echo '积分加' . $integral . '<br />';
}
}
class Observer1 implements SplObserver
{
public function update(SplSubject $subject)
{
$subject->setCount(1);
}
}
class Observer2 implements SplObserver
{
public function update(SplSubject $subject)
{
$subject->setIntegral(10);
}
}
//客户端
class Client
{
public static function test()
{
$subject = new Subject();
$subject->attach(new Observer1());
$subject->attach(new Observer2());
$subject->post();
//输出：数据量加1 积分加10
}
}
Client::test();
class Client
{
private $obj1 = null;
private $obj2 = null;
private $sub = null;
public function __construct()
{
$this->obj1 = new ObserverA();
$this->obj2 = new ObserverB();
$this->sub = new SubjectA();
}
public function test()
{
$this->sub->attach($this->obj1);
$this->sub->attach($this->obj2);
$this->sub->setState("working");
$this->sub->detach($this->ob2);
$this->sub->setState("studying");
$this->sub->detach($this->obj1);
$this->sub->setState("eating");
}
public function __destruct()
{
$obj1 = null;
$obj2 = null;
$obj3 = null;
}
}
$client = new Client();
$client->test();
$client = null;
function fn(Client $client)
{
$this->client = $client;
$this->client->test();
}
