php设计模式_简单工厂2

来源：互联网发布：淘宝实名认证小号编辑：程序博客网时间：2024/06/07 22:39

<?phpclass 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!');    }   }

<?phpclass 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!');    }   }

<?phpclass UsPizzaA {    public function __construct () {        print_r('create UsPizzaA instance');    }       public function cook () {        print_r('cooking Uspizza!');    }       public function box () {        print_r('boxing Uspizza!');    }   }

<?phpclass UsPizzaB {    public function __construct () {        print_r('create UsPizzaB instance');    }       public function cook () {        print_r('cooking UspizzaB!');    }       public function box () {        print_r('boxing UspizzaB!');    }   }

<?phprequire '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;    }   }

<?phprequire '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;    }   }

<?phpabstract class PizzaStore {        public function orderPizza ($type) {        $pizza = $this->createPizza($type);            $pizza->cook();        $pizza->box();        return $pizza;    }       protected abstract function createPizza ($type) ;}

<?phprequire '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

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