<?php

//手机抽象基类

abstract class MobilePhone{

//通过型号获取手机的价格

public function getPrice($version){

}

//根据型号卖手机

public function sell($version){

}

}

//生产者 生产手机并为手机定价的厂商

class IphoneProduce extends MobilePhone{

private $price;

public function getPrice($version){

$price=4888;

switch ($version) {

case '6':

$price=5288;

break;

case '6S':

$price=5588;

break;

default:

$price=4888;

}

$this->price=$price;

return $this->price;

}

public function sell($version){

echo "Produce sell a $version iPhone with $this->price!\n";

}

}

//生产者 生产手机并为手机定价的厂商

class MiPhoneProduce extends MobilePhone{

private $price;

public function getPrice($version){

$price=4888;

switch ($version) {

case '4':

$price=2288;

break;

case '2S':

$price=1288;

break;

default:

$price=988;

}

$this->price=$price;

return $this->price;

}

public function sell($version){

echo "Produce sell a $version MiPhone with $this->price!\n";

}

}

//代理商

class ProxyProduce extends MobilePhone{

private $produce;

private $price;

public function getProduce(){

// 延时加载对象，第一次用的时候才会真正创建

if(!$this->produce instanceof IphoneProduce){

$this->produce=new IphoneProduce();

}

return $this->produce;

}

public function getPrice($version){

//代理可以在这增加逻辑，需求逻辑变更的时候 比如价格要增加2000，

$this->price=$this->getProduce()->getPrice($version)+2000;

return $this->price;

}

public function sell($version){

//逻辑在这

echo "ProxyProduce sell a $version iPhone with $this->price!\n";

}

}

//动态代理

class DynamicProxy{

public function __construct($produce){

$this->produce=$produce;

}

public function __call($name,$args){

//$args 是一个数组

//这里也可以加上逻辑，小米的手机加多少钱，iphone加多少钱

return call_user_func_array(array($this->produce,$name),$args);

}

}

//require dirname(__FILE__).'/MobilePhone.class.php';

//require dirname(__FILE__).'/IphoneProduce.class.php';

//require dirname(__FILE__).'/MiPhoneProduce.class.php';

//require dirname(__FILE__).'/ProxyProduce.class.php';

//require dirname(__FILE__).'/DynamicProxy.class.php';

$iphoneProduce=new IphoneProduce();

$price=$iphoneProduce->getPrice('6');

$iphoneProduce->sell('6');

//代理模式 可以加钱

$proxyProduce=new ProxyProduce();

$price=$proxyProduce->getPrice('6S');

$proxyProduce->sell('6S');

//动态代理，可以随时代理iphone或者mi

$miPhoneProduce=new MiPhoneProduce();

$dynamic=new DynamicProxy($miPhoneProduce);

$dynamic->getPrice('4');

$dynamic->sell('4');

$iphoneProduce=new IphoneProduce();

$dynamic=new DynamicProxy($iphoneProduce);

$dynamic->getPrice('6S');

$dynamic->sell('6S');