<?php
//工厂模式:用于创建合适的对象
//使用这种模式每次都得自己去构建对象,调用合适的方法
class WorkerFactory{
public static function createWorker($type){
$className = ucwords(strtolower($type));
$className .= "Worker";
return new $className();
}
}
class BlueWorker{
public function say(){
echo "我是蓝领工人\n";
}
}
class WhiteWorker{
public function say(){
echo "我是白领工人\n";
}
}
class GlodenWorker{
public function say(){
echo "我是金领工人\n";
}
}
WorkerFactory::createWorker("blue")->say();
WorkerFactory::createWorker("white")->say();
WorkerFactory::createWorker("gloden")->say();
转载于:https://my.oschina.net/u/218155/blog/598766