云算力平台windows桌面应用
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lzx
239
lib/screens/mining_info_screen.dart
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239
lib/screens/mining_info_screen.dart
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import 'package:flutter/material.dart';
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import 'package:intl/intl.dart';
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import 'dart:async';
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import '../models/client_status.dart';
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import '../core/mining_manager.dart';
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class MiningInfoScreen extends StatefulWidget {
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final MiningInfo miningInfo;
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const MiningInfoScreen({
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super.key,
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required this.miningInfo,
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});
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@override
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State<MiningInfoScreen> createState() => _MiningInfoScreenState();
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}
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class _MiningInfoScreenState extends State<MiningInfoScreen> {
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final MiningManager _miningManager = MiningManager();
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final ScrollController _logScrollController = ScrollController();
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final List<String> _minerLogs = [];
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StreamSubscription<String>? _logSubscription;
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bool _autoScroll = true;
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@override
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void initState() {
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super.initState();
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_startLogMonitoring();
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}
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void _startLogMonitoring() {
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_logSubscription = _miningManager.minerLogStream.listen((log) {
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setState(() {
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_minerLogs.add(log);
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// 限制日志行数，避免内存溢出
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if (_minerLogs.length > 1000) {
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_minerLogs.removeAt(0);
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}
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});
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if (_autoScroll && _logScrollController.hasClients) {
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_scrollToBottom();
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}
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});
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}
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void _scrollToBottom() {
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if (_logScrollController.hasClients) {
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_logScrollController.animateTo(
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_logScrollController.position.maxScrollExtent,
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duration: const Duration(milliseconds: 300),
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curve: Curves.easeOut,
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);
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}
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}
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@override
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void dispose() {
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_logSubscription?.cancel();
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_logScrollController.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 endTime = DateTime.fromMillisecondsSinceEpoch(widget.miningInfo.endTimestamp * 1000);
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final formatter = DateFormat('yyyy-MM-dd HH:mm:ss');
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return Scaffold(
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appBar: AppBar(
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title: const Text('挖矿信息'),
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),
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body: SingleChildScrollView(
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padding: const EdgeInsets.all(16.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 挖矿任务信息卡片
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Card(
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child: Padding(
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padding: const EdgeInsets.all(16.0),
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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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'当前挖矿任务',
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style: TextStyle(
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fontSize: 20,
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fontWeight: FontWeight.bold,
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),
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),
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const Divider(),
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_buildInfoRow('币种', widget.miningInfo.coin),
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_buildInfoRow('算法', widget.miningInfo.algo),
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_buildInfoRow('矿池', widget.miningInfo.pool),
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_buildInfoRow('矿池地址', widget.miningInfo.poolUrl),
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_buildInfoRow('钱包地址', widget.miningInfo.walletAddress),
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_buildInfoRow('矿工号', widget.miningInfo.workerId),
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if (widget.miningInfo.miner != null)
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_buildInfoRow('挖矿软件', widget.miningInfo.miner!),
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if (widget.miningInfo.pid != null)
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_buildInfoRow('进程ID', widget.miningInfo.pid.toString()),
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_buildInfoRow(
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'结束时间',
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formatter.format(endTime),
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),
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const SizedBox(height: 16),
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_buildTimeRemaining(endTime),
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],
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),
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),
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),
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const SizedBox(height: 16),
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// 挖矿日志卡片
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Card(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Padding(
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padding: const EdgeInsets.all(16.0),
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child: Row(
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children: [
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const Text(
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'挖矿日志',
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style: TextStyle(
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fontSize: 20,
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fontWeight: FontWeight.bold,
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),
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),
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const Spacer(),
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IconButton(
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icon: Icon(_autoScroll ? Icons.arrow_downward : Icons.arrow_upward),
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onPressed: () {
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setState(() {
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_autoScroll = !_autoScroll;
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});
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},
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tooltip: _autoScroll ? '关闭自动滚动' : '开启自动滚动',
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),
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IconButton(
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icon: const Icon(Icons.clear),
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onPressed: () {
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setState(() {
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_minerLogs.clear();
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});
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},
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tooltip: '清空日志',
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),
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],
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),
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),
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const Divider(height: 1),
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Container(
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height: 400,
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padding: const EdgeInsets.all(8.0),
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child: _minerLogs.isEmpty
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? const Center(
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child: Text(
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'暂无日志输出',
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style: TextStyle(color: Colors.grey),
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),
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)
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: SingleChildScrollView(
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controller: _logScrollController,
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child: SelectableText(
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_minerLogs.join('\n'),
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style: const TextStyle(
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fontFamily: 'monospace',
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fontSize: 12,
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),
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),
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),
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),
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],
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),
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),
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],
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),
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),
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);
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}
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Widget _buildInfoRow(String label, String value) {
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return Padding(
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padding: const EdgeInsets.symmetric(vertical: 8.0),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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SizedBox(
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width: 100,
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child: Text(
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'$label:',
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style: const TextStyle(fontWeight: FontWeight.w500),
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),
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),
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Expanded(
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child: Text(value),
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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 _buildTimeRemaining(DateTime endTime) {
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final now = DateTime.now();
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final remaining = endTime.difference(now);
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if (remaining.isNegative) {
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return const Card(
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color: Colors.red,
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child: Padding(
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padding: EdgeInsets.all(8.0),
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child: Text(
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'任务已结束',
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style: TextStyle(color: Colors.white),
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),
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),
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);
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}
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final hours = remaining.inHours;
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final minutes = remaining.inMinutes.remainder(60);
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final seconds = remaining.inSeconds.remainder(60);
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return Card(
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color: Colors.green,
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child: Padding(
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padding: const EdgeInsets.all(8.0),
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child: Text(
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'剩余时间: ${hours}小时 ${minutes}分钟 ${seconds}秒',
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style: const TextStyle(
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color: Colors.white,
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fontWeight: FontWeight.bold,
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),
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),
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),
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);
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}
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}
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