//老版本cocos2d-x 2.x

addTouchEventListener(this, toucheventselector(MyLayer::touchEvent));

void touchEvent(cocos2d::Ref* pSender,cocos2d::ui::TouchEventType type)

//新版本cocos2d-x 3.x

addTouchEventListener( CC_CALLBACK_2( MyLayer::touchEvent,this ));

void touchEvent(cocos2d::Ref* pSender,cocos2d::ui::Widget::TouchEventType type);