/** * 类级事件的程序处理 */ public function actionClass() { $person1 = new Person(); $person2 = new Person(); $processer = new Processer(); $child = new Child(); /*$person1->on(Person::ACTION_EAT, [$processer, 'cook']); $person2->on(Person::ACTION_EAT, [$processer, 'cook']);*/ /*类级事件处理*/ Event::on(Person::className(), Person::ACTION_EAT, [$processer, 'cook']); $person1->on(Person::ACTION_EAT, [$processer, 'order3']); $person1->eat(); echo Person::SEPARATOR; $person2->eat(); echo Person::SEPARATOR; $child->eat(); }