PHP设计模式之抽象工厂模式实例分析

<?php
/**
 * Created by PhpStorm.
 * User: tiansi
 * Date: 18/1/23
 * Time: 下午5:10
 */
//工厂接口
interface FruitFactory{
  //生产饮料方法
  function makeAppleFruit();
  function makeBananaFruit();
}
//饮料接口
interface Fruit{
  function getFruitName();
}
class BaishiAppleFruit implements Fruit{
  function getFruitName()
  {
    echo '百事苹果味饮料';
  }
}
class BaishiBananaFruit implements Fruit{
  function getFruitName()
  {
    echo '百事香蕉味饮料';
  }
}
class ColeiAppleFruit implements Fruit{
  function getFruitName()
  {
    echo '可口可乐苹果味饮料';
  }
}
class ColeBananaFruit implements Fruit{
  function getFruitName()
  {
    echo '可口可乐香蕉味饮料';
  }
}
//百事饮料工厂
class BaishiFruitFactory implements FruitFactory{
  function makeAppleFruit()
  {
    //生产百事苹果饮料
    return new BaishiAppleFruit();
  }
  function makeBananaFruit()
  {
    //生产百事香蕉饮料
    return new BaishiBananaFruit();
  }
}
//可口可乐饮料工厂
class ColeFruitFactory implements FruitFactory{
  function makeAppleFruit()
  {
    //生产可口可乐苹果饮料
    return new ColeiAppleFruit();
  }
  function makeBananaFruit()
  {
    //生产可口可乐香蕉味饮料
    return new ColeBananaFruit();
  }
}
$baishi_factory = new BaishiFruitFactory();
$baishi_factory->makeAppleFruit()->getFruitName();
echo "<br/>";
$baishi_factory->makeBananaFruit()->getFruitName();
echo "<br/>";
$cole_factory = new ColeFruitFactory();
$cole_factory->makeAppleFruit()->getFruitName();
echo "<br/>";
$cole_factory->makeBananaFruit()->getFruitName();