local eventDispatcher = self:getEventDispatcher();--self为继承Node的对象

local function handleBuyGoods(event)

cclog("handleBuyGoods")

end

local listener = cc.EventListenerCustom:create("HandleKey.kDidBuyGoods", handleBuyGoods)

eventDispatcher:addEventListenerWithSceneGraphPriority(listener, self)

local eventDispatcher = cc.Director:getInstance():getEventDispatcher()

local event = cc.EventCustom:new("HandleKey.kDidBuyGoods")

eventDispatcher:dispatchEvent(event)