工厂模式代码

<?php
/**
 * Created by PhpStorm.
 * User: Jerry
 * Date: 2019/10/26
 * Time: 16:23
 */

class  apple{
    public static function getFruit()
    {
        echo '吃大苹果';
    }

}
class  pear{
    public static function getFruit()
    {
        echo '吃大梨子';
    }

}
class FruitFactory{

    static function makeDrink($fruit){
        if ($fruit == 'apple'){
            return new apple();
        }elseif ($fruit == 'pear'){
            return new pear();
        }
    }
}
$factory = new FruitFactory();
$factory::makeDrink('apple');


//工厂 对扩展开放
interface fruit{
    public function getFruit();
}

class  apple implements fruit {
    public static function getFruit()
    {
        echo '吃大苹果';
    }

}
class  pear implements fruit {
    public static function getFruit()
    {
        echo '吃大梨子';
    }

}
interface factory{
    function makeDrinK();
}
class appleFactory implements factory {

     function makeDrink(){
        return new apple();
    }
}
//增加对应工厂


//抽象工厂


//抽象产品
interface apple {
    function taste();
}

interface pear {
    function taste();
}

//具体产品
class goodApple implements apple {

    function taste(){
        echo '好苹果好吃……';
    }
}

class badApple implements apple {

    function taste(){
        echo '坏苹果不好吃……';
    }
}

class goodPear implements pear {

    function taste(){
        echo '好梨好吃……';
    }
}

class badPear implements pear {

    function taste(){
        echo '坏梨不好吃……';
    }
}

interface FruitFactory {

    public function apple();
    public function pear();

}

//具体工厂
class GoodFruitFactory implements FruitFactory {

    function apple(){
        return new goodApple();
    }

    function pear(){
        return new goodPear();
    }
}

class BadFruitFactory implements FruitFactory {

    function apple(){
        return new badFruit();
    }

    function pear(){
        return new badFruit();
    }
}

//买家
class Man {

    public static function main() {
        self::buy(new GoodFruitFactory());
        self::buy(new BadFruitFactory());
    }

    public static function buy(FruitFactory $FruitFactory){
        $apple = $FruitFactory->apple();
        $apple->taste();

        $pear = $FruitFactory->pear();
        $pear->taste();
    }
}
Man::main();