380 lines
13 KiB
Dart
380 lines
13 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:go_router/go_router.dart';
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import '../../../core/router/routes.dart';
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import '../../../core/constants/app_colors.dart';
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import '../../providers/user_providers.dart';
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class LoginPage extends ConsumerStatefulWidget {
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const LoginPage({super.key});
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@override
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ConsumerState<LoginPage> createState() => _LoginPageState();
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}
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class _LoginPageState extends ConsumerState<LoginPage> {
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final _formKey = GlobalKey<FormState>();
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final _phoneController = TextEditingController();
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final _passwordController = TextEditingController();
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final _smsCodeController = TextEditingController();
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bool _isPasswordLogin = true;
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bool _obscurePassword = true;
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int _countDown = 0;
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@override
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void dispose() {
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_phoneController.dispose();
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_passwordController.dispose();
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_smsCodeController.dispose();
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super.dispose();
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}
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Future<void> _sendSmsCode() async {
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final phone = _phoneController.text.trim();
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if (phone.isEmpty || !RegExp(r'^1[3-9]\d{9}$').hasMatch(phone)) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('请输入正确的手机号')),
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);
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return;
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}
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try {
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await ref.read(userNotifierProvider.notifier).sendSmsCode(phone, 'LOGIN');
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setState(() => _countDown = 60);
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_startCountDown();
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('验证码已发送')),
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);
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}
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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('发送失败: $e')),
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);
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}
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}
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}
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void _startCountDown() {
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Future.delayed(const Duration(seconds: 1), () {
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if (_countDown > 0 && mounted) {
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setState(() => _countDown--);
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_startCountDown();
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}
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});
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}
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Future<void> _login() async {
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if (!_formKey.currentState!.validate()) return;
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final phone = _phoneController.text.trim();
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try {
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if (_isPasswordLogin) {
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await ref.read(userNotifierProvider.notifier).loginWithPassword(
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phone,
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_passwordController.text,
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);
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} else {
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await ref.read(userNotifierProvider.notifier).loginWithSms(
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phone,
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_smsCodeController.text.trim(),
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);
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}
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if (mounted) {
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context.go(Routes.home);
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}
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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('登录失败: $e')),
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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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final userState = ref.watch(userNotifierProvider);
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return Scaffold(
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backgroundColor: Colors.white,
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body: SafeArea(
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child: SingleChildScrollView(
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padding: const EdgeInsets.all(24),
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child: Form(
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key: _formKey,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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const SizedBox(height: 60),
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// Logo
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Container(
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width: 80,
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height: 80,
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decoration: BoxDecoration(
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color: AppColors.primary.withOpacity(0.1),
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borderRadius: BorderRadius.circular(20),
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),
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child: const Icon(
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Icons.eco,
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size: 48,
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color: AppColors.primary,
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),
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),
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const SizedBox(height: 24),
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const Text(
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'欢迎回来',
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style: TextStyle(
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fontSize: 28,
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fontWeight: FontWeight.bold,
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),
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textAlign: TextAlign.center,
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),
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const SizedBox(height: 8),
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Text(
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'登录您的榴莲挖矿账户',
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style: TextStyle(
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fontSize: 16,
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color: Colors.grey[600],
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),
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textAlign: TextAlign.center,
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),
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const SizedBox(height: 48),
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// 登录方式切换
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Row(
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children: [
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Expanded(
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child: GestureDetector(
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onTap: () => setState(() => _isPasswordLogin = true),
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child: Container(
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padding: const EdgeInsets.symmetric(vertical: 12),
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decoration: BoxDecoration(
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border: Border(
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bottom: BorderSide(
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color: _isPasswordLogin ? AppColors.primary : Colors.transparent,
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width: 2,
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),
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),
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),
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child: Text(
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'密码登录',
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textAlign: TextAlign.center,
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style: TextStyle(
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fontSize: 16,
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fontWeight: _isPasswordLogin ? FontWeight.bold : FontWeight.normal,
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color: _isPasswordLogin ? AppColors.primary : Colors.grey,
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),
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),
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),
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),
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),
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Expanded(
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child: GestureDetector(
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onTap: () => setState(() => _isPasswordLogin = false),
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child: Container(
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padding: const EdgeInsets.symmetric(vertical: 12),
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decoration: BoxDecoration(
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border: Border(
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bottom: BorderSide(
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color: !_isPasswordLogin ? AppColors.primary : Colors.transparent,
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width: 2,
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),
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),
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),
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child: Text(
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'验证码登录',
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textAlign: TextAlign.center,
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style: TextStyle(
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fontSize: 16,
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fontWeight: !_isPasswordLogin ? FontWeight.bold : FontWeight.normal,
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color: !_isPasswordLogin ? AppColors.primary : Colors.grey,
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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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const SizedBox(height: 24),
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// 手机号
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TextFormField(
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controller: _phoneController,
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keyboardType: TextInputType.phone,
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decoration: InputDecoration(
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labelText: '手机号',
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prefixIcon: const Icon(Icons.phone),
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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 '请输入手机号';
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}
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if (!RegExp(r'^1[3-9]\d{9}$').hasMatch(value)) {
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return '请输入正确的手机号';
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}
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return null;
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},
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),
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const SizedBox(height: 16),
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// 密码/验证码
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if (_isPasswordLogin)
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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_off : Icons.visibility,
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),
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onPressed: () => setState(() => _obscurePassword = !_obscurePassword),
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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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)
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else
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Row(
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children: [
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Expanded(
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child: TextFormField(
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controller: _smsCodeController,
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keyboardType: TextInputType.number,
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maxLength: 6,
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decoration: InputDecoration(
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labelText: '验证码',
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prefixIcon: const Icon(Icons.sms),
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counterText: '',
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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 '请输入验证码';
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}
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if (value.length != 6) {
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return '验证码为6位';
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}
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return null;
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},
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),
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),
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const SizedBox(width: 12),
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SizedBox(
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width: 120,
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height: 56,
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child: ElevatedButton(
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onPressed: _countDown > 0 ? null : _sendSmsCode,
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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: Text(
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_countDown > 0 ? '${_countDown}s' : '获取验证码',
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style: const TextStyle(fontSize: 14),
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),
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),
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),
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],
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),
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const SizedBox(height: 32),
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// 登录按钮
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SizedBox(
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height: 52,
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child: ElevatedButton(
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onPressed: userState.isLoading ? null : _login,
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style: ElevatedButton.styleFrom(
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backgroundColor: AppColors.primary,
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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: userState.isLoading
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? const SizedBox(
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width: 24,
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height: 24,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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color: Colors.white,
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),
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)
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: const Text(
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'登录',
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.bold,
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color: Colors.white,
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),
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),
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),
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),
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const SizedBox(height: 16),
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// 忘记密码
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if (_isPasswordLogin)
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Align(
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alignment: Alignment.centerRight,
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child: TextButton(
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onPressed: () => context.push(Routes.forgotPassword),
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child: Text(
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'忘记密码？',
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style: TextStyle(color: Colors.grey[600]),
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),
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),
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),
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const SizedBox(height: 8),
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// 注册入口
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Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Text(
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'还没有账号？',
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style: TextStyle(color: Colors.grey[600]),
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),
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TextButton(
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onPressed: () => context.push(Routes.register),
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child: const Text('立即注册'),
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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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