UIGestureRecognizerDelegate设置响应事件优先级

/*
#UIGestureRecognizerDelegate
我在这里设置响应事件的优先级，因为UITap响应事件的优先级会高，则他的subview的事件会被阻止
*/
func gestureRecognizer(gestureRecognizer: UIGestureRecognizer!, shouldReceiveTouch touch: UITouch!)->Bool{
if touch.view == gestureRecognizer.view{
return true
}
return false
}