Initial project import
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import 'package:flutter/material.dart';
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import 'package:go_router/go_router.dart';
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import 'package:miaoji_zhang/shared/api/api_client.dart';
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import 'package:miaoji_zhang/shared/api/auth_api.dart';
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import 'package:miaoji_zhang/shared/api/config_api.dart';
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import 'package:miaoji_zhang/shared/services/current_ledger_store.dart';
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import 'package:miaoji_zhang/shared/services/guest_merge_service.dart';
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import 'package:miaoji_zhang/shared/services/local_database.dart';
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import 'package:miaoji_zhang/shared/services/session_store.dart';
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import 'package:miaoji_zhang/shared/theme/app_theme.dart';
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import 'package:miaoji_zhang/shared/version.dart';
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import 'package:miaoji_zhang/shared/widgets/app_controls.dart';
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import 'package:miaoji_zhang/shared/widgets/brand_logo.dart';
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class LoginPage extends StatefulWidget {
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final String? notice;
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const LoginPage({super.key, this.notice});
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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 _user = TextEditingController();
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final _pass = TextEditingController();
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bool _loading = false;
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@override
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void initState() {
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super.initState();
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PublicConfigApi.init().ignore();
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if (widget.notice case final notice? when notice.isNotEmpty) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (mounted) {
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ScaffoldMessenger.of(
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context,
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).showSnackBar(SnackBar(content: Text(notice)));
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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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void dispose() {
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_user.dispose();
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_pass.dispose();
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super.dispose();
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}
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Future<void> _login() async {
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if (_user.text.trim().isEmpty || _pass.text.isEmpty) {
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_showMessage('请输入用户名和密码');
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return;
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}
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final guestSnapshot = SessionStore.instance.isGuest
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? LocalDatabase.instance.guestSnapshot()
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: null;
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setState(() => _loading = true);
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try {
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final closureCancelled = await AuthApi.login(
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_user.text.trim(),
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_pass.text,
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);
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final profile = await AuthApi.me();
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await CurrentLedgerStore.instance.ensureLoaded(force: true);
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if (!mounted) return;
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if (guestSnapshot?['hasData'] == true) {
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final shouldMerge = await showJzConfirmSheet(
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context,
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title: '发现游客数据',
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message: '是否将本机游客账单、分类和预算导入当前账号？数据会放入独立的“游客数据”账本，原游客数据仍保留在本机。',
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confirmLabel: '导入数据',
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);
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if (shouldMerge) {
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try {
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final result = await GuestMergeService.merge(guestSnapshot!);
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if (mounted) {
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_showMessage('已导入 ${result.transactionCount} 笔游客账单');
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}
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} catch (error) {
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if (mounted) {
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_showMessage('游客数据暂未导入：${apiErrorMessage(error)}');
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}
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}
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}
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}
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if (!mounted) return;
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if (closureCancelled) _showMessage('已取消账号注销，欢迎回来');
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final destination = !profile.onboardingDone
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? '/onboarding'
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: profile.appMode == 'ai'
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? '/ai-mode'
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: '/home';
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context.go(destination);
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} catch (error) {
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if (mounted) _showMessage(apiErrorMessage(error));
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} finally {
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if (mounted) setState(() => _loading = false);
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}
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}
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Future<void> _startGuest() async {
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setState(() => _loading = true);
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try {
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await SessionStore.instance.startGuest();
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await CurrentLedgerStore.instance.ensureLoaded(force: true);
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if (mounted) context.go('/home');
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} catch (error) {
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if (mounted) _showMessage(apiErrorMessage(error));
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} finally {
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if (mounted) setState(() => _loading = false);
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}
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}
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void _showMessage(String message) {
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ScaffoldMessenger.of(
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context,
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).showSnackBar(SnackBar(content: Text(message)));
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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: SafeArea(
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child: ListView(
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padding: const EdgeInsets.symmetric(horizontal: 28),
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children: [
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SizedBox(height: 48),
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Center(
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child: Column(
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children: [
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const BrandLogo(size: 82),
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SizedBox(height: 16),
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Text(
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PublicConfigApi.appName,
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style: TextStyle(
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fontSize: 26,
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fontWeight: FontWeight.w800,
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letterSpacing: 1,
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),
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),
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SizedBox(height: 8),
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Text(
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PublicConfigApi.slogan,
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style: TextStyle(fontSize: 13, color: context.jz.text2),
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),
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SizedBox(height: 48),
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],
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),
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),
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TextField(
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controller: _user,
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textInputAction: TextInputAction.next,
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decoration: InputDecoration(labelText: '用户名', hintText: '请输入用户名'),
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),
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SizedBox(height: 12),
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TextField(
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controller: _pass,
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obscureText: true,
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decoration: InputDecoration(labelText: '密码', hintText: '请输入密码'),
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onSubmitted: (_) => _loading ? null : _login(),
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),
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SizedBox(height: 22),
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JzActionButton(
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label: '登录',
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loading: _loading,
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onPressed: _loading ? null : _login,
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),
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SizedBox(height: 10),
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JzActionButton(
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label: '游客模式',
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secondary: true,
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onPressed: _loading ? null : _startGuest,
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),
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SizedBox(height: 7),
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Text(
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'游客数据仅保存在本机；AI、语音解析和图片识别需登录联网',
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textAlign: TextAlign.center,
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style: TextStyle(
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fontSize: 10.5,
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color: context.jz.text3,
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height: 1.45,
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),
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),
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SizedBox(height: 8),
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Center(
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child: TextButton(
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onPressed: _loading ? null : () => context.go('/register'),
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child: Text('没有账号？去注册'),
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),
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),
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const LoginLegalLinks(),
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SizedBox(height: 20),
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Center(
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child: Text(
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AppVersion.display,
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style: TextStyle(fontSize: 10, color: context.jz.text3),
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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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class LoginLegalLinks extends StatelessWidget {
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const LoginLegalLinks({super.key});
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@override
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Widget build(BuildContext context) {
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return Wrap(
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alignment: WrapAlignment.center,
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spacing: 2,
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runSpacing: 0,
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children: [
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_link(context, '用户协议', 'terms'),
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_link(context, '隐私政策', 'privacy'),
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],
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);
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}
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Widget _link(BuildContext context, String label, String kind) => TextButton(
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onPressed: () => context.push('/legal/$kind'),
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child: Text(label, style: TextStyle(fontSize: 11.5)),
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);
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}
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