizzaB();
        }   

        return $pizza;
    }   
}

<?php

abstract class PizzaStore {
    
    public function orderPizza ($type) {
        $pizza = $this->createPizza($type);
    
        $pizza->cook();
        $pizza->box();

        return $pizza;
    }   

    protected abstract function createPizza ($type) ;
}

<?php
require 'ChinaPizzaStore.php';
require 'UsPizzaStore.php';

$p_store = new ChinaPizzaStore();
$p_store->orderPizza('PizzaA');

$p_store = new UsPizzaStore();
$p_store->orderPizza('PizzaA');

说明：采用抽象方法createPizza 让子类的商店去继承强制让他实现这个方法从而保持框架低耦合性可控