PHP观察者模式_PHP教程

 Observed   
     ->_observers = 
      attach(SplObserver ->_observers->attach(
      detach(SplObserver ->_observers->detach(
     (->_observers  ->showMessage(
      setName(->_name = ->
      ->
      setAge(->age = (->_observers  ->showAge(->_name,->
 Observer 
      showMessage(SplSubject  = ->(==='admin' '您好, ',,'欢迎您进入管理后台
' "你好, '' 你已经被添加到了用户列表
"
      update(SplSubject 
      showAge(, "" =  Observed();  
 =  Observer(); 
->attach();
->setName('张三'); notify();
* 通过调用  $this->notify()就会调用 $observer->showMessage($this)方法,
* 即每个观察者对象的 showMessage($obj)方法;

->setName('admin'->setAge(24);

http://www.bkjia.com/PHPjc/440273.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/440273.htmlTechArticleObserved -_observers = attach(SplObserver -_observers-attach( detach(SplObserver -_observers-detach( ( -_observers -showMessage( setName( -_name = - - setAge( -age = ( -_observers...