PHP設(shè)計(jì)模式之建造者模式定義與用法簡(jiǎn)單示例

/**
* 產(chǎn)品類Person
*/
class Person
{
  public $_head;
  public $_body;
  public function setHead($head){
    $this->_head=$head;
  }
  public function getHead(){
    echo $this->_head;
  }
  public function setBody($body){
    $this->_body=$body;
  }
  public function getBody(){
    echo $this->_body;
  }
}
/*
抽象建造者：
定義的一個(gè)抽象接口，用于對(duì)具體建造者類進(jìn)行規(guī)范
*/
interface Builder{
  public function buildHead();
  public function buildBody();
  public function getResult();
}
/*
具體建造者：
用于實(shí)現(xiàn)具體建造者類
*/
class ConcreteBuilder implements Builder{
  public $person;
  public $data;
  public function __construct($data){
    $this->person=new Person();
    $this->data=$data;
  }
  public function buildHead(){
    $this->person->setHead($this->data['head']);
  }
  public function buildBody(){
    $this->person->setBody($this->data['body']);
  }
  public function getResult(){
    return $this->person;
  }
}
/*
導(dǎo)演者類：
用于調(diào)用具體建造者類創(chuàng)建產(chǎn)品類實(shí)例
*/
class Director{
  public function __construct(ConcreteBuilder $builder){
    $builder->buildHead();
    $builder->buildBody();
  }
}
/*
客戶端：
根據(jù)需求進(jìn)行邏輯處理
*/
$data=array(
  'head'=>'大頭兒子',
  'body'=>'身體棒棒噠'
  );
$builder=new ConcreteBuilder($data);
$director=new Director($builder);
$person=$builder->getResult();
echo $person->_head;
echo $person->_body;