Unity UI触摸监听

public class PlayerTouch : BehaviourBase, IDragHandler, IBeginDragHandler, IEndDragHandler
    {

        public void OnBeginDrag(PointerEventData data)
        {

        }

        public void OnDrag(PointerEventData data)
        {
           
        }

        public void OnEndDrag(PointerEventData data)
        {

        }
    }