简单工厂模式

<?php 
interface Animal{ 
	public function say();
}

class Dog implements Animal{
	function say(){
		echo 'wangwang';
	}
}

class Person implements Animal{
	public function say(){
		echo 'hello world';
	}
}

class EasyFactory{ //简单工厂类
	public static function getAmimal($type) {
		$arr = array('Dog', 'Person');
		if (!in_array($type, $arr)) {
			echo 'no way';exit;
		}
		$animal = new $type;
		return $animal;
	}
}
$obj = EasyFactory::getAmimal('Dog1');
$obj = EasyFactory::getAmimal('Dog');
$obj->say();
$obj = EasyFactory::getAmimal('Person');
$obj->say();

<?php

interface Animal{

public function say();

}

class Dog implements Animal{

function say(){

echo 'wangwang';

}

class Person implements Animal{

public function say(){

echo 'hello world';

}

class EasyFactory{ //简单工厂类

public static function getAmimal($type) {

$arr = array('Dog', 'Person');

if (!in_array($type, $arr)) {

echo 'no way';exit;

}

$animal = new $type;

return $animal;

}

$obj = EasyFactory::getAmimal('Dog1');

$obj = EasyFactory::getAmimal('Dog');

$obj->say();

$obj = EasyFactory::getAmimal('Person');

$obj->say();

唐晓锋–BLOG

This is just a personal note.

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