马良AI写作初始化仓库
This commit is contained in:
邓滨杰
284
AINoval/lib/screens/admin/admin_login_screen.dart
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284
AINoval/lib/screens/admin/admin_login_screen.dart
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import 'package:flutter/material.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:get_it/get_it.dart';
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import '../../blocs/admin/admin_bloc.dart';
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import '../../config/app_config.dart';
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import '../../services/api_service/repositories/impl/admin_repository_impl.dart';
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import 'admin_dashboard_screen.dart';
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import '../../services/permission_service.dart';
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import '../../models/admin/admin_models.dart' show AdminUser;
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import '../../utils/logger.dart';
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class AdminLoginScreen extends StatefulWidget {
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const AdminLoginScreen({super.key});
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@override
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State<AdminLoginScreen> createState() => _AdminLoginScreenState();
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}
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class _AdminLoginScreenState extends State<AdminLoginScreen> {
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final _formKey = GlobalKey<FormState>();
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final _usernameController = TextEditingController();
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final _passwordController = TextEditingController();
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bool _isLoading = false;
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bool _obscurePassword = true;
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@override
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void dispose() {
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_usernameController.dispose();
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_passwordController.dispose();
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super.dispose();
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}
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Future<void> _handleLogin() async {
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if (!_formKey.currentState!.validate()) {
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return;
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}
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setState(() {
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_isLoading = true;
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});
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try {
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final username = _usernameController.text.trim();
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final password = _passwordController.text;
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// 使用真实的管理员API登录
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final adminRepository = GetIt.instance<AdminRepositoryImpl>();
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final authResponse = await adminRepository.adminLogin(username, password);
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// 设置管理员认证信息
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AppConfig.setAuthToken(authResponse.token);
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AppConfig.setUserId(authResponse.userId);
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AppConfig.setUsername(authResponse.username);
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// 保存管理员信息到本地，用于权限校验和会话持久化
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try {
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final permissionService = PermissionService();
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await permissionService.saveAdminInfo(
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AdminUser(
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id: authResponse.userId,
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username: authResponse.username,
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email: '', // 登录响应暂未提供邮箱信息，可按需调整
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displayName: authResponse.displayName,
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accountStatus: 'ACTIVE',
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credits: 0,
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roles: authResponse.roles.isNotEmpty ? authResponse.roles : ['ADMIN'],
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createdAt: DateTime.now(),
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updatedAt: null,
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),
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authResponse.token,
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);
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} catch (e) {
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// 若保存失败，仅记录日志，不阻断登录流程
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AppLogger.w('AdminLogin', '保存管理员信息失败', e);
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}
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// 跳转到管理后台
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if (mounted) {
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Navigator.of(context).pushReplacement(
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MaterialPageRoute(
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builder: (context) => BlocProvider(
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create: (context) => GetIt.instance<AdminBloc>(),
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child: const AdminDashboardScreen(),
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),
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),
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);
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}
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} catch (e) {
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if (mounted) {
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String errorMessage = '登录失败';
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if (e.toString().contains('用户名或密码错误')) {
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errorMessage = '用户名或密码错误，或无管理员权限';
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} else if (e.toString().contains('connection')) {
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errorMessage = '无法连接到服务器，请检查网络连接';
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} else {
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errorMessage = '登录失败: ${e.toString()}';
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}
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(errorMessage),
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backgroundColor: Colors.red,
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duration: const Duration(seconds: 3),
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),
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);
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}
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} finally {
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if (mounted) {
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setState(() {
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_isLoading = false;
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});
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}
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}
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: Container(
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decoration: BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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colors: [
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Theme.of(context).colorScheme.primary.withOpacity(0.1),
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Theme.of(context).colorScheme.secondary.withOpacity(0.1),
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],
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),
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),
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child: Center(
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child: SingleChildScrollView(
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child: Padding(
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padding: const EdgeInsets.all(32.0),
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child: Card(
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elevation: 8,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(16),
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),
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child: Container(
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width: 400,
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padding: const EdgeInsets.all(32.0),
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child: Form(
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key: _formKey,
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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// Logo和标题
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Icon(
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Icons.admin_panel_settings,
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size: 64,
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color: Theme.of(context).colorScheme.primary,
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),
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const SizedBox(height: 16),
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Text(
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'AI小说助手',
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style: Theme.of(context).textTheme.headlineMedium?.copyWith(
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 8),
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Text(
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'管理后台',
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style: Theme.of(context).textTheme.titleMedium?.copyWith(
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color: Theme.of(context).colorScheme.primary,
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),
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),
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const SizedBox(height: 32),
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// 用户名输入框
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TextFormField(
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controller: _usernameController,
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decoration: InputDecoration(
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labelText: '用户名',
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prefixIcon: const Icon(Icons.person),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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),
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),
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validator: (value) {
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if (value == null || value.trim().isEmpty) {
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return '请输入用户名';
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}
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return null;
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},
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enabled: !_isLoading,
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),
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const SizedBox(height: 16),
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// 密码输入框
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TextFormField(
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controller: _passwordController,
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obscureText: _obscurePassword,
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decoration: InputDecoration(
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labelText: '密码',
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prefixIcon: const Icon(Icons.lock),
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suffixIcon: IconButton(
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icon: Icon(
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_obscurePassword ? Icons.visibility : Icons.visibility_off,
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),
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onPressed: () {
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setState(() {
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_obscurePassword = !_obscurePassword;
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});
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},
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),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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),
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),
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validator: (value) {
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if (value == null || value.isEmpty) {
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return '请输入密码';
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}
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return null;
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},
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enabled: !_isLoading,
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onFieldSubmitted: (_) => _handleLogin(),
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),
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const SizedBox(height: 24),
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// 登录按钮
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SizedBox(
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width: double.infinity,
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height: 48,
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child: ElevatedButton(
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onPressed: _isLoading ? null : _handleLogin,
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style: ElevatedButton.styleFrom(
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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),
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child: _isLoading
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? const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(strokeWidth: 2),
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)
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: const Text(
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'登录',
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style: TextStyle(fontSize: 16),
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),
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),
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),
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const SizedBox(height: 16),
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// 提示信息
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Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: Theme.of(context).colorScheme.primary.withOpacity(0.1),
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borderRadius: BorderRadius.circular(8),
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),
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child: Row(
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children: [
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Icon(
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Icons.info_outline,
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size: 16,
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color: Theme.of(context).colorScheme.primary,
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),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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'开发环境默认账号: admin / admin123',
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style: Theme.of(context).textTheme.bodySmall?.copyWith(
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color: Theme.of(context).colorScheme.primary,
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),
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),
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),
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],
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),
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),
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],
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),
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),
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),
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),
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),
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),
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),
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),
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);
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}
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}
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