it0/it0_app/lib/features/auth/presentation/pages/login_page.dart

182 lines
6.4 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:go_router/go_router.dart';
import '../../../../core/theme/app_colors.dart';
import '../../data/providers/auth_provider.dart';
class LoginPage extends ConsumerStatefulWidget {
const LoginPage({super.key});
@override
ConsumerState<LoginPage> createState() => _LoginPageState();
}
class _LoginPageState extends ConsumerState<LoginPage> {
final _formKey = GlobalKey<FormState>();
final _emailController = TextEditingController();
final _passwordController = TextEditingController();
@override
Widget build(BuildContext context) {
final authState = ref.watch(authStateProvider);
return Scaffold(
backgroundColor: AppColors.background,
body: Center(
child: SingleChildScrollView(
padding: const EdgeInsets.symmetric(horizontal: 32, vertical: 48),
child: Form(
key: _formKey,
child: ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 360),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
SvgPicture.asset(
'assets/icons/logo.svg',
width: 96,
height: 96,
),
const SizedBox(height: 12),
const Text(
'iAgent',
style: TextStyle(
color: AppColors.textPrimary,
fontSize: 28,
fontWeight: FontWeight.bold,
letterSpacing: 2,
),
),
const SizedBox(height: 4),
const Text(
'服务器集群运维智能体',
style: TextStyle(
color: AppColors.textSecondary,
fontSize: 14,
),
),
const SizedBox(height: 48),
TextFormField(
controller: _emailController,
keyboardType: TextInputType.emailAddress,
decoration: const InputDecoration(
labelText: '邮箱',
hintText: 'user@example.com',
prefixIcon: Icon(Icons.email_outlined),
),
validator: (value) {
if (value == null || value.isEmpty) {
return '请输入邮箱地址';
}
if (!value.contains('@')) {
return '请输入有效的邮箱地址';
}
return null;
},
),
const SizedBox(height: 16),
TextFormField(
controller: _passwordController,
obscureText: true,
decoration: const InputDecoration(
labelText: '密码',
prefixIcon: Icon(Icons.lock_outline),
),
validator: (value) {
if (value == null || value.isEmpty) {
return '请输入密码';
}
return null;
},
onFieldSubmitted: (_) => _handleLogin(),
),
if (authState.error != null) ...[
const SizedBox(height: 16),
Container(
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 8,
),
decoration: BoxDecoration(
color: AppColors.error.withAlpha(25),
borderRadius: BorderRadius.circular(8),
),
child: Row(
children: [
const Icon(Icons.error_outline,
color: AppColors.error, size: 18),
const SizedBox(width: 8),
Expanded(
child: Text(
authState.error!,
style: const TextStyle(
color: AppColors.error,
fontSize: 13,
),
),
),
],
),
),
],
const SizedBox(height: 24),
SizedBox(
width: double.infinity,
height: 48,
child: FilledButton(
onPressed: authState.isLoading ? null : _handleLogin,
child: authState.isLoading
? const SizedBox(
height: 20,
width: 20,
child: CircularProgressIndicator(
strokeWidth: 2,
color: Colors.white,
),
)
: const Text(
'登录',
style: TextStyle(fontSize: 16),
),
),
),
const SizedBox(height: 32),
Text(
'账号由管理员在后台创建或通过邀请链接注册',
style: TextStyle(
color: AppColors.textMuted,
fontSize: 12,
),
textAlign: TextAlign.center,
),
],
),
),
),
),
),
);
}
Future<void> _handleLogin() async {
if (!_formKey.currentState!.validate()) return;
final success = await ref.read(authStateProvider.notifier).login(
_emailController.text.trim(),
_passwordController.text,
);
if (success && mounted) {
context.go('/dashboard');
}
}
@override
void dispose() {
_emailController.dispose();
_passwordController.dispose();
super.dispose();
}
}