投稿功能
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Developer
271
lib/views/profile/expand/tougao.dart
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271
lib/views/profile/expand/tougao.dart
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import 'dart:convert';
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import 'package:flutter/material.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import '../../../constants/app_constants.dart';
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class ManuscriptRecord {
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final String name;
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final String catename;
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final String url;
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final String keywords;
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final String introduce;
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final String platform;
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final DateTime submitTime;
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ManuscriptRecord({
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required this.name,
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required this.catename,
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required this.url,
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required this.keywords,
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required this.introduce,
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required this.platform,
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required this.submitTime,
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});
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Map<String, dynamic> toJson() {
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return {
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'name': name,
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'catename': catename,
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'url': url,
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'keywords': keywords,
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'introduce': introduce,
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'platform': platform,
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'submitTime': submitTime.toIso8601String(),
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};
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}
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factory ManuscriptRecord.fromJson(Map<String, dynamic> json) {
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return ManuscriptRecord(
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name: json['name'] ?? '',
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catename: json['catename'] ?? '',
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url: json['url'] ?? '',
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keywords: json['keywords'] ?? '',
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introduce: json['introduce'] ?? '',
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platform: json['platform'] ?? '',
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submitTime: DateTime.parse(
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json['submitTime'] ?? DateTime.now().toIso8601String(),
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),
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);
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}
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}
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class TougaoPage extends StatefulWidget {
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const TougaoPage({super.key});
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@override
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State<TougaoPage> createState() => _TougaoPageState();
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}
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class _TougaoPageState extends State<TougaoPage> {
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List<ManuscriptRecord> _records = [];
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bool _isLoading = true;
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@override
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void initState() {
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super.initState();
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_loadRecords();
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}
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Future<void> _loadRecords() async {
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try {
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final prefs = await SharedPreferences.getInstance();
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final recordsJson = prefs.getStringList('manuscript_records') ?? [];
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setState(() {
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_records =
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recordsJson
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.map((json) => ManuscriptRecord.fromJson(jsonDecode(json)))
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.toList()
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..sort((a, b) => b.submitTime.compareTo(a.submitTime));
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_isLoading = false;
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});
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} catch (e) {
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setState(() => _isLoading = false);
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}
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}
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Future<void> _clearAllRecords() async {
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final confirm = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
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title: const Row(
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children: [
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Icon(Icons.warning_amber_rounded, color: AppConstants.errorColor),
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SizedBox(width: 8),
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Text('确认清空'),
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],
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),
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content: const Text('确定要清空所有投稿记录吗？此操作不可恢复。'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context, false),
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child: const Text('取消'),
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),
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ElevatedButton(
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onPressed: () => Navigator.pop(context, true),
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style: ElevatedButton.styleFrom(
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backgroundColor: AppConstants.errorColor,
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foregroundColor: Colors.white,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(8),
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),
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),
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child: const Text('确认清空'),
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),
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],
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),
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);
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if (confirm == true) {
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final prefs = await SharedPreferences.getInstance();
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await prefs.remove('manuscript_records');
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await _loadRecords();
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if (mounted) {
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ScaffoldMessenger.of(
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context,
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).showSnackBar(const SnackBar(content: Text('已清空所有记录')));
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}
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}
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}
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String _formatDate(DateTime date) {
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return '${date.year}-${date.month.toString().padLeft(2, '0')}-${date.day.toString().padLeft(2, '0')} '
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'${date.hour.toString().padLeft(2, '0')}:${date.minute.toString().padLeft(2, '0')}';
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: const Text('投稿记录'),
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actions: [
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if (_records.isNotEmpty)
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IconButton(
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icon: const Icon(Icons.delete_sweep_outlined),
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onPressed: _clearAllRecords,
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tooltip: '清空记录',
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),
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],
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),
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body: _isLoading
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? const Center(child: CircularProgressIndicator())
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: _records.isEmpty
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? _buildEmptyState()
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: _buildRecordsList(),
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);
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}
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Widget _buildEmptyState() {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(Icons.history_outlined, size: 80, color: Colors.grey[300]),
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const SizedBox(height: 16),
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Text(
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'暂无投稿记录',
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style: TextStyle(fontSize: 16, color: Colors.grey[600]),
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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 _buildRecordsList() {
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return ListView.builder(
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padding: const EdgeInsets.all(16),
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itemCount: _records.length,
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itemBuilder: (context, index) {
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final record = _records[index];
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return _buildRecordCard(record);
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},
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);
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}
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Widget _buildRecordCard(ManuscriptRecord record) {
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return Card(
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elevation: 0,
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color: Colors.grey[50],
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
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child: ExpansionTile(
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title: Row(
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children: [
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Expanded(
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child: Text(
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record.name,
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style: const TextStyle(
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fontWeight: FontWeight.bold,
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fontSize: 15,
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),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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),
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const SizedBox(width: 8),
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
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decoration: BoxDecoration(
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color: AppConstants.primaryColor.withAlpha(20),
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borderRadius: BorderRadius.circular(8),
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),
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child: Text(
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record.catename,
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style: TextStyle(
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fontSize: 12,
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color: AppConstants.primaryColor,
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fontWeight: FontWeight.w500,
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),
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),
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),
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],
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),
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subtitle: Padding(
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padding: const EdgeInsets.only(top: 4),
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child: Row(
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children: [
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Icon(Icons.access_time, size: 14, color: Colors.grey[500]),
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const SizedBox(width: 4),
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Text(
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_formatDate(record.submitTime),
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style: TextStyle(fontSize: 12, color: Colors.grey[500]),
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),
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],
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),
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),
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childrenPadding: const EdgeInsets.fromLTRB(16, 0, 16, 16),
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children: [
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_buildDetailItem('诗人和标题', record.url),
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_buildDetailItem('关键词', record.keywords),
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_buildDetailItem('平台', record.platform),
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_buildDetailItem('诗词介绍', record.introduce, maxLines: 3),
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],
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),
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);
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}
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Widget _buildDetailItem(String label, String value, {int maxLines = 1}) {
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return Padding(
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padding: const EdgeInsets.only(bottom: 12),
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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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label,
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style: TextStyle(
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fontSize: 13,
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color: Colors.grey[600],
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fontWeight: FontWeight.w500,
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),
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),
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const SizedBox(height: 4),
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Text(
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value,
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style: const TextStyle(fontSize: 14),
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maxLines: maxLines,
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overflow: TextOverflow.ellipsis,
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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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