feat: add splash,home,login page
This commit is contained in:
291
lib/page/login_page.dart
Normal file
291
lib/page/login_page.dart
Normal file
@@ -0,0 +1,291 @@
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import 'package:flutter/cupertino.dart';
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import 'package:get/get.dart';
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class LoginPage extends StatefulWidget {
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const LoginPage({super.key});
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@override
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State<LoginPage> createState() => _LoginPageState();
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}
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class _LoginPageState extends State<LoginPage> {
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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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final _phoneController = TextEditingController();
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final _smsCodeController = TextEditingController();
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bool _isLoading = false;
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bool _isSmsLogin = false;
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bool _isCountdownRunning = false;
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int _countdownSeconds = 0;
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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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_phoneController.dispose();
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_smsCodeController.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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await Future.delayed(const Duration(seconds: 1));
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setState(() {
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_isLoading = false;
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});
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if (mounted) {
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Get.offAllNamed('/home');
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}
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}
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Future<void> _sendSmsCode() async {
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if (_phoneController.text.isEmpty) {
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showCupertinoDialog(
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context: context,
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builder: (context) => CupertinoAlertDialog(
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title: const Text('提示'),
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content: const Text('请先输入手机号'),
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actions: [
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CupertinoDialogAction(
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child: const Text('确定'),
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onPressed: () => Navigator.pop(context),
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),
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],
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),
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);
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return;
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}
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setState(() {
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_isCountdownRunning = true;
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_countdownSeconds = 60;
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});
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await Future.delayed(const Duration(seconds: 1));
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while (_countdownSeconds > 0 && mounted) {
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await Future.delayed(const Duration(seconds: 1));
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setState(() {
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_countdownSeconds--;
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});
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}
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if (mounted) {
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setState(() {
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_isCountdownRunning = false;
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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 CupertinoPageScaffold(
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navigationBar: const CupertinoNavigationBar(
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middle: Text('登录'),
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),
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child: SafeArea(
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child: Padding(
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padding: const EdgeInsets.all(24.0),
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child: Form(
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key: _formKey,
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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const Icon(
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CupertinoIcons.person_3,
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size: 80,
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color: CupertinoColors.activeBlue,
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),
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const SizedBox(height: 32),
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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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_isSmsLogin ? '使用手机号验证码登录' : '请登录您的账户',
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style: TextStyle(
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fontSize: 16,
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color: CupertinoColors.inactiveGray,
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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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CupertinoSlidingSegmentedControl<bool>(
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groupValue: _isSmsLogin,
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onValueChanged: (value) {
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if (value != null) {
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setState(() {
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_isSmsLogin = value;
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});
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}
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},
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children: const {
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false: Padding(
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padding: EdgeInsets.symmetric(horizontal: 16),
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child: Text('密码登录'),
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),
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true: Padding(
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padding: EdgeInsets.symmetric(horizontal: 16),
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child: Text('短信登录'),
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),
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},
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),
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const SizedBox(height: 24),
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if (!_isSmsLogin) ...[
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CupertinoFormSection.insetGrouped(
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children: [
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CupertinoTextFormFieldRow(
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controller: _usernameController,
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prefix: const Padding(
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padding: EdgeInsets.only(left: 8),
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child: Icon(CupertinoIcons.person, size: 20),
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),
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placeholder: '请输入用户名',
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validator: (value) {
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if (value == null || value.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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),
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],
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),
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const SizedBox(height: 16),
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CupertinoFormSection.insetGrouped(
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children: [
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CupertinoTextFormFieldRow(
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controller: _passwordController,
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obscureText: true,
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prefix: const Padding(
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padding: EdgeInsets.only(left: 8),
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child: Icon(CupertinoIcons.lock, size: 20),
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),
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placeholder: '请输入密码',
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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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if (value.length < 6) {
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return '密码至少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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),
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] else ...[
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CupertinoFormSection.insetGrouped(
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children: [
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CupertinoTextFormFieldRow(
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controller: _phoneController,
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keyboardType: TextInputType.phone,
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prefix: const Padding(
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padding: EdgeInsets.only(left: 8),
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child: Icon(CupertinoIcons.phone, size: 20),
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),
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placeholder: '请输入手机号',
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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 (value.length != 11) {
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return '请输入有效的手机号';
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}
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return null;
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},
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),
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],
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),
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const SizedBox(height: 16),
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Row(
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children: [
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Expanded(
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child: CupertinoFormSection.insetGrouped(
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children: [
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CupertinoTextFormFieldRow(
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controller: _smsCodeController,
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keyboardType: TextInputType.number,
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prefix: const Padding(
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padding: EdgeInsets.only(left: 8),
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child: Icon(CupertinoIcons.shield, size: 20),
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),
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placeholder: '请输入验证码',
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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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),
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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: 50,
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child: CupertinoButton.filled(
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onPressed: _isCountdownRunning ? null : _sendSmsCode,
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borderRadius: BorderRadius.circular(12),
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padding: EdgeInsets.zero,
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child: Text(
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_isCountdownRunning ? '${_countdownSeconds}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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],
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const SizedBox(height: 32),
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CupertinoButton.filled(
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onPressed: _isLoading ? null : _handleLogin,
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padding: const EdgeInsets.symmetric(vertical: 14),
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borderRadius: BorderRadius.circular(12),
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child: _isLoading
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? const SizedBox(
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height: 20,
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width: 20,
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child: CupertinoActivityIndicator(
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radius: 10,
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),
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)
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: Text(
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_isSmsLogin ? '验证码登录' : '登录',
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style: const TextStyle(fontSize: 17),
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),
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),
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const SizedBox(height: 16),
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CupertinoButton(
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onPressed: () {
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Get.offAndToNamed('/register');
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},
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child: const Text('还没有账户？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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