//创建
CCSafeNotificationCenter::sharedNotificationCenter()->addObserver(this, callfuncO_selector(UserUpgradeView::shareWeiBoSuccess), MSG_FeedDialogResult, NULL);
//删除
CCSafeNotificationCenter::sharedNotificationCenter()->removeObserver(this, MSG_FeedDialogResult);
//触发
CCSafeNotificationCenter::sharedNotificationCenter()->postNotification(MSG_FeedDialogResult);