287 lines
9.1 KiB
Dart
287 lines
9.1 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 '../../core/network/api_exception.dart';
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import '../../core/theme/app_theme.dart';
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import '../../providers/asset_provider.dart';
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import '../../services/asset_service.dart';
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import '../feed/widgets/feed_overlays.dart';
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import 'assets_screen.dart';
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/// 提现页（《03-接口文档》9.5/9.6）：提现表单 + 提现记录
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class WithdrawScreen extends ConsumerStatefulWidget {
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const WithdrawScreen({super.key});
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@override
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ConsumerState<WithdrawScreen> createState() => _WithdrawScreenState();
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}
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class _WithdrawScreenState extends ConsumerState<WithdrawScreen> {
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final _amountCtrl = TextEditingController();
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final _accountCtrl = TextEditingController();
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int _channel = 1;
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bool _submitting = false;
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static const _channels = [
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{'value': 1, 'label': '支付宝', 'hint': '支付宝账号（手机号/邮箱）'},
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{'value': 2, 'label': '微信', 'hint': '微信收款账号'},
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{'value': 3, 'label': 'USDT', 'hint': 'USDT 收款地址（TRC20）'},
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];
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@override
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void dispose() {
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_amountCtrl.dispose();
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_accountCtrl.dispose();
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super.dispose();
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}
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Map<String, Object> get _channelCfg =>
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_channels.firstWhere((c) => c['value'] == _channel);
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@override
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Widget build(BuildContext context) {
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final asset = ref.watch(assetProvider);
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final records = ref.watch(withdrawRecordsProvider);
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final wallet = asset.wallet;
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return Scaffold(
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appBar: AppBar(title: const Text('申请提现')),
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body: ListView(
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padding: const EdgeInsets.all(16),
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children: [
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_buildForm(wallet),
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const SizedBox(height: 24),
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const Text(
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'提现记录',
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.w700),
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),
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const SizedBox(height: 8),
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if (records.isLoading && records.items.isEmpty)
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const Padding(
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padding: EdgeInsets.symmetric(vertical: 32),
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child: Center(child: CircularProgressIndicator()),
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)
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else if (records.items.isEmpty)
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const Padding(
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padding: EdgeInsets.symmetric(vertical: 32),
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child: Center(
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child: Text('暂无提现记录',
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style: TextStyle(color: AppColors.textWeak)),
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),
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)
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else ...[
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for (final r in records.items) _WithdrawTile(record: r),
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if (records.hasMore)
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TextButton(
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onPressed: () =>
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ref.read(withdrawRecordsProvider.notifier).loadMore(),
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child: const Text('加载更多'),
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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 _buildForm(AssetWallet? wallet) {
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final hasPending = wallet?.hasPendingWithdraw ?? false;
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return Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: AppColors.surface,
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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: [
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Text(
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'可提资产 ${fmtAssets(wallet?.assets ?? 0)}',
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style: const TextStyle(color: AppColors.textSecondary),
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),
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const Spacer(),
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Text(
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'最低 ${wallet?.minWithdrawAssets ?? 100} 资产',
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style:
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const TextStyle(color: AppColors.textWeak, fontSize: 12),
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),
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],
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),
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const SizedBox(height: 12),
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// 金额
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TextField(
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controller: _amountCtrl,
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enabled: !hasPending,
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keyboardType:
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const TextInputType.numberWithOptions(decimal: true),
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inputFormatters: [
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FilteringTextInputFormatter.allow(RegExp(r'^\d+\.?\d{0,2}')),
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],
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decoration: InputDecoration(
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labelText: '提现金额（资产）',
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suffix: TextButton(
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onPressed: hasPending || wallet == null
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? null
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: () => _amountCtrl.text = fmtAssets(wallet.assets),
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child: const Text('全部提现'),
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),
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),
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),
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const SizedBox(height: 12),
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// 渠道
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Row(
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children: _channels.map((c) {
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final active = _channel == c['value'];
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return Padding(
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padding: const EdgeInsets.only(right: 8),
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child: ChoiceChip(
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label: Text(c['label'] as String),
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selected: active,
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onSelected: hasPending
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? null
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: (_) => setState(() => _channel = c['value'] as int),
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selectedColor: AppColors.primary,
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backgroundColor: AppColors.surface,
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labelStyle: TextStyle(
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color: active ? Colors.white : AppColors.textSecondary,
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),
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),
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);
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}).toList(),
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),
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const SizedBox(height: 12),
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// 账号
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TextField(
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controller: _accountCtrl,
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enabled: !hasPending,
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decoration: InputDecoration(
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labelText: '收款账号',
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hintText: _channelCfg['hint'] as String,
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),
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),
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if (hasPending) ...[
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const SizedBox(height: 12),
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const Text(
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'有一笔提现审核中，审核完成后才能再次申请',
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style: TextStyle(color: AppColors.gold, fontSize: 12),
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),
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],
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const SizedBox(height: 16),
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SizedBox(
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width: double.infinity,
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child: ElevatedButton(
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onPressed:
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_submitting || hasPending ? null : () => _submit(wallet),
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style: ElevatedButton.styleFrom(
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minimumSize: const Size(0, 44),
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),
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child: Text(_submitting ? '提交中…' : '提交申请'),
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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> _submit(AssetWallet? wallet) async {
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final amount = double.tryParse(_amountCtrl.text.trim());
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final account = _accountCtrl.text.trim();
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final minAssets = wallet?.minWithdrawAssets ?? 100;
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if (amount == null || amount <= 0) {
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showTopToast(context, '请输入提现金额');
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return;
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}
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if (amount < minAssets) {
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showTopToast(context, '最低提现 $minAssets 资产');
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return;
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}
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if (wallet != null && amount > wallet.assets) {
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showTopToast(context, '超出可提资产余额');
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return;
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}
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if (account.isEmpty) {
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showTopToast(context, '请输入收款账号');
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return;
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}
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setState(() => _submitting = true);
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try {
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final result = await AssetService.applyWithdraw(
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assets: amount,
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channel: _channel,
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account: account,
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);
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if (!mounted) return;
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showTopToast(
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context,
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'提现申请已提交：¥${result.amountYuan.toStringAsFixed(2)}，等待审核',
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);
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_amountCtrl.clear();
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// 刷新资产与记录
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ref.read(assetProvider.notifier).load();
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ref.read(withdrawRecordsProvider.notifier).load();
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} on ApiException catch (e) {
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if (mounted) showTopToast(context, e.message);
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} catch (_) {
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if (mounted) showTopToast(context, '提交失败，请稍后重试');
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} finally {
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if (mounted) setState(() => _submitting = false);
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}
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}
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}
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class _WithdrawTile extends StatelessWidget {
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const _WithdrawTile({required this.record});
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final WithdrawRecord record;
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Color get _statusColor => switch (record.status) {
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1 => Colors.greenAccent,
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2 => AppColors.primary,
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_ => AppColors.gold,
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};
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@override
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Widget build(BuildContext context) {
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return Padding(
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padding: const EdgeInsets.symmetric(vertical: 10),
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child: Row(
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children: [
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Expanded(
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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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'¥${record.amountYuan.toStringAsFixed(2)}（${fmtAssets(record.assets)} 资产）',
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style: const TextStyle(fontSize: 15),
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),
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Text(
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'${record.channelLabel} · ${record.withdrawNo}',
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: const TextStyle(
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color: AppColors.textWeak,
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fontSize: 12,
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),
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),
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Text(
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record.createdAt,
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style: const TextStyle(
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color: AppColors.textWeak,
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fontSize: 11,
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),
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),
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],
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),
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),
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Text(
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record.statusText,
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style: TextStyle(color: _statusColor, fontSize: 13),
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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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