import 'package:flutter/material.dart'; import 'package:food_hub_app/apis/user.dart'; import 'package:food_hub_app/models/session.dart'; class UserProvider with ChangeNotifier { late User currentUser = User.getEmpty(); bool isLoading = false; String error = ''; Future refreshUser(int id) async { if (isLoading) return; try { isLoading = true; error = ''; notifyListeners(); final result = await queryUserApi(id); currentUser = result; } catch (e) { error = '加载数据失败: $e'; debugPrint('加载数据失败: $e'); } finally { isLoading = false; notifyListeners(); } } }