351 lines
13 KiB
Dart
351 lines
13 KiB
Dart
import 'package:flutter/material.dart';
|
|
import '../../../core/network/ai_api_service.dart';
|
|
|
|
/// AI写作批改页面
|
|
class AIWritingPage extends StatefulWidget {
|
|
const AIWritingPage({Key? key}) : super(key: key);
|
|
|
|
@override
|
|
State<AIWritingPage> createState() => _AIWritingPageState();
|
|
}
|
|
|
|
class _AIWritingPageState extends State<AIWritingPage> {
|
|
final TextEditingController _contentController = TextEditingController();
|
|
final AIApiService _aiApiService = AIApiService();
|
|
|
|
String _selectedType = 'essay';
|
|
bool _isLoading = false;
|
|
Map<String, dynamic>? _correctionResult;
|
|
String? _error;
|
|
|
|
final List<Map<String, String>> _writingTypes = [
|
|
{'value': 'essay', 'label': '议论文'},
|
|
{'value': 'email', 'label': '邮件'},
|
|
{'value': 'report', 'label': '报告'},
|
|
{'value': 'letter', 'label': '信件'},
|
|
{'value': 'story', 'label': '故事'},
|
|
];
|
|
|
|
@override
|
|
void dispose() {
|
|
_contentController.dispose();
|
|
super.dispose();
|
|
}
|
|
|
|
Future<void> _submitForCorrection() async {
|
|
if (_contentController.text.trim().isEmpty) {
|
|
ScaffoldMessenger.of(context).showSnackBar(
|
|
const SnackBar(content: Text('请输入要批改的内容')),
|
|
);
|
|
return;
|
|
}
|
|
|
|
setState(() {
|
|
_isLoading = true;
|
|
_error = null;
|
|
_correctionResult = null;
|
|
});
|
|
|
|
try {
|
|
final result = await _aiApiService.correctWriting(
|
|
content: _contentController.text.trim(),
|
|
taskType: _selectedType,
|
|
);
|
|
|
|
setState(() {
|
|
_correctionResult = result;
|
|
_isLoading = false;
|
|
});
|
|
} catch (e) {
|
|
setState(() {
|
|
_error = e.toString();
|
|
_isLoading = false;
|
|
});
|
|
}
|
|
}
|
|
|
|
void _clearContent() {
|
|
setState(() {
|
|
_contentController.clear();
|
|
_correctionResult = null;
|
|
_error = null;
|
|
});
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Scaffold(
|
|
appBar: AppBar(
|
|
title: const Text('AI写作批改'),
|
|
backgroundColor: Theme.of(context).primaryColor,
|
|
foregroundColor: Colors.white,
|
|
actions: [
|
|
IconButton(
|
|
icon: const Icon(Icons.clear),
|
|
onPressed: _clearContent,
|
|
tooltip: '清空内容',
|
|
),
|
|
],
|
|
),
|
|
body: SingleChildScrollView(
|
|
padding: const EdgeInsets.all(16.0),
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
// 写作类型选择
|
|
Card(
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(16.0),
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
const Text(
|
|
'写作类型',
|
|
style: TextStyle(
|
|
fontSize: 16,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
const SizedBox(height: 12),
|
|
Wrap(
|
|
spacing: 8,
|
|
children: _writingTypes.map((type) {
|
|
final isSelected = _selectedType == type['value'];
|
|
return ChoiceChip(
|
|
label: Text(type['label']!),
|
|
selected: isSelected,
|
|
onSelected: (selected) {
|
|
if (selected) {
|
|
setState(() {
|
|
_selectedType = type['value']!;
|
|
});
|
|
}
|
|
},
|
|
);
|
|
}).toList(),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
const SizedBox(height: 16),
|
|
|
|
// 内容输入区域
|
|
Card(
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(16.0),
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
const Text(
|
|
'写作内容',
|
|
style: TextStyle(
|
|
fontSize: 16,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
const SizedBox(height: 12),
|
|
TextField(
|
|
controller: _contentController,
|
|
maxLines: 10,
|
|
decoration: const InputDecoration(
|
|
hintText: '请输入您的英文写作内容...',
|
|
border: OutlineInputBorder(),
|
|
contentPadding: EdgeInsets.all(12),
|
|
),
|
|
),
|
|
const SizedBox(height: 16),
|
|
SizedBox(
|
|
width: double.infinity,
|
|
child: ElevatedButton(
|
|
onPressed: _isLoading ? null : _submitForCorrection,
|
|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: Theme.of(context).primaryColor,
|
|
foregroundColor: Colors.white,
|
|
padding: const EdgeInsets.symmetric(vertical: 16),
|
|
),
|
|
child: _isLoading
|
|
? const Row(
|
|
mainAxisAlignment: MainAxisAlignment.center,
|
|
children: [
|
|
SizedBox(
|
|
width: 20,
|
|
height: 20,
|
|
child: CircularProgressIndicator(
|
|
strokeWidth: 2,
|
|
valueColor: AlwaysStoppedAnimation<Color>(Colors.white),
|
|
),
|
|
),
|
|
SizedBox(width: 8),
|
|
Text('AI批改中...'),
|
|
],
|
|
)
|
|
: const Text(
|
|
'开始AI批改',
|
|
style: TextStyle(fontSize: 16),
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
const SizedBox(height: 16),
|
|
|
|
// 错误显示
|
|
if (_error != null)
|
|
Card(
|
|
color: Colors.red.shade50,
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(16.0),
|
|
child: Row(
|
|
children: [
|
|
Icon(Icons.error, color: Colors.red.shade700),
|
|
const SizedBox(width: 8),
|
|
Expanded(
|
|
child: Text(
|
|
_error!,
|
|
style: TextStyle(color: Colors.red.shade700),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
|
|
// 批改结果显示
|
|
if (_correctionResult != null)
|
|
Card(
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(16.0),
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Row(
|
|
children: [
|
|
Icon(
|
|
Icons.check_circle,
|
|
color: Colors.green.shade600,
|
|
),
|
|
const SizedBox(width: 8),
|
|
const Text(
|
|
'AI批改结果',
|
|
style: TextStyle(
|
|
fontSize: 18,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 16),
|
|
|
|
// 总体评分
|
|
if (_correctionResult!['score'] != null)
|
|
Container(
|
|
padding: const EdgeInsets.all(12),
|
|
decoration: BoxDecoration(
|
|
color: Colors.blue.shade50,
|
|
borderRadius: BorderRadius.circular(8),
|
|
),
|
|
child: Row(
|
|
children: [
|
|
const Icon(Icons.star, color: Colors.amber),
|
|
const SizedBox(width: 8),
|
|
Text(
|
|
'总体评分: ${_correctionResult!['score']}/100',
|
|
style: const TextStyle(
|
|
fontSize: 16,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
const SizedBox(height: 12),
|
|
|
|
// 批改建议
|
|
if (_correctionResult!['suggestions'] != null)
|
|
Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
const Text(
|
|
'批改建议:',
|
|
style: TextStyle(
|
|
fontSize: 16,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
const SizedBox(height: 8),
|
|
Text(
|
|
_correctionResult!['suggestions'].toString(),
|
|
style: const TextStyle(fontSize: 14),
|
|
),
|
|
],
|
|
),
|
|
|
|
// 错误列表
|
|
if (_correctionResult!['errors'] != null)
|
|
Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
const SizedBox(height: 16),
|
|
const Text(
|
|
'发现的错误:',
|
|
style: TextStyle(
|
|
fontSize: 16,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
const SizedBox(height: 8),
|
|
...(_correctionResult!['errors'] as List).map(
|
|
(error) => Container(
|
|
margin: const EdgeInsets.only(bottom: 8),
|
|
padding: const EdgeInsets.all(12),
|
|
decoration: BoxDecoration(
|
|
color: Colors.orange.shade50,
|
|
borderRadius: BorderRadius.circular(8),
|
|
border: Border.all(
|
|
color: Colors.orange.shade200,
|
|
),
|
|
),
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Text(
|
|
'错误类型: ${error['type'] ?? '未知'}',
|
|
style: TextStyle(
|
|
fontWeight: FontWeight.bold,
|
|
color: Colors.orange.shade700,
|
|
),
|
|
),
|
|
if (error['original'] != null)
|
|
Text('原文: ${error['original']}'),
|
|
if (error['corrected'] != null)
|
|
Text(
|
|
'建议: ${error['corrected']}',
|
|
style: TextStyle(
|
|
color: Colors.green.shade700,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
if (error['explanation'] != null)
|
|
Text(
|
|
'说明: ${error['explanation']}',
|
|
style: const TextStyle(fontSize: 12),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
} |