510 lines
16 KiB
Dart
510 lines
16 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:shadcn_ui/shadcn_ui.dart';
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import 'package:provider/provider.dart';
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import 'package:google_fonts/google_fonts.dart';
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import '../../../core/theme/app_color_scheme.dart';
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import '../../../core/theme/app_spacing.dart';
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import '../../../providers/asset_provider.dart';
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import '../../../data/models/account_models.dart';
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import '../../shared/ui_constants.dart';
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import '../../components/neon_glow.dart';
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/// 划转页面 - 币安风格
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class TransferPage extends StatefulWidget {
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const TransferPage({super.key});
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@override
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State<TransferPage> createState() => _TransferPageState();
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}
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class _TransferPageState extends State<TransferPage> {
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final _amountController = TextEditingController();
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int _direction = 1; // 1: 资金→交易, 2: 交易→资金
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bool _isLoading = false;
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@override
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void initState() {
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super.initState();
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WidgetsBinding.instance.addPostFrameCallback((_) {
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context.read<AssetProvider>().refreshAll(force: true);
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});
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}
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@override
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void dispose() {
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_amountController.dispose();
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super.dispose();
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}
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/// 获取资金账户余额
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String get _fundBalance {
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final provider = context.read<AssetProvider>();
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return provider.fundAccount?.balance ?? provider.overview?.fundBalance ?? '0.00';
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}
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/// 获取交易账户 USDT 余额
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String get _tradeUsdtBalance {
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final provider = context.read<AssetProvider>();
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final usdtHolding = provider.tradeAccounts.firstWhere(
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(t) => t.coinCode.toUpperCase() == 'USDT',
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orElse: () => AccountTrade(
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id: 0,
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userId: 0,
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coinCode: 'USDT',
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quantity: '0',
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avgPrice: '1',
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totalCost: '0',
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currentValue: '0',
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profit: '0',
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profitRate: 0,
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),
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);
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return usdtHolding.quantity;
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}
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/// 获取当前可用余额（根据方向）
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String get _availableBalance {
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return _direction == 1 ? _fundBalance : _tradeUsdtBalance;
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}
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/// 从账户名
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String get _fromLabel => _direction == 1 ? '资金账户' : '交易账户';
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String get _toLabel => _direction == 1 ? '交易账户' : '资金账户';
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String get _fromBalance => _direction == 1 ? _fundBalance : _tradeUsdtBalance;
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String get _toBalance => _direction == 1 ? _tradeUsdtBalance : _fundBalance;
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/// 执行划转
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Future<void> _doTransfer() async {
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final amount = _amountController.text;
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final available = double.tryParse(_availableBalance) ?? 0;
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final transferAmount = double.tryParse(amount) ?? 0;
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if (transferAmount <= 0) {
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_showSnackBar('请输入有效的划转金额');
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return;
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}
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if (transferAmount > available) {
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_showSnackBar('余额不足');
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return;
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}
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setState(() => _isLoading = true);
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try {
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final response = await context.read<AssetProvider>().transfer(
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direction: _direction,
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amount: amount,
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);
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if (mounted) {
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if (response.success) {
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_amountController.clear();
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_showSnackBar('划转成功');
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Navigator.of(context).pop(true);
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} else {
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_showSnackBar(response.message ?? '划转失败');
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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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void _showSnackBar(String message) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text(message)),
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);
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}
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/// 设置快捷百分比金额
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void _setQuickAmount(double percent) {
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final available = double.tryParse(_availableBalance) ?? 0;
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final amount = available * percent;
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// 保留8位小数，去除末尾0
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_amountController.text = amount.toStringAsFixed(8).replaceAll(RegExp(r'\.?0+$'), '');
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}
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@override
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Widget build(BuildContext context) {
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final colorScheme = Theme.of(context).colorScheme;
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final isDark = Theme.of(context).brightness == Brightness.dark;
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return Scaffold(
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backgroundColor: colorScheme.background,
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appBar: AppBar(
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backgroundColor: Colors.transparent,
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elevation: 0,
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leading: IconButton(
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icon: Icon(Icons.arrow_back, color: colorScheme.onSurface),
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onPressed: () => Navigator.of(context).pop(),
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),
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title: Text(
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'资金划转',
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style: GoogleFonts.spaceGrotesk(
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fontSize: 18,
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fontWeight: FontWeight.bold,
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color: colorScheme.onSurface,
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),
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),
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centerTitle: true,
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),
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body: Consumer<AssetProvider>(
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builder: (context, provider, _) {
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return SingleChildScrollView(
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padding: AppSpacing.pagePadding,
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child: Column(
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children: [
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// 从账户卡片
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_buildAccountCard(
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label: '从',
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accountName: _fromLabel,
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balance: _fromBalance,
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isDark: isDark,
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colorScheme: colorScheme,
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),
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// 方向切换按钮
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GestureDetector(
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onTap: () => setState(() => _direction = _direction == 1 ? 2 : 1),
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child: Container(
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margin: EdgeInsets.symmetric(vertical: AppSpacing.sm),
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padding: EdgeInsets.all(AppSpacing.sm + AppSpacing.xs),
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decoration: BoxDecoration(
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color: colorScheme.primary,
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shape: BoxShape.circle,
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boxShadow: [
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BoxShadow(
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color: colorScheme.primary.withOpacity(0.3),
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blurRadius: 8,
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),
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],
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),
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child: Icon(
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Icons.swap_vert,
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color: colorScheme.onPrimary,
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size: 22,
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),
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),
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),
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// 到账户卡片
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_buildAccountCard(
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label: '到',
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accountName: _toLabel,
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balance: _toBalance,
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isDark: isDark,
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colorScheme: colorScheme,
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),
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SizedBox(height: AppSpacing.lg),
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// 金额输入卡片
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_buildAmountSection(colorScheme, isDark),
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SizedBox(height: AppSpacing.lg),
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// 确认按钮
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SizedBox(
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width: double.infinity,
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child: NeonButton(
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text: _isLoading ? '处理中...' : '确认划转',
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icon: _isLoading ? null : LucideIcons.arrowRightLeft,
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type: NeonButtonType.primary,
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onPressed: _isLoading ? null : _doTransfer,
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height: 52,
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showGlow: true,
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),
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),
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SizedBox(height: AppSpacing.md),
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// 划转说明
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_buildTips(colorScheme),
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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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/// 账户卡片
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Widget _buildAccountCard({
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required String label,
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required String accountName,
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required String balance,
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required bool isDark,
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required ColorScheme colorScheme,
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}) {
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return Container(
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width: double.infinity,
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padding: EdgeInsets.all(AppSpacing.md),
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decoration: BoxDecoration(
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color: isDark ? colorScheme.surfaceContainer : colorScheme.surfaceContainerHigh,
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borderRadius: BorderRadius.circular(AppRadius.lg),
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border: Border.all(
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color: colorScheme.outlineVariant.withOpacity(0.15),
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),
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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: [
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Container(
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padding: EdgeInsets.symmetric(horizontal: AppSpacing.sm, vertical: AppSpacing.xs),
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decoration: BoxDecoration(
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color: colorScheme.primary.withOpacity(0.1),
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borderRadius: BorderRadius.circular(AppRadius.sm),
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),
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child: Text(
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label,
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style: TextStyle(
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fontSize: 11,
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fontWeight: FontWeight.w600,
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color: colorScheme.primary,
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),
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),
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),
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SizedBox(width: AppSpacing.sm),
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Text(
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accountName,
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style: GoogleFonts.spaceGrotesk(
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fontSize: 16,
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fontWeight: FontWeight.w600,
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color: colorScheme.onSurface,
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),
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),
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],
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),
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SizedBox(height: AppSpacing.sm),
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Row(
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children: [
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Text(
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'可用余额',
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style: TextStyle(
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fontSize: 12,
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color: colorScheme.onSurfaceVariant,
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),
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),
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SizedBox(width: AppSpacing.xs),
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Text(
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'$balance USDT',
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style: GoogleFonts.spaceGrotesk(
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fontSize: 14,
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fontWeight: FontWeight.bold,
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color: colorScheme.onSurface,
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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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/// 金额输入区域
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Widget _buildAmountSection(ColorScheme colorScheme, bool isDark) {
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return Container(
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width: double.infinity,
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padding: EdgeInsets.all(AppSpacing.md),
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decoration: BoxDecoration(
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color: isDark ? colorScheme.surfaceContainer : colorScheme.surfaceContainerHigh,
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borderRadius: BorderRadius.circular(AppRadius.lg),
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border: Border.all(
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color: colorScheme.outlineVariant.withOpacity(0.15),
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),
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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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Text(
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'划转金额',
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style: TextStyle(
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fontSize: 13,
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color: colorScheme.onSurfaceVariant,
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),
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),
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SizedBox(height: AppSpacing.sm),
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// 金额输入行
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Row(
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crossAxisAlignment: CrossAxisAlignment.end,
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children: [
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Expanded(
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child: 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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style: GoogleFonts.spaceGrotesk(
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fontSize: 32,
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fontWeight: FontWeight.bold,
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color: colorScheme.onSurface,
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),
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decoration: InputDecoration(
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hintText: '0.00',
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hintStyle: GoogleFonts.spaceGrotesk(
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fontSize: 32,
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fontWeight: FontWeight.bold,
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color: colorScheme.onSurfaceVariant.withOpacity(0.3),
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),
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border: InputBorder.none,
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contentPadding: EdgeInsets.zero,
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isDense: true,
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),
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),
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),
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Padding(
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padding: EdgeInsets.only(bottom: 4),
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child: Text(
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'USDT',
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style: TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w600,
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color: colorScheme.onSurfaceVariant,
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),
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),
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),
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],
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),
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SizedBox(height: AppSpacing.sm),
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// 快捷按钮行
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Row(
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children: [
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Text(
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'可用: ${_availableBalance}',
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style: TextStyle(
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fontSize: 12,
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color: colorScheme.onSurfaceVariant,
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),
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),
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Spacer(),
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_buildQuickButton('25%', 0.25, colorScheme),
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SizedBox(width: AppSpacing.xs),
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_buildQuickButton('50%', 0.50, colorScheme),
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SizedBox(width: AppSpacing.xs),
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_buildQuickButton('75%', 0.75, colorScheme),
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SizedBox(width: AppSpacing.xs),
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_buildQuickButton('全部', 1.0, colorScheme),
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],
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),
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if (_direction == 2) ...[
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SizedBox(height: AppSpacing.sm),
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Container(
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padding: EdgeInsets.all(AppSpacing.sm),
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decoration: BoxDecoration(
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color: AppColorScheme.warning.withOpacity(0.1),
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borderRadius: BorderRadius.circular(AppRadius.sm),
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),
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child: Row(
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children: [
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Icon(
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LucideIcons.triangleAlert,
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size: 14,
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color: AppColorScheme.warning,
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),
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SizedBox(width: AppSpacing.xs),
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Expanded(
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child: Text(
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'仅支持 USDT 资产划转到资金账户',
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style: TextStyle(
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fontSize: 11,
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color: AppColorScheme.warning,
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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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/// 快捷百分比按钮
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Widget _buildQuickButton(String label, double percent, ColorScheme colorScheme) {
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return GestureDetector(
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onTap: () => _setQuickAmount(percent),
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child: Container(
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padding: EdgeInsets.symmetric(horizontal: AppSpacing.sm, vertical: AppSpacing.xs),
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decoration: BoxDecoration(
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color: colorScheme.primary.withOpacity(0.1),
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borderRadius: BorderRadius.circular(AppRadius.sm),
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),
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child: Text(
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label,
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style: TextStyle(
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fontSize: 12,
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fontWeight: FontWeight.w600,
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color: colorScheme.primary,
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),
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),
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),
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);
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}
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/// 划转说明
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Widget _buildTips(ColorScheme colorScheme) {
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return Container(
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padding: EdgeInsets.all(AppSpacing.md),
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decoration: BoxDecoration(
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color: colorScheme.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(AppRadius.md),
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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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Text(
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'划转说明',
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style: GoogleFonts.spaceGrotesk(
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fontSize: 12,
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fontWeight: FontWeight.w600,
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color: colorScheme.onSurfaceVariant,
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),
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),
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SizedBox(height: AppSpacing.sm),
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_buildTipItem('资金账户用于充提，交易账户用于买卖币种', colorScheme),
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_buildTipItem('划转操作即时到账，不可撤销', colorScheme),
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_buildTipItem('交易账户只有 USDT 可直接划转到资金账户', colorScheme),
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_buildTipItem('其他币种需先卖出换成 USDT 后才能划转', colorScheme),
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],
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),
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);
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}
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Widget _buildTipItem(String text, ColorScheme colorScheme) {
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return Padding(
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padding: EdgeInsets.only(bottom: AppSpacing.xs),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Container(
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width: 4,
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height: 4,
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margin: EdgeInsets.only(top: 6, right: AppSpacing.sm),
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decoration: BoxDecoration(
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color: colorScheme.onSurfaceVariant,
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shape: BoxShape.circle,
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),
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),
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Expanded(
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child: Text(
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text,
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style: TextStyle(
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fontSize: 11,
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color: colorScheme.onSurfaceVariant,
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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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