Attempt to index local 'self' (a number value)

Cocos2d-x Lua
#1

出现以下错误
LUA ERROR: :151: attempt to index local ‘self’ (a number value)

function GamePlay:ctor()
local timer = scheduler.scheduleGlobal(self.CountingTime, 1)
end

function GamePlay:CountingTime()
counttime = counttime + 1
if counttime == 3 then
self:enddrag()
end
end

function GamePlay:enddrag()
print(“end”)
end

请问那里出现问题?

#2

local timer = scheduler.scheduleGlobal(handler(self, self.CountingTime), 1) 这样使用就可以了