890 lines
26 KiB
Dart
890 lines
26 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../models/reading_question.dart';
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import '../providers/reading_provider.dart';
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import '../widgets/reading_article_card.dart';
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/// 阅读练习结果页面
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class ReadingResultScreen extends StatefulWidget {
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final ReadingExercise exercise;
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final String articleTitle;
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const ReadingResultScreen({
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super.key,
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required this.exercise,
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required this.articleTitle,
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});
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@override
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State<ReadingResultScreen> createState() => _ReadingResultScreenState();
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}
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class _ReadingResultScreenState extends State<ReadingResultScreen>
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with TickerProviderStateMixin {
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late AnimationController _animationController;
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late Animation<double> _fadeAnimation;
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late Animation<Offset> _slideAnimation;
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@override
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void initState() {
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super.initState();
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_animationController = AnimationController(
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duration: const Duration(milliseconds: 800),
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vsync: this,
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);
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_fadeAnimation = Tween<double>(
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begin: 0.0,
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end: 1.0,
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).animate(CurvedAnimation(
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parent: _animationController,
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curve: Curves.easeInOut,
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));
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_slideAnimation = Tween<Offset>(
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begin: const Offset(0, 0.3),
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end: Offset.zero,
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).animate(CurvedAnimation(
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parent: _animationController,
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curve: Curves.easeOutBack,
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));
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_animationController.forward();
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}
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@override
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void dispose() {
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_animationController.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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return Scaffold(
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backgroundColor: Colors.grey[50],
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appBar: AppBar(
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title: const Text('练习结果'),
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backgroundColor: Colors.white,
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foregroundColor: Colors.black87,
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elevation: 0,
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leading: IconButton(
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icon: const Icon(Icons.close),
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onPressed: () => Navigator.of(context).pop(),
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),
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),
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body: FadeTransition(
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opacity: _fadeAnimation,
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child: SlideTransition(
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position: _slideAnimation,
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child: SingleChildScrollView(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 结果概览卡片
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_buildResultOverviewCard(),
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const SizedBox(height: 16),
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// 详细分析
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_buildDetailedAnalysis(),
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const SizedBox(height: 16),
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// 问题详情
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_buildQuestionDetails(),
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const SizedBox(height: 16),
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// 推荐文章
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_buildRecommendedArticles(),
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const SizedBox(height: 80), // 为底部按钮留空间
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],
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),
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),
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),
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),
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bottomNavigationBar: _buildBottomActions(),
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);
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}
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/// 构建结果概览卡片
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Widget _buildResultOverviewCard() {
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final score = widget.exercise.score ?? 0.0;
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final totalQuestions = widget.exercise.totalQuestions;
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final correctAnswers = widget.exercise.correctAnswers;
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final percentage = (score * 100).round();
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Color scoreColor;
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String scoreText;
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IconData scoreIcon;
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if (percentage >= 90) {
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scoreColor = Colors.green;
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scoreText = '优秀';
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scoreIcon = Icons.emoji_events;
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} else if (percentage >= 80) {
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scoreColor = Colors.blue;
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scoreText = '良好';
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scoreIcon = Icons.thumb_up;
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} else if (percentage >= 70) {
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scoreColor = Colors.orange;
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scoreText = '一般';
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scoreIcon = Icons.trending_up;
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} else {
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scoreColor = Colors.red;
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scoreText = '需要努力';
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scoreIcon = Icons.refresh;
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}
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return Card(
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elevation: 4,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(16),
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),
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child: Container(
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padding: const EdgeInsets.all(24),
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(16),
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gradient: LinearGradient(
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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colors: [
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scoreColor.withOpacity(0.1),
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scoreColor.withOpacity(0.05),
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],
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),
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),
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child: Column(
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children: [
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// 分数圆环
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Container(
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width: 120,
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height: 120,
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child: Stack(
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children: [
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// 背景圆环
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Container(
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width: 120,
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height: 120,
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child: CircularProgressIndicator(
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value: 1.0,
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strokeWidth: 8,
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backgroundColor: Colors.grey[200],
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valueColor: AlwaysStoppedAnimation<Color>(
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Colors.grey[200]!,
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),
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),
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),
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// 进度圆环
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Container(
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width: 120,
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height: 120,
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child: CircularProgressIndicator(
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value: score,
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strokeWidth: 8,
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backgroundColor: Colors.transparent,
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valueColor: AlwaysStoppedAnimation<Color>(scoreColor),
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),
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),
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// 中心内容
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Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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scoreIcon,
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color: scoreColor,
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size: 24,
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),
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const SizedBox(height: 4),
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Text(
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'$percentage%',
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style: TextStyle(
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fontSize: 20,
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fontWeight: FontWeight.bold,
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color: scoreColor,
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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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const SizedBox(height: 16),
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// 评价文本
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Text(
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scoreText,
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.bold,
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color: scoreColor,
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),
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),
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const SizedBox(height: 8),
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// 详细信息
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Text(
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'答对 $correctAnswers / $totalQuestions 题',
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style: TextStyle(
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fontSize: 14,
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color: Colors.grey[600],
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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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'用时 ${_formatDuration(widget.exercise.duration)}',
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style: TextStyle(
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fontSize: 14,
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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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);
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}
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/// 构建详细分析
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Widget _buildDetailedAnalysis() {
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final questions = widget.exercise.questions;
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final multipleChoice = questions.where((q) => q.type == QuestionType.multipleChoice).length;
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final trueFalse = questions.where((q) => q.type == QuestionType.trueFalse).length;
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final fillBlank = questions.where((q) => q.type == QuestionType.fillInBlank).length;
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final shortAnswer = questions.where((q) => q.type == QuestionType.shortAnswer).length;
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final multipleChoiceCorrect = questions
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.where((q) => q.type == QuestionType.multipleChoice && q.isCorrect == true)
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.length;
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final trueFalseCorrect = questions
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.where((q) => q.type == QuestionType.trueFalse && q.isCorrect == true)
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.length;
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final fillBlankCorrect = questions
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.where((q) => q.type == QuestionType.fillInBlank && q.isCorrect == true)
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.length;
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final shortAnswerCorrect = questions
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.where((q) => q.type == QuestionType.shortAnswer && q.isCorrect == true)
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.length;
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return Card(
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elevation: 2,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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child: Padding(
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padding: const EdgeInsets.all(16),
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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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'题型分析',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.bold,
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color: Colors.black87,
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),
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),
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const SizedBox(height: 12),
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if (multipleChoice > 0)
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_buildQuestionTypeRow(
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'选择题',
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multipleChoiceCorrect,
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multipleChoice,
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Icons.radio_button_checked,
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),
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if (trueFalse > 0)
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_buildQuestionTypeRow(
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'判断题',
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trueFalseCorrect,
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trueFalse,
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Icons.check_circle,
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),
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if (fillBlank > 0)
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_buildQuestionTypeRow(
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'填空题',
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fillBlankCorrect,
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fillBlank,
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Icons.edit,
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),
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if (shortAnswer > 0)
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_buildQuestionTypeRow(
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'简答题',
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shortAnswerCorrect,
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shortAnswer,
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Icons.description,
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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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/// 构建题型统计行
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Widget _buildQuestionTypeRow(
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String type,
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int correct,
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int total,
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IconData icon,
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) {
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final percentage = total > 0 ? (correct / total * 100).round() : 0;
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return Padding(
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padding: const EdgeInsets.symmetric(vertical: 4),
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child: Row(
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children: [
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Icon(
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icon,
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size: 20,
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color: Colors.grey[600],
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),
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const SizedBox(width: 8),
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Text(
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type,
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style: const TextStyle(
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fontSize: 14,
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color: Colors.black87,
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),
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),
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const Spacer(),
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Text(
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'$correct/$total',
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style: TextStyle(
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fontSize: 14,
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color: Colors.grey[600],
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),
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),
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const SizedBox(width: 8),
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Text(
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'$percentage%',
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style: TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w500,
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color: percentage >= 80 ? Colors.green :
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percentage >= 60 ? Colors.orange : Colors.red,
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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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/// 构建问题详情
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Widget _buildQuestionDetails() {
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return Card(
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elevation: 2,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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child: Padding(
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padding: const EdgeInsets.all(16),
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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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const Text(
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'题目详情',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.bold,
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color: Colors.black87,
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),
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),
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const Spacer(),
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TextButton(
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onPressed: () {
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_showQuestionDetailsDialog();
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},
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child: const Text('查看解析'),
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),
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],
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),
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const SizedBox(height: 12),
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...widget.exercise.questions.asMap().entries.map((entry) {
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final index = entry.key;
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final question = entry.value;
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return _buildQuestionSummaryItem(index + 1, question);
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}).toList(),
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],
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),
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),
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);
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}
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/// 构建问题摘要项
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Widget _buildQuestionSummaryItem(int number, ReadingQuestion question) {
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final isCorrect = question.isCorrect == true;
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return Container(
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margin: const EdgeInsets.symmetric(vertical: 4),
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: isCorrect ? Colors.green.withOpacity(0.1) : Colors.red.withOpacity(0.1),
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borderRadius: BorderRadius.circular(8),
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border: Border.all(
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color: isCorrect ? Colors.green.withOpacity(0.3) : Colors.red.withOpacity(0.3),
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),
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),
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child: Row(
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children: [
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// 题号
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Container(
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width: 24,
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height: 24,
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decoration: BoxDecoration(
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color: isCorrect ? Colors.green : Colors.red,
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shape: BoxShape.circle,
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),
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child: Center(
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child: Text(
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'$number',
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style: const TextStyle(
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color: Colors.white,
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fontSize: 12,
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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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const SizedBox(width: 12),
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// 问题信息
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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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_getQuestionTypeText(question.type),
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style: TextStyle(
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fontSize: 12,
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color: Colors.grey[600],
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),
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),
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const SizedBox(height: 2),
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Text(
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question.question,
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style: const TextStyle(
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fontSize: 14,
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color: Colors.black87,
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),
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maxLines: 2,
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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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// 结果图标
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Icon(
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isCorrect ? Icons.check_circle : Icons.cancel,
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color: isCorrect ? Colors.green : Colors.red,
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size: 20,
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),
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],
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),
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);
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}
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/// 获取问题类型文本
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String _getQuestionTypeText(QuestionType type) {
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switch (type) {
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case QuestionType.multipleChoice:
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return '选择题';
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case QuestionType.trueFalse:
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return '判断题';
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case QuestionType.fillInBlank:
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return '填空题';
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case QuestionType.shortAnswer:
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return '简答题';
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}
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}
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/// 构建推荐文章
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Widget _buildRecommendedArticles() {
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return Consumer<ReadingProvider>(
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builder: (context, provider, child) {
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final recommendations = provider.recommendedArticles;
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if (recommendations.isEmpty) {
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return const SizedBox.shrink();
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}
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return Card(
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elevation: 2,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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child: Padding(
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padding: const EdgeInsets.all(16),
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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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'推荐阅读',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.bold,
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color: Colors.black87,
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),
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),
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const SizedBox(height: 12),
|
|
|
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...recommendations.take(3).map((article) {
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return Padding(
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padding: const EdgeInsets.symmetric(vertical: 4),
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child: ReadingArticleCard(
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article: article,
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onTap: () {
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Navigator.of(context).pop();
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// 导航到文章详情页
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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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),
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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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/// 构建底部操作按钮
|
|
Widget _buildBottomActions() {
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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: Colors.white,
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.1),
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blurRadius: 4,
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offset: const Offset(0, -2),
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),
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],
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),
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child: Row(
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children: [
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Expanded(
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child: OutlinedButton(
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onPressed: () {
|
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// 重新练习
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Navigator.of(context).pop();
|
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// 重新开始练习逻辑
|
|
},
|
|
style: OutlinedButton.styleFrom(
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foregroundColor: const Color(0xFF2196F3),
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side: const BorderSide(color: Color(0xFF2196F3)),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(8),
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),
|
|
padding: const EdgeInsets.symmetric(vertical: 12),
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),
|
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child: const Text('重新练习'),
|
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),
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),
|
|
|
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const SizedBox(width: 12),
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|
|
Expanded(
|
|
child: ElevatedButton(
|
|
onPressed: () {
|
|
Navigator.of(context).pop();
|
|
},
|
|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: const Color(0xFF2196F3),
|
|
foregroundColor: Colors.white,
|
|
shape: RoundedRectangleBorder(
|
|
borderRadius: BorderRadius.circular(8),
|
|
),
|
|
padding: const EdgeInsets.symmetric(vertical: 12),
|
|
),
|
|
child: const Text('完成'),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
|
|
/// 显示问题详情对话框
|
|
void _showQuestionDetailsDialog() {
|
|
showDialog(
|
|
context: context,
|
|
builder: (context) => Dialog(
|
|
shape: RoundedRectangleBorder(
|
|
borderRadius: BorderRadius.circular(16),
|
|
),
|
|
child: Container(
|
|
constraints: const BoxConstraints(maxHeight: 600),
|
|
child: Column(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
// 标题
|
|
Container(
|
|
padding: const EdgeInsets.all(16),
|
|
decoration: const BoxDecoration(
|
|
color: Color(0xFF2196F3),
|
|
borderRadius: BorderRadius.only(
|
|
topLeft: Radius.circular(16),
|
|
topRight: Radius.circular(16),
|
|
),
|
|
),
|
|
child: Row(
|
|
children: [
|
|
const Text(
|
|
'题目解析',
|
|
style: TextStyle(
|
|
fontSize: 18,
|
|
fontWeight: FontWeight.bold,
|
|
color: Colors.white,
|
|
),
|
|
),
|
|
const Spacer(),
|
|
IconButton(
|
|
onPressed: () => Navigator.of(context).pop(),
|
|
icon: const Icon(
|
|
Icons.close,
|
|
color: Colors.white,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
|
|
// 内容
|
|
Flexible(
|
|
child: ListView.builder(
|
|
padding: const EdgeInsets.all(16),
|
|
itemCount: widget.exercise.questions.length,
|
|
itemBuilder: (context, index) {
|
|
final question = widget.exercise.questions[index];
|
|
return _buildQuestionDetailItem(index + 1, question);
|
|
},
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
/// 构建问题详情项
|
|
Widget _buildQuestionDetailItem(int number, ReadingQuestion question) {
|
|
final isCorrect = question.isCorrect == true;
|
|
|
|
return Container(
|
|
margin: const EdgeInsets.symmetric(vertical: 8),
|
|
padding: const EdgeInsets.all(16),
|
|
decoration: BoxDecoration(
|
|
border: Border.all(color: Colors.grey[300]!),
|
|
borderRadius: BorderRadius.circular(12),
|
|
),
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
// 题号和类型
|
|
Row(
|
|
children: [
|
|
Container(
|
|
padding: const EdgeInsets.symmetric(
|
|
horizontal: 8,
|
|
vertical: 4,
|
|
),
|
|
decoration: BoxDecoration(
|
|
color: isCorrect ? Colors.green : Colors.red,
|
|
borderRadius: BorderRadius.circular(4),
|
|
),
|
|
child: Text(
|
|
'第$number题',
|
|
style: const TextStyle(
|
|
color: Colors.white,
|
|
fontSize: 12,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
),
|
|
const SizedBox(width: 8),
|
|
Text(
|
|
_getQuestionTypeText(question.type),
|
|
style: TextStyle(
|
|
fontSize: 12,
|
|
color: Colors.grey[600],
|
|
),
|
|
),
|
|
const Spacer(),
|
|
Icon(
|
|
isCorrect ? Icons.check_circle : Icons.cancel,
|
|
color: isCorrect ? Colors.green : Colors.red,
|
|
size: 20,
|
|
),
|
|
],
|
|
),
|
|
|
|
const SizedBox(height: 12),
|
|
|
|
// 问题
|
|
Text(
|
|
question.question,
|
|
style: const TextStyle(
|
|
fontSize: 14,
|
|
fontWeight: FontWeight.w500,
|
|
color: Colors.black87,
|
|
),
|
|
),
|
|
|
|
const SizedBox(height: 8),
|
|
|
|
// 选项（如果有）
|
|
if (question.options.isNotEmpty) ...
|
|
question.options.asMap().entries.map((entry) {
|
|
final optionIndex = entry.key;
|
|
final option = entry.value;
|
|
final optionLetter = String.fromCharCode(65 + optionIndex);
|
|
final isUserAnswer = question.userAnswer == optionLetter;
|
|
final isCorrectAnswer = question.correctAnswer == optionLetter;
|
|
|
|
Color? backgroundColor;
|
|
Color? textColor;
|
|
|
|
if (isCorrectAnswer) {
|
|
backgroundColor = Colors.green.withOpacity(0.1);
|
|
textColor = Colors.green[700];
|
|
} else if (isUserAnswer && !isCorrectAnswer) {
|
|
backgroundColor = Colors.red.withOpacity(0.1);
|
|
textColor = Colors.red[700];
|
|
}
|
|
|
|
return Container(
|
|
margin: const EdgeInsets.symmetric(vertical: 2),
|
|
padding: const EdgeInsets.all(8),
|
|
decoration: BoxDecoration(
|
|
color: backgroundColor,
|
|
borderRadius: BorderRadius.circular(6),
|
|
),
|
|
child: Row(
|
|
children: [
|
|
Text(
|
|
'$optionLetter. ',
|
|
style: TextStyle(
|
|
fontSize: 14,
|
|
fontWeight: FontWeight.w500,
|
|
color: textColor ?? Colors.black87,
|
|
),
|
|
),
|
|
Expanded(
|
|
child: Text(
|
|
option,
|
|
style: TextStyle(
|
|
fontSize: 14,
|
|
color: textColor ?? Colors.black87,
|
|
),
|
|
),
|
|
),
|
|
if (isCorrectAnswer)
|
|
const Icon(
|
|
Icons.check,
|
|
color: Colors.green,
|
|
size: 16,
|
|
),
|
|
if (isUserAnswer && !isCorrectAnswer)
|
|
const Icon(
|
|
Icons.close,
|
|
color: Colors.red,
|
|
size: 16,
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}).toList(),
|
|
|
|
// 用户答案和正确答案
|
|
if (question.type != QuestionType.multipleChoice) ...[
|
|
const SizedBox(height: 8),
|
|
if (question.userAnswer?.isNotEmpty == true)
|
|
Text(
|
|
'你的答案：${question.userAnswer}',
|
|
style: TextStyle(
|
|
fontSize: 14,
|
|
color: isCorrect ? Colors.green[700] : Colors.red[700],
|
|
),
|
|
),
|
|
Text(
|
|
'正确答案：${question.correctAnswer}',
|
|
style: TextStyle(
|
|
fontSize: 14,
|
|
color: Colors.green[700],
|
|
fontWeight: FontWeight.w500,
|
|
),
|
|
),
|
|
],
|
|
|
|
// 解析
|
|
if (question.explanation.isNotEmpty) ...[
|
|
const SizedBox(height: 12),
|
|
Container(
|
|
padding: const EdgeInsets.all(12),
|
|
decoration: BoxDecoration(
|
|
color: Colors.blue.withOpacity(0.1),
|
|
borderRadius: BorderRadius.circular(8),
|
|
),
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
const Text(
|
|
'解析',
|
|
style: TextStyle(
|
|
fontSize: 14,
|
|
fontWeight: FontWeight.bold,
|
|
color: Colors.blue,
|
|
),
|
|
),
|
|
const SizedBox(height: 4),
|
|
Text(
|
|
question.explanation,
|
|
style: const TextStyle(
|
|
fontSize: 14,
|
|
color: Colors.black87,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
],
|
|
],
|
|
),
|
|
);
|
|
}
|
|
|
|
/// 格式化持续时间
|
|
String _formatDuration(Duration? duration) {
|
|
if (duration == null) return '未知';
|
|
|
|
final minutes = duration.inMinutes;
|
|
final seconds = duration.inSeconds % 60;
|
|
|
|
if (minutes > 0) {
|
|
return '${minutes}分${seconds}秒';
|
|
} else {
|
|
return '${seconds}秒';
|
|
}
|
|
}
|
|
} |