PHP设计模式之模板方法模式实例浅析

<?php
/**
 * 模型方法模式
 */
abstract class ACar {
  abstract protected function start();
  abstract protected function engineBoom();
  abstract protected function alarm();
  abstract protected function stop();
  public function run() {
    $this->start();
    $this->engineBoom();
    $this->alarm();
    $this->stop();
  }
}
final class Benz extends ACar {
  protected function start() {
    echo \'Benz start\' . PHP_EOL;
  }
  protected function engineBoom() {
    echo \'Benz engine boom\' . PHP_EOL;
  }
  protected function alarm() {
    echo \'Benz alarm\' . PHP_EOL;
  }
  protected function stop() {
    echo \'Benz stop\' . PHP_EOL;
  }
}
final class BMW extends ACar {
  protected function start() {
    echo \'BMW start\' . PHP_EOL;
  }
  protected function engineBoom() {
    echo \'BMW engine boom\' . PHP_EOL;
  }
  protected function alarm() {
    echo \'BMW alarm\' . PHP_EOL;
  }
  protected function stop() {
    echo \'BMW stop\' . PHP_EOL;
  }
  // 修改顺序
  public function run() {
    $this->start();
    $this->alarm();
    $this->engineBoom();
    $this->stop();
  }
}
class Client {
  public static function run() {
    $benz = new Benz();
    $benz->run();
    $bmw = new BMW();
    $bmw->run();
  }
}
Client::run();