<?php/***  类适配器模式*        以货币兑换为例**///美元计算类class DollarCalc{  private $dollar;  private $product;  private $service;  public $rate = 1;  public function requestCalc($product,$service)  {    $this->product = $product;    $this->service = $service;    $this->dollar = $this->product + $this->service;    return $this->requestTotal();  }  public function requestTotal()  {    $this->dollar *= $this->rate;    return $this->dollar;  }}//欧元计算类class EuroCalc{  private $euro;  private $product;  private $service;  public $rate = 1;  public function requestCalc($product,$service)  {    $this->product = $product;    $this->service = $service;    $this->euro = $this->product + $this->service;    return $this->requestTotal();  }  public function requestTotal()  {    $this->euro *= $this->rate;    return $this->euro;  }}//欧元适配器接口interface ITarget{  function requester();}//欧元适配器实现class EuroAdapter extends EuroCalc implements ITarget{  public function __construct()  {    $this->requester();  }  function requester()  {    $this->rate = .8111;    return $this->rate;  }}//客户类class Client{  private $euroRequest;  private $dollarRequest;  public function __construct()  {    $this->euroRequest = new EuroAdapter();    $this->dollarRequest = new DollarCalc();    $euro = "€";    echo "Euros: $euro" . $this->makeAdapterRequest($this->euroRequest) . "<br />";    echo "Dollars: $" . $this->makeDollarRequest($this->dollarRequest);  }  private function makeAdapterRequest(ITarget $req)  {    return $req->requestCalc(40,50);  }  private function makeDollarRequest(DollarCalc $req)  {    return $req->requestCalc(40,50);  }}$client = new Client();?>

<?php/***  对象适配器模式*         从桌面环境转向移动环境**///桌面布局接口interface IFormat{  public function formatCSS();  public function formatGraphics();  public function horizontalLayout();}//桌面布局类实现class Desktop implements IFormat{  public function formatCSS()  {    //调用桌面布局CSS文件  }  public function formatGraphics()  {    //调用图片  }  public function horizontalLayout()  {    //桌面水平布局  }}//移动布局接口interface IMobileFormat{  public function formatCSS();  public function formatGraphics();  public function verticalLayout();}//移动布局类实现class Mobile implements IMobileFormat{  public function formatCSS()  {    //调用移动布局CSS文件  }  public function formatGraphics()  {    //调用图片  }  public function verticalLayout()  {    //移动垂直布局  }}//移动布局适配器class MobileAdapter implements IFormat{  private $mobile;  public function __construct(IMobileFormat $mobile)  {    $this->mobile = $mobile;  }  public function formatCSS()  {    $this->mobile->formatCSS();  }  public function formatGraphics()  {    $this->mobile->formatGraphics();  }  public function horizontalLayout()  {    $this->mobile->verticalLayout();  }}//客户类class Client{  private $mobile;  private $mobileAdapter;  public function __construct()  {    $this->mobile = new Mobile();    $this->mobileAdapter = new MobileAdapter($this->mobile);    $this->mobileAdapter->formatCSS();    $this->mobileAdapter->formatGraphics();    $this->mobileAdapter->horizontalLayout();  }}$client = new Client();?>