819 lines
27 KiB
Dart
819 lines
27 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/c2c_providers.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/trading_providers.dart';
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class C2cPublishPage extends ConsumerStatefulWidget {
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const C2cPublishPage({super.key});
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@override
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ConsumerState<C2cPublishPage> createState() => _C2cPublishPageState();
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}
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class _C2cPublishPageState extends ConsumerState<C2cPublishPage> {
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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 _red = Color(0xFFEF4444);
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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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int _selectedType = 1; // 0: 买入, 1: 卖出
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final _priceController = TextEditingController();
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final _quantityController = TextEditingController();
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final _remarkController = TextEditingController();
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// 收款信息（卖单必填）
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String _paymentMethod = 'ALIPAY'; // ALIPAY, WECHAT, BANK
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final _paymentAccountController = TextEditingController();
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final _paymentRealNameController = TextEditingController();
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@override
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void dispose() {
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_priceController.dispose();
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_quantityController.dispose();
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_remarkController.dispose();
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_paymentAccountController.dispose();
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_paymentRealNameController.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 priceAsync = ref.watch(currentPriceProvider);
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final c2cState = ref.watch(c2cTradingNotifierProvider);
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final asset = assetAsync.valueOrNull;
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final currentPrice = priceAsync.valueOrNull?.price ?? '0';
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final availableShares = asset?.availableShares ?? '0';
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final availableCash = asset?.availableCash ?? '0';
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// 设置默认价格
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if (_priceController.text.isEmpty && currentPrice != '0') {
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_priceController.text = currentPrice;
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}
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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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'发布广告',
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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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// 交易类型选择
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_buildTypeSelector(),
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const SizedBox(height: 16),
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// 可用余额
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_buildBalanceCard(availableShares, availableCash),
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const SizedBox(height: 16),
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// 价格输入
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_buildPriceInput(currentPrice),
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const SizedBox(height: 16),
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// 数量输入
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_buildQuantityInput(availableShares, availableCash, currentPrice),
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const SizedBox(height: 16),
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// 收款信息（卖单必填）
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if (_selectedType == 1) ...[
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_buildPaymentInfoInput(),
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const SizedBox(height: 16),
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],
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// 备注
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_buildRemarkInput(),
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const SizedBox(height: 16),
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// 预估信息
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_buildEstimateCard(),
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const SizedBox(height: 24),
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// 发布按钮
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_buildPublishButton(c2cState),
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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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const SizedBox(height: 24),
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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 _buildTypeSelector() {
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return Container(
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margin: const EdgeInsets.symmetric(horizontal: 16),
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padding: const EdgeInsets.all(4),
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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: Row(
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children: [
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Expanded(
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child: GestureDetector(
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onTap: () => setState(() => _selectedType = 0),
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child: Container(
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padding: const EdgeInsets.symmetric(vertical: 12),
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decoration: BoxDecoration(
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color: _selectedType == 0 ? _green : Colors.transparent,
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borderRadius: BorderRadius.circular(8),
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),
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child: Text(
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'我要买入',
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textAlign: TextAlign.center,
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style: TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.bold,
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color: _selectedType == 0 ? Colors.white : _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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Expanded(
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child: GestureDetector(
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onTap: () => setState(() => _selectedType = 1),
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child: Container(
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padding: const EdgeInsets.symmetric(vertical: 12),
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decoration: BoxDecoration(
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color: _selectedType == 1 ? _red : Colors.transparent,
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borderRadius: BorderRadius.circular(8),
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),
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child: Text(
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'我要卖出',
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textAlign: TextAlign.center,
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style: TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.bold,
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color: _selectedType == 1 ? Colors.white : _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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),
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);
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}
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Widget _buildBalanceCard(String availableShares, String availableCash) {
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final isBuy = _selectedType == 0;
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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: Colors.white,
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borderRadius: BorderRadius.circular(12),
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),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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isBuy ? '可用积分值' : '可用积分股',
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style: const TextStyle(fontSize: 14, color: _grayText),
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),
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Text(
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isBuy ? formatAmount(availableCash) : formatAmount(availableShares),
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.bold,
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color: isBuy ? _green : _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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}
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Widget _buildPriceInput(String currentPrice) {
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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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'单价',
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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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'当前价: ${formatPrice(currentPrice)}',
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style: const TextStyle(fontSize: 12, color: _grayText),
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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: _priceController,
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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: '请输入单价',
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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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suffixText: '积分值/股',
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suffixStyle: const TextStyle(color: _grayText, fontSize: 14),
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),
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onChanged: (_) => 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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Widget _buildQuantityInput(
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String availableShares,
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String availableCash,
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String currentPrice,
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) {
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final isBuy = _selectedType == 0;
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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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'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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const SizedBox(height: 12),
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TextField(
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controller: _quantityController,
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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{0,4}')),
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],
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decoration: InputDecoration(
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hintText: '请输入数量',
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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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if (isBuy) {
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// 买入：根据可用积分值计算可买数量
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final price = double.tryParse(_priceController.text) ?? 0;
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final cash = double.tryParse(availableCash) ?? 0;
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if (price > 0) {
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_quantityController.text = (cash / price).toStringAsFixed(4);
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}
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} else {
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// 卖出：填入全部可用积分股
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_quantityController.text = availableShares;
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}
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setState(() {});
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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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suffixText: '积分股',
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suffixStyle: const TextStyle(color: _grayText, fontSize: 14),
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),
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onChanged: (_) => 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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Widget _buildPaymentInfoInput() {
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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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children: const [
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Text(
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'收款信息',
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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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SizedBox(width: 8),
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Text(
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'(必填)',
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style: TextStyle(fontSize: 12, color: _red),
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),
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],
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),
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const SizedBox(height: 16),
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// 收款方式选择
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const Text(
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'收款方式',
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style: TextStyle(fontSize: 14, color: _grayText),
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),
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const SizedBox(height: 8),
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Row(
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children: [
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_buildPaymentMethodChip('ALIPAY', '支付宝', Icons.account_balance_wallet),
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const SizedBox(width: 12),
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_buildPaymentMethodChip('WECHAT', '微信', Icons.chat_bubble),
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const SizedBox(width: 12),
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_buildPaymentMethodChip('BANK', '银行卡', Icons.credit_card),
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],
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),
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const SizedBox(height: 16),
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// 收款账号
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const Text(
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'收款账号',
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style: TextStyle(fontSize: 14, color: _grayText),
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),
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const SizedBox(height: 8),
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TextField(
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controller: _paymentAccountController,
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decoration: InputDecoration(
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hintText: _paymentMethod == 'BANK' ? '请输入银行卡号' : '请输入收款账号',
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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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),
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),
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const SizedBox(height: 16),
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// 收款人实名
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const Text(
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'收款人姓名',
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style: TextStyle(fontSize: 14, color: _grayText),
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),
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const SizedBox(height: 8),
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TextField(
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controller: _paymentRealNameController,
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decoration: InputDecoration(
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hintText: '请输入收款人真实姓名',
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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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),
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),
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const SizedBox(height: 12),
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Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: _orange.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: const [
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Icon(Icons.info_outline, size: 16, color: _orange),
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SizedBox(width: 8),
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Expanded(
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child: Text(
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'买家会根据您填写的收款信息进行付款，请确保信息准确',
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style: TextStyle(fontSize: 12, 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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],
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),
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);
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}
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|
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Widget _buildPaymentMethodChip(String value, String label, IconData icon) {
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final isSelected = _paymentMethod == value;
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return GestureDetector(
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onTap: () => setState(() => _paymentMethod = value),
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 10),
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decoration: BoxDecoration(
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color: isSelected ? _orange : _bgGray,
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borderRadius: BorderRadius.circular(8),
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border: isSelected ? null : Border.all(color: Colors.grey.shade300),
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),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(
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icon,
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size: 18,
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color: isSelected ? Colors.white : _grayText,
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),
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const SizedBox(width: 6),
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Text(
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label,
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style: TextStyle(
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fontSize: 13,
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color: isSelected ? Colors.white : _darkText,
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fontWeight: isSelected ? FontWeight.bold : FontWeight.normal,
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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 _buildRemarkInput() {
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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: _remarkController,
|
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maxLength: 100,
|
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maxLines: 2,
|
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decoration: InputDecoration(
|
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hintText: '添加交易说明，如联系方式等',
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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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),
|
|
counterStyle: const TextStyle(color: _grayText),
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),
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),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
|
|
Widget _buildEstimateCard() {
|
|
final price = double.tryParse(_priceController.text) ?? 0;
|
|
final quantity = double.tryParse(_quantityController.text) ?? 0;
|
|
final total = price * quantity;
|
|
final isBuy = _selectedType == 0;
|
|
|
|
return Container(
|
|
margin: const EdgeInsets.symmetric(horizontal: 16),
|
|
padding: const EdgeInsets.all(16),
|
|
decoration: BoxDecoration(
|
|
color: _orange.withOpacity(0.05),
|
|
borderRadius: BorderRadius.circular(12),
|
|
border: Border.all(color: _orange.withOpacity(0.2)),
|
|
),
|
|
child: Column(
|
|
children: [
|
|
Row(
|
|
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
|
children: [
|
|
const Text('交易总额', style: TextStyle(fontSize: 14, color: _grayText)),
|
|
Text(
|
|
'${formatAmount(total.toString())} 积分值',
|
|
style: const TextStyle(
|
|
fontSize: 18,
|
|
fontWeight: FontWeight.bold,
|
|
color: _orange,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 8),
|
|
Divider(color: _orange.withOpacity(0.2)),
|
|
const SizedBox(height: 8),
|
|
Text(
|
|
isBuy
|
|
? '发布后，其他用户可以接单卖出积分股给您'
|
|
: '发布后，其他用户可以接单用积分值购买您的积分股',
|
|
style: const TextStyle(fontSize: 12, color: _grayText),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
|
|
Widget _buildPublishButton(C2cTradingState c2cState) {
|
|
final price = double.tryParse(_priceController.text) ?? 0;
|
|
final quantity = double.tryParse(_quantityController.text) ?? 0;
|
|
final isSell = _selectedType == 1;
|
|
|
|
// 卖单需要验证收款信息
|
|
bool isValid = price > 0 && quantity > 0;
|
|
if (isSell) {
|
|
isValid = isValid &&
|
|
_paymentAccountController.text.trim().isNotEmpty &&
|
|
_paymentRealNameController.text.trim().isNotEmpty;
|
|
}
|
|
|
|
return Padding(
|
|
padding: const EdgeInsets.symmetric(horizontal: 16),
|
|
child: SizedBox(
|
|
width: double.infinity,
|
|
height: 50,
|
|
child: ElevatedButton(
|
|
onPressed: isValid && !c2cState.isLoading ? _handlePublish : null,
|
|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: _selectedType == 0 ? _green : _red,
|
|
foregroundColor: Colors.white,
|
|
disabledBackgroundColor: (_selectedType == 0 ? _green : _red).withOpacity(0.4),
|
|
disabledForegroundColor: Colors.white70,
|
|
shape: RoundedRectangleBorder(
|
|
borderRadius: BorderRadius.circular(12),
|
|
),
|
|
),
|
|
child: c2cState.isLoading
|
|
? const SizedBox(
|
|
width: 24,
|
|
height: 24,
|
|
child: CircularProgressIndicator(
|
|
strokeWidth: 2,
|
|
color: Colors.white,
|
|
),
|
|
)
|
|
: Text(
|
|
_selectedType == 0 ? '发布买入广告' : '发布卖出广告',
|
|
style: const TextStyle(
|
|
fontSize: 16,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
Widget _buildTips() {
|
|
return Container(
|
|
margin: const EdgeInsets.symmetric(horizontal: 16),
|
|
padding: const EdgeInsets.all(16),
|
|
decoration: BoxDecoration(
|
|
color: Colors.white,
|
|
borderRadius: BorderRadius.circular(12),
|
|
),
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Row(
|
|
children: const [
|
|
Icon(Icons.info_outline, size: 16, color: _orange),
|
|
SizedBox(width: 8),
|
|
Text(
|
|
'交易说明',
|
|
style: TextStyle(
|
|
fontSize: 14,
|
|
fontWeight: FontWeight.bold,
|
|
color: _orange,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 8),
|
|
const Text(
|
|
'1. 发布广告后，您的资产将被冻结直到交易完成或取消\n'
|
|
'2. 其他用户接单后，需在规定时间内完成交易\n'
|
|
'3. 买方需先转账积分值，卖方确认收款后积分股自动划转\n'
|
|
'4. 如遇问题，请联系客服处理',
|
|
style: TextStyle(
|
|
fontSize: 12,
|
|
color: _grayText,
|
|
height: 1.5,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
|
|
Future<void> _handlePublish() async {
|
|
final price = _priceController.text.trim();
|
|
final quantity = _quantityController.text.trim();
|
|
final remark = _remarkController.text.trim();
|
|
final type = _selectedType == 0 ? 'BUY' : 'SELL';
|
|
final isSell = _selectedType == 1;
|
|
|
|
// 卖单验证收款信息
|
|
if (isSell) {
|
|
if (_paymentAccountController.text.trim().isEmpty) {
|
|
ScaffoldMessenger.of(context).showSnackBar(
|
|
const SnackBar(content: Text('请填写收款账号'), backgroundColor: _red),
|
|
);
|
|
return;
|
|
}
|
|
if (_paymentRealNameController.text.trim().isEmpty) {
|
|
ScaffoldMessenger.of(context).showSnackBar(
|
|
const SnackBar(content: Text('请填写收款人姓名'), backgroundColor: _red),
|
|
);
|
|
return;
|
|
}
|
|
}
|
|
|
|
final paymentMethodText = _paymentMethod == 'ALIPAY'
|
|
? '支付宝'
|
|
: _paymentMethod == 'WECHAT'
|
|
? '微信'
|
|
: '银行卡';
|
|
|
|
// 确认对话框
|
|
final confirmed = await showDialog<bool>(
|
|
context: context,
|
|
builder: (context) => AlertDialog(
|
|
title: Text(_selectedType == 0 ? '确认发布买入广告' : '确认发布卖出广告'),
|
|
content: Column(
|
|
mainAxisSize: MainAxisSize.min,
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Text('单价: $price 积分值/股'),
|
|
const SizedBox(height: 8),
|
|
Text('数量: $quantity 积分股'),
|
|
const SizedBox(height: 8),
|
|
Text(
|
|
'总额: ${formatAmount((double.parse(price) * double.parse(quantity)).toString())} 积分值',
|
|
style: const TextStyle(fontWeight: FontWeight.bold),
|
|
),
|
|
if (isSell) ...[
|
|
const SizedBox(height: 16),
|
|
const Divider(),
|
|
const SizedBox(height: 8),
|
|
Text('收款方式: $paymentMethodText'),
|
|
const SizedBox(height: 4),
|
|
Text('收款账号: ${_paymentAccountController.text.trim()}'),
|
|
const SizedBox(height: 4),
|
|
Text('收款人: ${_paymentRealNameController.text.trim()}'),
|
|
],
|
|
const SizedBox(height: 16),
|
|
Text(
|
|
_selectedType == 0
|
|
? '发布后，您的积分值将被冻结'
|
|
: '发布后，您的积分股将被冻结',
|
|
style: TextStyle(fontSize: 12, color: _grayText),
|
|
),
|
|
],
|
|
),
|
|
actions: [
|
|
TextButton(
|
|
onPressed: () => Navigator.pop(context, false),
|
|
child: const Text('取消'),
|
|
),
|
|
TextButton(
|
|
onPressed: () => Navigator.pop(context, true),
|
|
child: Text(
|
|
'确认发布',
|
|
style: TextStyle(color: _selectedType == 0 ? _green : _red),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
|
|
if (confirmed != true) return;
|
|
|
|
final notifier = ref.read(c2cTradingNotifierProvider.notifier);
|
|
final success = await notifier.createOrder(
|
|
type: type,
|
|
price: price,
|
|
quantity: quantity,
|
|
// 收款信息（卖单时传递）
|
|
paymentMethod: isSell ? _paymentMethod : null,
|
|
paymentAccount: isSell ? _paymentAccountController.text.trim() : null,
|
|
paymentRealName: isSell ? _paymentRealNameController.text.trim() : null,
|
|
remark: remark.isEmpty ? null : remark,
|
|
);
|
|
|
|
if (success && mounted) {
|
|
// 刷新列表
|
|
ref.invalidate(c2cOrdersProvider(type));
|
|
ref.invalidate(myC2cOrdersProvider);
|
|
// 刷新资产
|
|
final user = ref.read(userNotifierProvider);
|
|
ref.invalidate(accountAssetProvider(user.accountSequence ?? ''));
|
|
|
|
ScaffoldMessenger.of(context).showSnackBar(
|
|
const SnackBar(
|
|
content: Text('广告发布成功'),
|
|
backgroundColor: _green,
|
|
),
|
|
);
|
|
context.pop();
|
|
} else if (mounted) {
|
|
final error = ref.read(c2cTradingNotifierProvider).error;
|
|
ScaffoldMessenger.of(context).showSnackBar(
|
|
SnackBar(
|
|
content: Text('发布失败: ${error ?? '未知错误'}'),
|
|
backgroundColor: _red,
|
|
),
|
|
);
|
|
}
|
|
}
|
|
}
|