PHP オブジェクト指向開発 - 抽象ファクトリー パターン

//生产引擎的标准
interface engineNorms{
	function engine();
}

class carEngine implements engineNorms{

	public function engine(){
		return '汽车引擎';
	}

}

class busEngine implements engineNorms{
	
	public function engine(){
		return '巴士车引擎';
	}
	
}

//生产车身的标准
interface bodyNorms{
	function body();
}

class carBody implements bodyNorms{

	public function body(){
		return '汽车车身';
	}

}

class busBody implements bodyNorms{
	
	public function body(){
		return '巴士车车身';
	}
	
}

//生产车轮的标准
interface whellNorms{
	function whell();
}

class carWhell implements whellNorms{

	public function whell(){
		return '汽车轮子';
	}

}

class busWhell implements whellNorms{
	
	public function whell(){
		return '巴士车轮子';
	}
	
}

//生产引擎的标准
interface engineNorms{
	function engine();
}

class carEngine implements engineNorms{

	public function engine(){
		return '汽车引擎';
	}

}

class busEngine implements engineNorms{
	
	public function engine(){
		return '巴士车引擎';
	}
	
}

//生产车身的标准
interface bodyNorms{
	function body();
}

class carBody implements bodyNorms{

	public function body(){
		return '汽车车身';
	}

}

class busBody implements bodyNorms{
	
	public function body(){
		return '巴士车车身';
	}
	
}

//生产车轮的标准
interface whellNorms{
	function whell();
}

class carWhell implements whellNorms{

	public function whell(){
		return '汽车轮子';
	}

}

class busWhell implements whellNorms{
	
	public function whell(){
		return '巴士车轮子';
	}
	
}


//工厂标准

interface factory
{
	
static public function getInstance($type);


}


//汽车工厂
class carFactory implements factory{
	

	
static public function getInstance($type){
		
$instance='';
		
switch($type){
			
case 'engine':
				
$instance=new carEngine();

				
break;
			
case 'body':
				
$instance=new carBody();
				
break;
			
case 'whell':
				
$instance=new carWhell();
				
break;	

			
default:
				

throw new Exception('汽车工厂无法生产这种产品');
		
}
		
return $instance;
	
}
	

}


//巴士车工厂

class busFactory implements factory{
	

	
static public function getInstance($type){
		
$instance='';
		
switch($type){
			
case 'engine':
				
$instance=new busEngine();
				
break;
			
case 'body':
				
$instance=new busBody();
				
break;
			
case 'whell':
				
$instance=new busWhell();
				
break;
			
default:
				
throw new Exception('巴士车工厂无法生产这种产品');
		
}
		
return $instance;
	
}
	

}


$car['engine']=carFactory::getInstance('engine')->engine();

$car['body']=carFactory::getInstance('body')->body();

$car['whell']=carFactory::getInstance('whell')->whell();
print_r($car);


$bus['engine']=busFactory::getInstance('engine')->engine();

$bus['body']=busFactory::getInstance('body')->body();

$bus['whell']=busFactory::getInstance('whell')->whell();
print_r($bus);