PHP设计模式之装饰器模式实例详解

<?php
/**
 * Created by PhpStorm.
 * User: Jiang
 * Date: 2015/5/3
 * Time: 11:11
 */
/**组件对象接口
 * Interface IComponent
 */
interface IComponent
{
  function Display();
}
/**待装饰对象
 * Class Person
 */
class Person implements IComponent
{
  private $name;
  function __construct($name)
  {
    $this->name=$name;
  }
  function Display()
  {
    echo "装扮的：{$this->name}<br/>";
  }
}
/**所有装饰器父类
 * Class Clothes
 */
class Clothes implements IComponent
{
  protected $component;
  function Decorate(IComponent $component)
  {
    $this->component=$component;
  }
  function Display()
  {
    if(!empty($this->component))
    {
      $this->component->Display();
    }
  }
}
//------------------------------具体装饰器----------------
class PiXie extends Clothes
{
  function Display()
  {
    echo "皮鞋 ";
    parent::Display();
  }
}
class QiuXie extends Clothes
{
  function Display()
  {
    echo "球鞋 ";
    parent::Display();
  }
}
class Tshirt extends Clothes
{
  function Display()
  {
    echo "T恤 ";
    parent::Display();
  }
}
class Waitao extends Clothes
{
  function Display()
  {
    echo "外套 ";
    parent::Display();
  }
}

header("Content-Type:text/html;charset=utf-8");
//------------------------装饰器模式测试代码------------------
require_once "./Decorator/Decorator.php";
$Yaoming=new Person("姚明");
$aTai=new Person("A泰斯特");
$pixie=new PiXie();
$waitao=new Waitao();
$pixie->Decorate($Yaoming);
$waitao->Decorate($pixie);
$waitao->Display();
echo "<hr/>";
$qiuxie=new QiuXie();
$tshirt=new Tshirt();
$qiuxie->Decorate($aTai);
$tshirt->Decorate($qiuxie);
$tshirt->Display();