water-management-system/mobile/lib/pages/home/home_page.dart

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../../services/auth_service.dart';

class HomePage extends StatefulWidget {
  const HomePage({super.key});
  @override State<HomePage> createState() => _HomePageState();
}

class _HomePageState extends State<HomePage> {
  int _tabIndex = 0;

  @override
  Widget build(BuildContext context) {
    final auth = context.read<AuthService>();
    return Scaffold(
      appBar: AppBar(title: const Text('智慧水务'), actions: [
        IconButton(icon: const Icon(Icons.logout), onPressed: () async { await auth.logout(); Navigator.pushReplacement(context, MaterialPageRoute(builder: (_) => const HomePage())); })
      ]),
      body: IndexedStack(index: _tabIndex, children: const [
        Center(child: Text('💧 供水管理')),
        Center(child: Text('🔍 巡检管理')),
        Center(child: Text('💰 营业收费')),
      ]),
      bottomNavigationBar: BottomNavigationBar(
        currentIndex: _tabIndex, onTap: (i) => setState(() => _tabIndex = i),
        items: const [
          BottomNavigationBarItem(icon: Icon(Icons.water), label: '供水'),
          BottomNavigationBarItem(icon: Icon(Icons.search), label: '巡检'),
          BottomNavigationBarItem(icon: Icon(Icons.receipt_long), label: '营收'),
        ],
      ),
    );
  }
}