php设计模式之适配器模式原理、用法及注意事项(3)

<?php
abstract class Toy
{
  public abstract function openMouth();
  public abstract function closeMouth();
}
class Dog extends Toy
{
  public function openMouth()
  {
    echo "Dog open Mouth\n";
  }
  public function closeMouth()
  {
    echo "Dog close Mouth\n";
  }
}
class Cat extends Toy
{
  public function openMouth()
  {
    echo "Cat open Mouth\n";
  }
  public function closeMouth()
  {
    echo "Cat close Mouth\n";
  }
}
//目标角色:红枣遥控公司
interface RedTarget
{
  public function doMouthOpen();
  public function doMouthClose();
}
//目标角色:绿枣遥控公司及
interface GreenTarget
{
  public function operateMouth($type = 0);
}
//类适配器角色:红枣遥控公司
class RedAdapter implements RedTarget
{
  private $adaptee;
  function __construct(Toy $adaptee)
  {
    $this->adaptee = $adaptee;
  }
  //委派调用Adaptee的sampleMethod1方法
  public function doMouthOpen()
  {
    $this->adaptee->openMouth();
  }
  public function doMouthClose()
  {
    $this->adaptee->closeMouth();
  }
}
//类适配器角色:绿枣遥控公司
class GreenAdapter implements GreenTarget
{
  private $adaptee;
  function __construct(Toy $adaptee)
  {
    $this->adaptee = $adaptee;
  }
  //委派调用Adaptee：GreenTarget的operateMouth方法
  public function operateMouth($type = 0)
  {
    if ($type) {
      $this->adaptee->openMouth();
    } else {
      $this->adaptee->closeMouth();
    }
  }
}
class testDriver
{
  public function run()
  {
     //实例化一只狗玩具
    $adaptee_dog = new Dog();
    echo "给狗套上红枣适配器\n";
    $adapter_red = new RedAdapter($adaptee_dog);
    //张嘴
    $adapter_red->doMouthOpen();
    //闭嘴
    $adapter_red->doMouthClose();
    echo "给狗套上绿枣适配器\n";
    $adapter_green = new GreenAdapter($adaptee_dog);
    //张嘴
    $adapter_green->operateMouth(1);
    //闭嘴
    $adapter_green->operateMouth(0);
  }
}
$test = new testDriver();
$test->run();