552 lines
18 KiB
Dart
552 lines
18 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/services.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/utils/format_utils.dart';
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import '../../providers/user_providers.dart';
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import '../../providers/asset_providers.dart';
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import '../../providers/transfer_providers.dart';
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class SendSharesPage extends ConsumerStatefulWidget {
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const SendSharesPage({super.key});
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@override
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ConsumerState<SendSharesPage> createState() => _SendSharesPageState();
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}
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class _SendSharesPageState extends ConsumerState<SendSharesPage> {
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static const Color _orange = Color(0xFFFF6B00);
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static const Color _green = Color(0xFF10B981);
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static const Color _darkText = Color(0xFF1F2937);
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static const Color _grayText = Color(0xFF6B7280);
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static const Color _bgGray = Color(0xFFF3F4F6);
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static const Color _red = Color(0xFFEF4444);
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final _phoneController = TextEditingController();
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final _amountController = TextEditingController();
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final _memoController = TextEditingController();
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bool _isRecipientVerified = false;
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String? _recipientNickname;
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@override
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void dispose() {
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_phoneController.dispose();
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_amountController.dispose();
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_memoController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final user = ref.watch(userNotifierProvider);
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final accountSequence = user.accountSequence ?? '';
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final assetAsync = ref.watch(accountAssetProvider(accountSequence));
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final transferState = ref.watch(transferNotifierProvider);
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final availableShares = assetAsync.valueOrNull?.availableShares ?? '0';
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return Scaffold(
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backgroundColor: _bgGray,
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appBar: AppBar(
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backgroundColor: Colors.white,
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elevation: 0,
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leading: IconButton(
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icon: const Icon(Icons.arrow_back, color: _darkText),
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onPressed: () => context.pop(),
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),
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title: const Text(
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'发送积分值',
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.bold,
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color: _darkText,
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),
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),
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centerTitle: true,
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),
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body: SingleChildScrollView(
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child: Column(
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children: [
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const SizedBox(height: 16),
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// 收款方账号
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_buildRecipientSection(transferState),
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const SizedBox(height: 16),
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// 转账金额
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_buildAmountSection(availableShares),
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const SizedBox(height: 16),
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// 备注
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_buildMemoSection(),
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const SizedBox(height: 32),
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// 发送按钮
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_buildSendButton(transferState, availableShares),
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const SizedBox(height: 16),
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// 提示信息
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_buildTips(),
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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 _buildRecipientSection(TransferState transferState) {
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return Container(
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margin: const EdgeInsets.symmetric(horizontal: 16),
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padding: const EdgeInsets.all(20),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(12),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'收款方账号',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.bold,
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color: _darkText,
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),
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),
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const SizedBox(height: 12),
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Row(
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children: [
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Expanded(
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child: TextField(
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controller: _phoneController,
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keyboardType: TextInputType.phone,
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maxLength: 11,
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inputFormatters: [FilteringTextInputFormatter.digitsOnly],
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decoration: InputDecoration(
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hintText: '请输入收款方账号',
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hintStyle: const TextStyle(color: _grayText),
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filled: true,
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fillColor: _bgGray,
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: BorderSide.none,
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: _orange, width: 2),
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),
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counterText: '',
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suffixIcon: _phoneController.text.isNotEmpty
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? IconButton(
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icon: const Icon(Icons.clear, color: _grayText),
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onPressed: () {
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setState(() {
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_phoneController.clear();
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_isRecipientVerified = false;
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_recipientNickname = null;
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});
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},
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)
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: null,
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),
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onChanged: (value) {
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setState(() {
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_isRecipientVerified = false;
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_recipientNickname = null;
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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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height: 48,
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child: ElevatedButton(
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onPressed: transferState.isLoading
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? null
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: _verifyRecipient,
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style: ElevatedButton.styleFrom(
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backgroundColor: _orange,
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foregroundColor: Colors.white,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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padding: const EdgeInsets.symmetric(horizontal: 16),
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),
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child: transferState.isLoading
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? const SizedBox(
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width: 20,
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height: 20,
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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('验证'),
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),
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),
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],
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),
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if (_isRecipientVerified && _recipientNickname != null) ...[
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const SizedBox(height: 12),
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
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decoration: BoxDecoration(
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color: _green.withOpacity(0.1),
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borderRadius: BorderRadius.circular(8),
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),
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child: Row(
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children: [
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const Icon(Icons.check_circle, color: _green, size: 20),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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'收款方: $_recipientNickname',
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style: const TextStyle(
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fontSize: 14,
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color: _green,
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fontWeight: FontWeight.w500,
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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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if (transferState.error != null &&
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!_isRecipientVerified &&
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_phoneController.text.length == 11) ...[
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const SizedBox(height: 12),
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
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decoration: BoxDecoration(
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color: _red.withOpacity(0.1),
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borderRadius: BorderRadius.circular(8),
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),
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child: Row(
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children: [
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const Icon(Icons.error_outline, color: _red, size: 20),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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'用户不存在或无法转账',
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style: const TextStyle(
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fontSize: 14,
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color: _red,
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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 _buildAmountSection(String availableShares) {
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return Container(
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margin: const EdgeInsets.symmetric(horizontal: 16),
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padding: const EdgeInsets.all(20),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(12),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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const Text(
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'转账数量',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.bold,
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color: _darkText,
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),
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),
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Text(
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'可用: ${formatAmount(availableShares)}',
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style: const TextStyle(
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fontSize: 12,
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color: _grayText,
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),
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),
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],
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),
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const SizedBox(height: 12),
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TextField(
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controller: _amountController,
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keyboardType: const TextInputType.numberWithOptions(decimal: true),
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inputFormatters: [
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FilteringTextInputFormatter.allow(RegExp(r'^\d+\.?\d{0,8}')),
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],
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decoration: InputDecoration(
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hintText: '请输入转账数量',
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hintStyle: const TextStyle(color: _grayText),
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filled: true,
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fillColor: _bgGray,
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: BorderSide.none,
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: _orange, width: 2),
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),
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suffixIcon: TextButton(
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onPressed: () {
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_amountController.text = availableShares;
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},
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child: const Text(
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'全部',
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style: TextStyle(
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color: _orange,
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fontWeight: FontWeight.w500,
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),
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),
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),
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),
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onChanged: (value) {
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setState(() {});
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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 _buildMemoSection() {
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return Container(
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margin: const EdgeInsets.symmetric(horizontal: 16),
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padding: const EdgeInsets.all(20),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(12),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'备注 (可选)',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.bold,
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color: _darkText,
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),
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),
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const SizedBox(height: 12),
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TextField(
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controller: _memoController,
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maxLength: 50,
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decoration: InputDecoration(
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hintText: '添加备注信息',
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hintStyle: const TextStyle(color: _grayText),
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filled: true,
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fillColor: _bgGray,
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: BorderSide.none,
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: _orange, width: 2),
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),
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counterStyle: const TextStyle(color: _grayText),
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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 _buildSendButton(TransferState transferState, String availableShares) {
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final amount = double.tryParse(_amountController.text) ?? 0;
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final available = double.tryParse(availableShares) ?? 0;
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final isValid = _isRecipientVerified && amount > 0 && amount <= available;
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: 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: isValid && !transferState.isLoading
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? _handleTransfer
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: null,
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style: ElevatedButton.styleFrom(
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backgroundColor: _orange,
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foregroundColor: Colors.white,
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disabledBackgroundColor: _orange.withOpacity(0.4),
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disabledForegroundColor: Colors.white70,
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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: transferState.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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'确认发送',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.bold,
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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 _buildTips() {
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return Container(
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margin: const EdgeInsets.symmetric(horizontal: 16),
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: _orange.withOpacity(0.05),
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borderRadius: BorderRadius.circular(12),
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),
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child: const Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Icon(Icons.info_outline, size: 16, color: _orange),
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SizedBox(width: 8),
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Text(
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'温馨提示',
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style: TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.bold,
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color: _orange,
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),
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),
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],
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),
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SizedBox(height: 8),
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Text(
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'1. 转账前请确认收款方账号正确\n2. 积分值转账不可撤销，请谨慎操作\n3. 转账后将从您的可用积分值中扣除',
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style: TextStyle(
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fontSize: 12,
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color: _grayText,
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height: 1.5,
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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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Future<void> _verifyRecipient() async {
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final phone = _phoneController.text.trim();
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if (phone.length != 11) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('请输入正确的11位账号'),
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backgroundColor: _red,
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),
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);
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return;
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}
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// 检查是否是自己的账号
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final user = ref.read(userNotifierProvider);
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if (phone == user.phone) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('不能转账给自己'),
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backgroundColor: _red,
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),
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);
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return;
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}
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final notifier = ref.read(transferNotifierProvider.notifier);
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final account = await notifier.lookupRecipient(phone);
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if (account != null && account.exists) {
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setState(() {
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_isRecipientVerified = true;
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_recipientNickname = account.nickname ?? _maskPhone(phone);
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});
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} else {
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setState(() {
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_isRecipientVerified = false;
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_recipientNickname = null;
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});
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}
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}
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String _maskPhone(String phone) {
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if (phone.length != 11) return phone;
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return '${phone.substring(0, 3)}****${phone.substring(7)}';
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}
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Future<void> _handleTransfer() async {
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('确认转账'),
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content: Text(
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'确定要向 $_recipientNickname 发送 ${_amountController.text} 积分值吗？\n\n此操作不可撤销。',
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context, false),
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child: const Text('取消'),
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),
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TextButton(
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onPressed: () => Navigator.pop(context, true),
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child: const Text(
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'确认',
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style: TextStyle(color: _orange),
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),
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),
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],
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),
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);
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if (confirmed != true) return;
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final notifier = ref.read(transferNotifierProvider.notifier);
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final success = await notifier.transfer(
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toPhone: _phoneController.text.trim(),
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amount: _amountController.text.trim(),
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memo: _memoController.text.trim().isEmpty ? null : _memoController.text.trim(),
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);
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if (success && mounted) {
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// 刷新资产数据
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final user = ref.read(userNotifierProvider);
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ref.invalidate(accountAssetProvider(user.accountSequence ?? ''));
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('转账成功'),
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backgroundColor: _green,
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),
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);
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context.pop();
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} else if (mounted) {
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final error = ref.read(transferNotifierProvider).error;
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('转账失败: ${error ?? '未知错误'}'),
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backgroundColor: _red,
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),
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);
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}
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}
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}
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