<?php

/**
 * 抽象鸟的建造者(生成器)
 * User: huy
 * Date: 2017年3月21日
 * Time: 20:43
 */
include 'bird.class.php';

abstract class BirdBuild{
 public $_bird;

 function __construct(){
 $this->_bird = new Bird();
 }

 abstract function buildHead();

 abstract function buildWing();

 abstract function buildFoot();

 abstract function getBird();
}