《Head First 设计模式》代码之PHP版(面向对象学习)第1/2页

ype);

$pizza->prepare();
$pizza->bake();
$pizza->cut();
$pizza->box();
return $pizza;
}

public abstract function createPizza($type);
}
class NYPizzaStore extends PizzaStore {
public function createPizza($type) {
$pizza = null;
$ingredientFactory = new NYPizzaIngredientFactory();
if ($type == "cheese") {
$pizza = new CheesePizza($ingredientFactory);
$pizza->setName(''New York Style Cheese Pizza'');
} elseif ($type == "veggie") {
$pizza = new VeggiePizza($ingredientFactory);
$pizza->setName(''New York Style Veggie Pizza'');
} elseif ($type == "clam") {
$pizza = new ClamPizza($ingredientFactory);
$pizza->setName(''New York Style Clam Pizza'');
} elseif ($type == "papperoni") {
$pizza = new PapperoniPizza($ingredientFactory);
$pizza->setName(''New York Style Papperoni Pizza'');
}
return $pizza;
}
}
class ChicagoPizzaStore extends PizzaStore {
public function createPizza($type) {
if ($type == "cheese") {
return new ChicagoStyleCheesePizza();
} elseif ($type == "veggie") {
return new ChicagoStyleVeggiePizza();
} elseif ($type == "clam") {
return new ChicagoStyleClamPizza();
} elseif ($type == "papperoni") {
return new ChicagoStylePapperoniPizza();
} else {
return null;
}
}
}
interface PizzaIngredientFactory {
public function createDough();
public function createSauce();
public function createCheese();
public function createVeggies();
public function createPepperoni();
public function createClam();
}
class NYPizzaIngredientFactory implements PizzaIngredientFactory {
public function createDough() {
return new ThinCrustDough();
}
public function createSauce() {
return new MarinaraSauce();
}
public function createCheese() {
return new ReggianoCheese();
}
public function createVeggies() {
$veggies = array(
new Garlic(),
new Onion(),
new Mushroom(),
new RedPepper(),
);
return $veggies;
}
public function createPepperoni() {
return new SlicedPepperoni();
}
public function createClam() {
return new FreshClams();
}
}
class ChicagoPizzaIngredientFactory implements PizzaIngredientFactory {
public function createDough() {
return new ThickCrustDough();
}
public function createSauce() {
return new PlumTomatoSauce();
}
public function createCheese() {
return new Mozzarella();
}
public function createVeggies() {
$veggies = array(
new BlackOlives(),
new Spinach(),
new EggPlant(),
);
return $veggies;
}
public function createPepperoni() {
return new SlicedPepperoni();
}
public function createClam() {
return new FrozenClams();
}
}
abstract class Pizza {
public $name;
public $dough;
public $sauce;
public $veggies = array();
public $cheese;
public $pepperoni;
public $clam;

public abstract function prepare();

public function bake() {
echo "Bake for 25 minutes at 350\n";
}

public function cut() {
echo "Cutting the pizza into diagonal slices\n";
}

public function box() {
echo "Place pizza in official PizzaStore box\n";
}

public function getName() {
return $this->name;
}

public function setName($name) {
$this->name = $name;
}

public function __toStr