php设计模式五----适配器模式

// 适配器模式

// 1. 源角色
abstract class Toy{
    public abstract function openMonth();

    public abstract function closeMonth();
}

class Dog extends Toy{

    public function openMonth(){
        echo "Dog open Mouth\n";
    }

    public function closeMonth(){
        echo "Dog close Mouth \n";
    }
}

class Cat extends Toy{

    public function openMonth(){
        echo ‘Cat open Mouth \n ‘;
    }

    public function closeMonth(){
        echo ‘Cat close Mouth\n‘;
    }
}

// 2.目标角色：红枣公司
interface RedTarget{

    public function doMouthOpen();

    public function doMouthClose();
}

// 目标角色：绿枣公司
interface GreenTarget{
    public function operateMouth( $type = 0 );
}

// 3 适配器角色：红枣公司
class RedAdapter implements RedTarget{
    private $adaptee;

    public function __construct( Toy $adaptee ){
        $this->adaptee = $adaptee;
    }

    public function doMouthOpen(){
        $this->adaptee->openMonth();
    }

    public function doMouthClose(){
        $this->adaptee->closeMonth();
    }
}

// 绿枣公司
class GreenAdapter implements GreenTarget{

    private $adaptee;

    public function __construct(){
        $this->adaptee = $adaptee;
    }

    public function operateMouth( $type = 0 ){
        if($type){
            $this->adaptee->openMouth();
        }else {
            $this->adaptee->closeMouth();
        }
    }
}

$adaptee_dog = new Dog();

$adapter_red = new RedAdapter( $adaptee_dog );

$adapter_red->doMouthOpen();

$adapter_red->doMouthClose();