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204
frontend/lib/screens/auth/bind_email_screen.dart
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204
frontend/lib/screens/auth/bind_email_screen.dart
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import 'dart:ui';
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../../providers/auth_provider.dart';
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import '../../theme/colors.dart';
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class BindEmailScreen extends ConsumerStatefulWidget {
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const BindEmailScreen({super.key});
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@override
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ConsumerState<BindEmailScreen> createState() => _BindEmailScreenState();
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}
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class _BindEmailScreenState extends ConsumerState<BindEmailScreen> {
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final _emailController = TextEditingController();
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final _formKey = GlobalKey<FormState>();
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bool _isLoading = false;
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@override
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void dispose() {
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_emailController.dispose();
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super.dispose();
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}
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String? _validateEmail(String? value) {
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if (value == null || value.isEmpty) {
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return '请输入邮箱';
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}
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final emailRegex = RegExp(r'^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$');
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if (!emailRegex.hasMatch(value)) {
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return '请输入有效的邮箱地址';
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}
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return null;
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}
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Future<void> _handleBind() async {
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if (!_formKey.currentState!.validate()) return;
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setState(() => _isLoading = true);
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try {
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final authApi = ref.read(authApiProvider);
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final result = await authApi.bindEmail(_emailController.text);
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if (result['success'] == true) {
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if (mounted) {
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Navigator.pop(context);
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('邮箱绑定成功'),
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backgroundColor: AppColors.income,
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),
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);
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}
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} else {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(result['error'] ?? '绑定失败'),
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backgroundColor: AppColors.expense,
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),
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);
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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(
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content: Text('网络错误: $e'),
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backgroundColor: AppColors.expense,
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),
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);
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}
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} finally {
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if (mounted) {
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setState(() => _isLoading = 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 Scaffold(
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body: Container(
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decoration: const BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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colors: [
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Color(0xFFFF6B35),
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Color(0xFFFF9F5B),
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],
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),
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),
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child: SafeArea(
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child: Center(
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child: SingleChildScrollView(
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padding: const EdgeInsets.symmetric(horizontal: 32),
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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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children: [
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const Text(
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'绑定邮箱',
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style: TextStyle(
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fontSize: 32,
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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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const SizedBox(height: 8),
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const Text(
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'请输入您的邮箱地址',
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style: TextStyle(
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fontSize: 16,
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color: Colors.white70,
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),
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),
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const SizedBox(height: 48),
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_buildGlassInput(
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child: TextFormField(
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controller: _emailController,
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keyboardType: TextInputType.emailAddress,
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style: const TextStyle(color: AppColors.textPrimary),
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decoration: const InputDecoration(
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hintText: '请输入邮箱',
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hintStyle: TextStyle(color: AppColors.textSecondary),
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border: InputBorder.none,
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prefixIcon: Icon(Icons.email_outlined, color: AppColors.brand),
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),
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validator: _validateEmail,
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),
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),
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const SizedBox(height: 32),
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SizedBox(
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width: double.infinity,
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height: 56,
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child: ElevatedButton(
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onPressed: _isLoading ? null : _handleBind,
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.white,
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foregroundColor: AppColors.brand,
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disabledBackgroundColor: Colors.white.withOpacity(0.6),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(16),
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),
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elevation: 0,
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),
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child: _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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valueColor: AlwaysStoppedAnimation<Color>(AppColors.brand),
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),
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)
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: const Text(
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'绑定',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w600,
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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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);
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}
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Widget _buildGlassInput({required Widget child}) {
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return Container(
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decoration: BoxDecoration(
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color: Colors.white.withOpacity(0.8),
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borderRadius: BorderRadius.circular(14),
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border: Border.all(color: Colors.white.withOpacity(0.8)),
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boxShadow: [
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BoxShadow(
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color: AppColors.brand.withOpacity(0.06),
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blurRadius: 32,
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offset: const Offset(0, 8),
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),
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],
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),
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child: ClipRRect(
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borderRadius: BorderRadius.circular(14),
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child: BackdropFilter(
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filter: ImageFilter.blur(sigmaX: 30, sigmaY: 30),
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
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child: child,
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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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