1.存储内容:
UserDefaults.standard.set((data["data"]["message"]).string, forKey: kRegisterPopupMessage)
2.获取内容:
let registerPopupMessage = UserDefaults.standard.string(forKey: kRegisterPopupMessage)
【NSUserDefaults】3.移除内容:
UserDefaults.standard.removeObject(forKey: kRegisterPopupMessage)
