PHP設(shè)計(jì)模式之外觀模式（Facade）入門與應(yīng)用詳解

?php
//外觀模式，通過(guò)在必須的邏輯和方法的集合前創(chuàng)建簡(jiǎn)單的外觀接口，外觀設(shè)計(jì)模式隱藏了來(lái)自調(diào)用對(duì)象的復(fù)雜性
class User {
 protected $userName;
 protected $userAge;
 public function setUserName($userName) {
 return $this->userName = $userName;
 }
 public function setUserAge($userAge) {
 return $this->userAge = $userAge;
 }
 public function getUser() {
 echo '用戶姓名：' . $this->userName . '； 用戶年齡：' . $this->userAge;
 }
}
//創(chuàng)建一個(gè)User 類調(diào)用接口，簡(jiǎn)化獲取用戶getUser方法的調(diào)用
class UserFacade {
 public static function getUserCall($userInfo) {
 $User = new User;
 $User->setUserName($userInfo['username']);
 $User->setUserAge($userInfo['userAge']);
 return $User->getUser();
 }
}
$userInfo = array('username' => 'initphp', 'userAge' => 12);
UserFacade::getUserCall($userInfo); //只要一個(gè)函數(shù)就能將調(diào)用類簡(jiǎn)化

//家電-冰箱
class BingXiang
{/*{{{*/
  public function buy()
  {
    echo "買冰箱\r\n";
  }
}/*}}}*/
//家電-洗衣機(jī)
class XiYiJi
{/*{{{*/
  public function buy()
  {
    echo "買洗衣機(jī)\r\n";
  }
}/*}}}*/
//家具-創(chuàng)
class Chuang
{/*{{{*/
  public function buy()
  {
    echo "買床\r\n";
  }
}/*}}}*/
//家具-衣柜
class YiGui
{/*{{{*/
  public function buy()
  {
    echo "買衣柜\r\n";
  }
}/*}}}*/
//商場(chǎng)(Facade)
class ShangChang
{/*{{{*/
  public $bingXiang;
  public $xiYiJi;
  public $chuang;
  public $yiGui;
  public function __construct()
  {
    $this->bingXiang = new BingXiang();
    $this->xiYiJi = new XiYiJi();
    $this->chuang = new Chuang();
    $this->yiGui = new YiGui();
  }
  //家電
  public function buyJiaDian()
  {/*{{{*/
    $this->bingXiang->buy();
    $this->xiYiJi->buy();
  }/*}}}*/
  //家具
  public function buyJiaJu()
  {/*{{{*/
    $this->chuang->buy();
    $this->yiGui->buy();
  }/*}}}*/
}/*}}}*/
class Client
{/*{{{*/
  public static function main($argv)
  {
    $shangChang = new ShangChang();
    //買家電
    $shangChang->buyJiaDian();
    //買家具
    $shangChang->buyJiaJu();
  }
}/*}}}*/
Client::main($argv);
?>