先记下：NavPage.btnRandom 是 顶红包 的按钮
显示层级root=SiteView-TOP-NavPage-Sprite(btnRandom)
“顶”的那个按钮在这里root=SiteView-TOP-NavPage-PopUpBox(mcPopUpBox)-MovieClip(mcViews)-ContentDisplay-DingGame-Loader-TmallGame-MainGame-bg_UI-part6_3(click_mc)
WebServiceController.getLottery()
WebServiceController.proxyLoaderReq()