aku_new_community_manager/lib/provider/user_provider.dart

import 'package:flutter/material.dart';
//登录状态管理
class UserProvider extends ChangeNotifier{

  
  bool _isSigned=false;
  ///用户是否登陆
  get isSigned=>_isSigned;

  ///设置用户登陆
  setisSigned (bool state){
    _isSigned=state;
    notifyListeners();  
  }


  
}