设计模式之工厂模式

<?php
interface Drink{
    function getDrinkName();
}

class AppleDrink implements Drink{
    function getDrinkName()
    {
        echo ‘苹果味饮料‘;
    }
}

class BananaDrink implements Drink{
    function getDrinkName()
    {
        echo ‘香蕉味饮料‘;
    }
}


interface FruitFactory{
    function makeDrink();
}

class AppleFactory implements FruitFactory{
    function makeDrink()
    {
        return new AppleDrink();
    }
}

class BananaFactory implements FruitFactory{
    function makeDrink()
    {
        return new BananaDrink();
    }
}

$appleFactory = new AppleFactory();
$apple = $appleFactory->makeDrink();
$apple->getDrinkName();

$bananaFactory = new BananaFactory();
$banana = $bananaFactory->makeDrink();
$banana->getDrinkName();