import 'package:flutter/material.dart'; ///存储页面间的共享数据 //用户登录状态 class UserStatus with ChangeNotifier { bool _loginStatus = false; String _userName; int _performance; get value => _loginStatus; get name => _userName; get perfromace => _performance; set name(String name) { _userName = name; notifyListeners(); } set value(bool newStatus) { _loginStatus = newStatus; notifyListeners(); } }