public function __construct()
{
$carFactory = new CarFactory();
$shipFactory = new ShipFactory();
$smallCar = $carFactory->createSmallVehicle();
$bigCar = $carFactory->createBigVehicle();
$smallShip = $shipFactory->createSmallVehicle();
$bigShip = $shipFactory->createBigVehicle();
}
<?php
require 'cart.php';
$cart = array(CarFactory::create('Bmw'), CarFactory::create('xyzwtf'));
foreach ($cart as $car) {
$totalPrice += $car->getPrice();
}
echo "The total price for all the cars found in Cart is: {$totalPrice}";
public static function getCar($make, $model)
{
// Remember how to make the first character uppercase
$className = ucfirst(strtolower($model));
//echo '$className=' . $className;
// How do you make sure a class exists?
if (!class_exists($className)) {
// How do you throw exceptions?
throw new Exception($className . ' does not exist!');
}
// Remember how to dynamically instantiate objects
$obj = new $className();
$make = ucfirst($make);
// How do you make sure the parent class is valid?
if (!is_subclass_of($obj, $make)) {
throw new Exception($className . ' is not a subclass of ' . $make);
}
return $obj;
}
}
class Toyota
{
}
class Corolla extends Toyota
{
}
class Prius extends Toyota
{
}
$car = CarFactory::getCar('toyota', 'corolla');
print_r($car);
}
class ToyotaCorolla extends Car
{
}
class ToyotaCamry extends Car
{
}
class ToyotaCrx extends Car
{
}
class HondaCivic extends Car
{
}
class CarFactory
{
public static function getCar($make, $model, $color)
{
$make = ucfirst($make);
$model = ucfirst($model);
$className = $make . $model;
if (!class_exists($className)) {
throw new Exception($className . ' does not exist!');
}
$classObj = new $className($make, $model, $color);
return $classObj;
}
}
// -----------------------------------------------------------
$carObject = CarFactory::getCar('toyota', 'crx', 'black');
echo '<pre>';
print_r($carObject);
{
$model = ucfirst(strtolower($model));
if (!class_exists($model)) {
throw new Exception($model . ' is not a valid model');
}
$newCar = new $model();
$parent = get_parent_class($newCar);
$make = ucfirst(strtolower($make));
//can also use is_subclass_of($child, $parent)
if ($parent != $make) {
throw new Exception($make . ' is not a valid make for this model');
}
return $newCar;
}
}
class Toyota
{
}
class Corolla extends Toyota
{
}
class Prius extends Toyota
{
}
try {
$prius = CarFactory::getCar('Honda', 'Prius');
echo '<pre>';
print_r($prius);
} catch (Exception $e) {
echo $e->getMessage();
}
class CarFactory
{
public static function getCar($make, $model)
{
if ($make == 'corolla') {
return new Corolla($model);
} elseif ($make == 'camry') {
return new Camry($model);
} else {
throw new NotImplementedException($make . ' is not defined!');
}
}
}
try {
$corolla = CarFactory::getCar('corolla', 'DX');
$camry = CarFactory::getCar('camry', 'LX');
echo 'Corollas Torque: ' . $corolla->getTorque() . '<br/>';
echo 'Camrys Torque: ' . $camry->getTorque() . '<br/>';
} catch (NotImplementedException $exceptionObject) {
echo '<p style="color:red;">' . $exceptionObject->getMessage() . '</p>';
} catch (DeveloperException $devException) {
// Something caught on fire
} catch (GooglePaymentFailedException $googleException) {
// Send out SMS alerts, ring the phones, dim the lights
}
class UserException extends Exception
{
}
class DeveloperException extends Exception
{
}
echo '<pre>';
print_r($carObject);
$parentClass = get_parent_class($carObject);
// you will need to instantiate this prior
if (ucfirst($make) != $parentClass) {
throw new Exception($make . ' is not valid for ' . $model);
}
return $carObject;
// print_r('$parentClass= ' . $parentClass);
// echo '$className= ' . $className . '</br>';
}
}
abstract class Toyota
{
}
class Corolla extends Toyota
{
}
class Camry extends Toyota
{
}
class Prius extends Toyota
{
}
try {
$car = CarFactory::getCar('honda', 'corolla');
echo '<pre>';
print_r($car);
} catch (Exception $e) {
echo '<font color="red">' . $e->getMessage() . '</font>';
}
<?php require_once 'imports.php'; // I want an economical car, coloured blue... $car_factory = new CarFactory(); $car = $car_factory->build(VehicleFactory::ECONOMICAL, Vehicle::BLUE); // I am a "white van man"... $van_factory = new VANFactory(); $van = $van_factory->build(VehicleFactory::POWERFUL, Vehicle::WHITE); // Create a red sports car $sporty = VehicleFactory::make(VehicleFactory::CAR, VehicleFactory::POWERFUL, Vehicle::RED); ?> <html> <body> <p><?php echo $car; ?> </p> <p><?php echo $van; ?> </p> <p><?php echo $sporty; ?> </p> </body> </html>
if (!class_exists($className)) {
throw new Exception($className . ' has not been created!');
}
// Instantiate the class dynamically
$carObject = new $className();
$parentClass = get_parent_class($carObject);
if (ucfirst($make) != $parentClass) {
throw new Exception($make . ' is not valid for ' . $model);
}
return $carObject;
}
}
abstract class Toyota
{
}
class Corolla extends Toyota
{
}
class Camry extends Toyota
{
}
class Prius extends Toyota
{
}
try {
$car = CarFactory::getCar('toyota', 'civic');
echo '<pre>';
print_r($car);
} catch (Exception $whatevs) {
echo '<font color="red">' . $whatevs->getMessage() . '</font>';
}
class Aveo implements Conveyor
{
public function buildEngine()
{
echo "<p>Aveo engine built</p>";
}
public function attachWheels()
{
echo "<p>Aveo wheels attached</p>";
}
public function testing()
{
echo "<p>Aveo tested</p>";
}
}
class CarFactory
{
public static function factory($car)
{
$className = $car;
$object = new $className();
return $object;
}
}
$autoList = ['lanos', 'lanos', 'aveo'];
foreach ($autoList as $auto) {
$obj = CarFactory::factory($auto);
$obj->buildEngine();
$obj->attachWheels();
$obj->testing();
}
<?php
header('Content-Type:text/html;charset=utf-8');
/*
* 简单工厂设计模式【买车】
* Author: Kaysen
*/
define('ROOT_PATH', dirname(__FILE__));
require_once ROOT_PATH . '/../../Loader.php';
$test = CarFactory::BuyCar('Audi', 'Comfort');
var_dump($test);
public function testFactoryReturnsAnObject()
{
$car = CarFactory::create('carThatDoesNotExist');
$this->assertEquals(0, $car->getPrice());
}
