local function percentChangedEvent(sender,eventType)
if eventType == ccs.SliderEventType.percent_changed then
local slider = tolua.cast(sender,“UISlider”)
local percent = "Percent " … slider:getPercent()
self._displayValueLabel:setText(percent)
end
end
这里不应该使用tolua.cast(sender, “UISlider”),而是得使用tolua.cast(sender, “Slider”)
目测tolua不认识typedef cocos2d::gui::Slider UISlider;