function MainScene:onCreate()
--这一句
self.uiRoot = cc.CSLoader:createNode("MainScene.csb")
self.uiRoot:addTo(self)
self.myImage = self.uiRoot:getChildByName("HelloWorld_2")
local imgae = self.uiRoot:getChildByName("Image_2")
imgae:addClickEventListener(handler(self,self.OnClick))
end