单点触摸：按下，移动，松开

function FightScene:onTouchBegan(touch,event)
    print("触摸开始")
    return true
end

function FightScene:onTouchMoved(touch,event)
    print("触摸移动")
    return true
end

function FightScene:onTouchEnded(event)
    print("触摸结束")
    return true
end

function FightScene:onEnter()

    --获得当前节点Node的监听器
    self.touchListener = cc.EventListenerTouchOneByOne:create()

    --监听器上注册触摸事件
    self.touchListener:registerScriptHandler(handler(self,self.onTouchBegan),cc.Handler.EVENT_TOUCH_BEGAN )
    self.touchListener:registerScriptHandler(handler(self,self.onTouchMoved),cc.Handler.EVENT_TOUCH_MOVED )
    self.touchListener:registerScriptHandler(handler(self,self.onTouchEnded),cc.Handler.EVENT_TOUCH_ENDED )

    --eventDispatcher是Node的属性，通过它管理当前节点（场景、层、精灵等）的所有事件的分发,但它本身是一个单例模式值的引用,通过self:getEventDispatcher()方法获得。
    local eventDispatch = self:getEventDispatcher()

    --绑定Node方式添加EventListener
    eventDispatch:addEventListenerWithSceneGraPHPriority(self.touchListener,self)
end