97 lines
3.1 KiB
Dart
97 lines
3.1 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'profile_setup_screen.dart';
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import 'activity_list_screen.dart';
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class LoginScreen extends StatefulWidget {
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const LoginScreen({super.key});
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@override
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State<LoginScreen> createState() => _LoginScreenState();
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}
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class _LoginScreenState extends State<LoginScreen> {
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final _phoneController = TextEditingController();
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final _codeController = TextEditingController();
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bool _codeSent = false;
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void _sendCode() {
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if (_phoneController.text.length == 11) {
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setState(() => _codeSent = true);
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('验证码已发送（测试码：123456）')),
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);
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}
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}
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void _login() async {
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if (_codeController.text == '123456') {
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final prefs = await SharedPreferences.getInstance();
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await prefs.setString('auth_token', 'mock_token_${DateTime.now().millisecondsSinceEpoch}');
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await prefs.setString('phone', _phoneController.text);
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final isNewUser = prefs.getString('user_nickname') == null;
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if (mounted) {
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(builder: (_) => isNewUser ? ProfileSetupScreen() : ActivityListScreen()),
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);
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}
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} else {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('验证码错误')),
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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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backgroundColor: const Color(0xFFFFF8F0),
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appBar: AppBar(title: Text('登录 / 注册')),
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body: Padding(
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padding: EdgeInsets.all(24),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Text('欢迎使用伴享', style: TextStyle(fontSize: 28, fontWeight: FontWeight.w300)),
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SizedBox(height: 60),
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TextField(
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controller: _phoneController,
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keyboardType: TextInputType.phone,
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maxLength: 11,
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decoration: InputDecoration(
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labelText: '手机号',
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border: OutlineInputBorder(),
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),
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),
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SizedBox(height: 20),
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if (_codeSent) ...[
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TextField(
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controller: _codeController,
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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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border: OutlineInputBorder(),
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),
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),
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SizedBox(height: 20),
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],
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SizedBox(
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width: double.infinity,
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height: 50,
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child: ElevatedButton(
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onPressed: _codeSent ? _login : _sendCode,
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style: ElevatedButton.styleFrom(
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backgroundColor: Color(0xFF333333),
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foregroundColor: Colors.white,
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),
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child: Text(_codeSent ? '登录' : '获取验证码', style: TextStyle(fontSize: 16)),
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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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