基础功能实现，金额输入bug待解决

lib/data/categories.dart

@@ -0,0 +1,54 @@
+import 'package:flutter/material.dart';
+import '../models/record.dart';
+
+/// 预设支出分类
+final List<Category> expenseCategories = [
+  Category(
+    id: 'food',
+    name: '餐饮',
+    icon: Icons.restaurant,
+    type: RecordType.expense,
+  ),
+  Category(
+    id: 'shopping',
+    name: '购物',
+    icon: Icons.shopping_bag,
+    type: RecordType.expense,
+  ),
+  Category(
+    id: 'transport',
+    name: '交通',
+    icon: Icons.directions_bus,
+    type: RecordType.expense,
+  ),
+  Category(
+    id: 'entertainment',
+    name: '娱乐',
+    icon: Icons.sports_esports,
+    type: RecordType.expense,
+  ),
+  // 可以继续添加更多分类...
+];
+
+/// 预设收入分类
+final List<Category> incomeCategories = [
+  Category(
+    id: 'salary',
+    name: '工资',
+    icon: Icons.account_balance_wallet,
+    type: RecordType.income,
+  ),
+  Category(
+    id: 'bonus',
+    name: '奖金',
+    icon: Icons.card_giftcard,
+    type: RecordType.income,
+  ),
+  Category(
+    id: 'investment',
+    name: '投资',
+    icon: Icons.trending_up,
+    type: RecordType.income,
+  ),
+  // 可以继续添加更多分类...
+]; 

lib/data/mock_data.dart

@@ -0,0 +1,21 @@
+import '../models/record.dart';
+
+final List<Record> mockRecords = [
+  Record(
+    id: '1',
+    type: RecordType.expense,
+    categoryId: 'food',
+    note: '午餐',
+    amount: 25.0,
+    createTime: DateTime.now().subtract(const Duration(hours: 2)),
+  ),
+  Record(
+    id: '2',
+    type: RecordType.income,
+    categoryId: 'salary',
+    note: '工资',
+    amount: 5000.0,
+    createTime: DateTime.now().subtract(const Duration(days: 1)),
+  ),
+  // 可以添加更多模拟数据...
+]; 

lib/models/record.dart

@@ -0,0 +1,73 @@
+import 'package:flutter/material.dart';
+
+/// 记账类型枚举
+enum RecordType {
+  expense,  // 支出
+  income,   // 收入
+}
+
+/// 记账分类模型
+class Category {
+  final String id;
+  final String name;
+  final IconData icon;
+  final RecordType type;
+  final String? parentId;  // 为未来二级分类预留
+  
+  const Category({
+    required this.id,
+    required this.name,
+    required this.icon,
+    required this.type,
+    this.parentId,
+  });
+}
+
+/// 记账记录模型
+class Record {
+  final String id;
+  final RecordType type;
+  final String categoryId;
+  final String? note;
+  final double amount;
+  final DateTime createTime;
+  final String? accountId;  // 为未来账户功能预留
+  final List<String>? imageUrls;  // 为未来配图功能预留
+
+  Record({
+    required this.id,
+    required this.type,
+    required this.categoryId,
+    this.note,
+    required this.amount,
+    required this.createTime,
+    this.accountId,
+    this.imageUrls,
+  });
+
+  // 转换为JSON格式，方便存储
+  Map<String, dynamic> toJson() => {
+    'id': id,
+    'type': type.index,
+    'categoryId': categoryId,
+    'note': note,
+    'amount': amount,
+    'createTime': createTime.toIso8601String(),
+    'accountId': accountId,
+    'imageUrls': imageUrls,
+  };
+
+  // 从JSON格式转换回对象
+  factory Record.fromJson(Map<String, dynamic> json) => Record(
+    id: json['id'],
+    type: RecordType.values[json['type']],
+    categoryId: json['categoryId'],
+    note: json['note'],
+    amount: json['amount'],
+    createTime: DateTime.parse(json['createTime']),
+    accountId: json['accountId'],
+    imageUrls: json['imageUrls'] != null 
+        ? List<String>.from(json['imageUrls'])
+        : null,
+  );
+} 

lib/pages/home_page.dart

@@ -2,7 +2,11 @@ import 'package:flutter/material.dart';
 import 'package:sensors_plus/sensors_plus.dart';
 import 'package:vibration/vibration.dart';
 import 'dart:async';
+import '../models/record.dart';
 import './record_page.dart';
+import '../widgets/record_list.dart';
+import '../data/mock_data.dart';  // 暂时使用模拟数据
+import '../services/database_service.dart';
 
 class HomePage extends StatefulWidget {
   const HomePage({Key? key}) : super(key: key);
@@ -16,11 +20,23 @@ class _HomePageState extends State<HomePage> {
   DateTime? _lastShakeTime;
   int _shakeCount = 0;
   bool _isNavigating = false;
+  final _dbService = DatabaseService();
+  List<Record> records = [];
 
   @override
   void initState() {
     super.initState();
     _initShakeDetection();
+    _loadRecords();
+  }
+
+  /// 加载记录
+  Future<void> _loadRecords() async {
+    final loadedRecords = await _dbService.getAllRecords();
+    setState(() {
+      records = loadedRecords;
+      records.sort((a, b) => b.createTime.compareTo(a.createTime));
+    });
   }
 
   /// 初始化摇晃检测
@@ -51,7 +67,7 @@ class _HomePageState extends State<HomePage> {
     });
   }
 
-  /// 通过摇晃触发的导航（带震动）
+  /// 带震动的记账页面导航
   void _navigateToRecordPageWithVibration() async {
     if (_isNavigating) return;
     
@@ -61,10 +77,25 @@ class _HomePageState extends State<HomePage> {
       Vibration.vibrate(duration: 200);
     }
     
+    _navigateToRecordPage();
+  }
+
+  /// 导航到记账页面
+  void _navigateToRecordPage([Record? record]) {
     Navigator.push(
       context,
       MaterialPageRoute(
-        builder: (context) => const RecordPage(),
+        builder: (context) => RecordPage(
+          record: record,
+          onSave: (newRecord) async {
+            if (record != null) {
+              await _dbService.updateRecord(newRecord);
+            } else {
+              await _dbService.insertRecord(newRecord);
+            }
+            await _loadRecords();
+          },
+        ),
         maintainState: false,
       ),
     ).then((_) {
@@ -72,26 +103,10 @@ class _HomePageState extends State<HomePage> {
     });
   }
 
-  /// 通过按钮触发的导航（无震动）
+  /// 删除记录
-  void _navigateToRecordPage() {
+  void _deleteRecord(String recordId) async {
-    if (_isNavigating) return;
+    await _dbService.deleteRecord(recordId);
-    
+    await _loadRecords();
-    _isNavigating = true;
-    Navigator.push(
-      context,
-      MaterialPageRoute(
-        builder: (context) => const RecordPage(),
-        maintainState: false,
-      ),
-    ).then((_) {
-      _isNavigating = false;
-    });
-  }
-
-  @override
-  void dispose() {
-    _accelerometerSubscription?.cancel();
-    super.dispose();
   }
 
   @override
@@ -100,17 +115,21 @@ class _HomePageState extends State<HomePage> {
       appBar: AppBar(
         title: const Text('记账本'),
       ),
-      body: Center(
+      body: RecordList(
-        child: Column(
+        records: records,
-          mainAxisAlignment: MainAxisAlignment.center,
+        onRecordTap: _navigateToRecordPage,
-          children: [
+        onRecordDelete: _deleteRecord,
-            ElevatedButton(
+      ),
-              onPressed: _navigateToRecordPage,
+      floatingActionButton: FloatingActionButton(
-              child: const Text('记账'),
+        onPressed: () => _navigateToRecordPage(),
-            ),
+        child: const Icon(Icons.add),
-          ],
-        ),
       ),
     );
   }
+
+  @override
+  void dispose() {
+    _accelerometerSubscription?.cancel();
+    super.dispose();
+  }
 } 

lib/pages/record_page.dart

@@ -1,32 +1,322 @@
 import 'package:flutter/material.dart';
+import '../models/record.dart';
+import '../data/categories.dart';
+import 'package:uuid/uuid.dart';
 
 class RecordPage extends StatefulWidget {
-  const RecordPage({Key? key}) : super(key: key);
+  final Record? record;
+  final Function(Record) onSave;  // 添加保存回调
+
+  const RecordPage({
+    Key? key,
+    this.record,
+    required this.onSave,
+  }) : super(key: key);
 
   @override
   State<RecordPage> createState() => _RecordPageState();
 }
 
-class _RecordPageState extends State<RecordPage> {
+class _RecordPageState extends State<RecordPage> with SingleTickerProviderStateMixin {
+  late TabController _tabController;
+  String? _selectedCategoryId;
+  String _note = '';
+  double _amount = 0.0;
+  DateTime _selectedDate = DateTime.now();
+  final _uuid = const Uuid();
+  
+  @override
+  void initState() {
+    super.initState();
+    // 如果是编辑模式，初始化现有记录的数据
+    if (widget.record != null) {
+      _selectedCategoryId = widget.record!.categoryId;
+      _note = widget.record!.note ?? '';
+      _amount = widget.record!.amount;
+      _selectedDate = widget.record!.createTime;
+    }
+    
+    _tabController = TabController(
+      length: 2,
+      vsync: this,
+      initialIndex: widget.record?.type == RecordType.income ? 1 : 0,
+    );
+    _tabController.addListener(_onTabChanged);
+  }
+
+  /// 标签切换监听
+  void _onTabChanged() {
+    setState(() {
+      _selectedCategoryId = null;  // 切换类型时重置选中的分类
+    });
+  }
+
+  /// 获取当前记录类型
+  RecordType get _currentType => 
+      _tabController.index == 0 ? RecordType.expense : RecordType.income;
+
+  /// 获取当前分类列表
+  List<Category> get _currentCategories => 
+      _currentType == RecordType.expense ? expenseCategories : incomeCategories;
+
+  /// 保存记录
+  void _saveRecord() {
+    if (_selectedCategoryId == null) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('请选择分类')),
+      );
+      return;
+    }
+    if (_amount <= 0) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('请输入金额')),
+      );
+      return;
+    }
+
+    final record = Record(
+      id: widget.record?.id ?? _uuid.v4(),
+      type: _currentType,
+      categoryId: _selectedCategoryId!,
+      note: _note.isEmpty ? null : _note,
+      amount: _amount,
+      createTime: _selectedDate,
+    );
+
+    widget.onSave(record);
+    Navigator.of(context).pop();
+  }
+
   @override
   Widget build(BuildContext context) {
-    return WillPopScope(
+    return Scaffold(
-      onWillPop: () async {
+      appBar: AppBar(
-        Navigator.of(context).pop();
+        title: TabBar(
-        return false;
+          controller: _tabController,
-      },
+          tabs: const [
-      child: Scaffold(
+            Tab(text: '支出'),
-        appBar: AppBar(
+            Tab(text: '收入'),
-          title: const Text('记账'),
+          ],
-          leading: IconButton(
-            icon: const Icon(Icons.arrow_back),
-            onPressed: () => Navigator.of(context).pop(),
-          ),
         ),
-        body: const Center(
+      ),
-          child: Text('记账页面'),
+      body: Column(
+        children: [
+          // 分类网格
+          Expanded(
+            child: GridView.builder(
+              padding: const EdgeInsets.all(16),
+              gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
+                crossAxisCount: 4,
+                mainAxisSpacing: 16,
+                crossAxisSpacing: 16,
+              ),
+              itemCount: _currentCategories.length,
+              itemBuilder: (context, index) {
+                final category = _currentCategories[index];
+                final isSelected = category.id == _selectedCategoryId;
+                return _buildCategoryItem(category, isSelected);
+              },
+            ),
+          ),
+          // 底部编辑区域
+          _buildBottomEditor(),
+        ],
+      ),
+    );
+  }
+
+  /// 构建分类项
+  Widget _buildCategoryItem(Category category, bool isSelected) {
+    return InkWell(
+      onTap: () => setState(() => _selectedCategoryId = category.id),
+      child: Container(
+        decoration: BoxDecoration(
+          color: isSelected ? Theme.of(context).primaryColor.withOpacity(0.1) : null,
+          border: Border.all(
+            color: isSelected ? Theme.of(context).primaryColor : Colors.grey,
+          ),
+          borderRadius: BorderRadius.circular(8),
+        ),
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            Icon(
+              category.icon,
+              color: isSelected ? Theme.of(context).primaryColor : Colors.grey,
+            ),
+            const SizedBox(height: 4),
+            Text(
+              category.name,
+              style: TextStyle(
+                color: isSelected ? Theme.of(context).primaryColor : Colors.grey,
+              ),
+            ),
+          ],
         ),
       ),
     );
   }
+
+  /// 构建底部编辑区域
+  Widget _buildBottomEditor() {
+    return Container(
+      padding: const EdgeInsets.all(16),
+      decoration: BoxDecoration(
+        color: Colors.white,
+        boxShadow: [
+          BoxShadow(
+            color: Colors.black.withOpacity(0.1),
+            blurRadius: 8,
+            offset: const Offset(0, -2),
+          ),
+        ],
+      ),
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          // 备注和金额
+          Row(
+            children: [
+              Expanded(
+                child: TextField(
+                  decoration: const InputDecoration(
+                    hintText: '添加备注',
+                    border: InputBorder.none,
+                  ),
+                  onChanged: (value) => setState(() => _note = value),
+                ),
+              ),
+              Text(
+                '¥${_amount.toStringAsFixed(2)}',
+                style: const TextStyle(
+                  fontSize: 24,
+                  fontWeight: FontWeight.bold,
+                ),
+              ),
+            ],
+          ),
+          // 配置按钮
+          Row(
+            children: [
+              TextButton.icon(
+                onPressed: () {
+                  // TODO: 实现账户选择
+                },
+                icon: const Icon(Icons.account_balance_wallet),
+                label: const Text('默认账户'),
+              ),
+              TextButton.icon(
+                onPressed: () async {
+                  final date = await showDatePicker(
+                    context: context,
+                    initialDate: _selectedDate,
+                    firstDate: DateTime(2000),
+                    lastDate: DateTime.now(),
+                  );
+                  if (date != null) {
+                    setState(() => _selectedDate = date);
+                  }
+                },
+                icon: const Icon(Icons.calendar_today),
+                label: Text(_selectedDate == DateTime.now() 
+                    ? '今天' 
+                    : '${_selectedDate.month}月${_selectedDate.day}日'),
+              ),
+              TextButton.icon(
+                onPressed: () {
+                  // TODO: 实现图片选择
+                },
+                icon: const Icon(Icons.photo),
+                label: const Text('图片'),
+              ),
+            ],
+          ),
+          // 数字键盘
+          _buildNumberKeyboard(),
+        ],
+      ),
+    );
+  }
+
+  /// 构建数字键盘
+  Widget _buildNumberKeyboard() {
+    return GridView.count(
+      shrinkWrap: true,
+      crossAxisCount: 4,
+      childAspectRatio: 2,
+      children: [
+        _buildKeyboardButton('7'),
+        _buildKeyboardButton('8'),
+        _buildKeyboardButton('9'),
+        _buildKeyboardButton('删除', isFunction: true),
+        _buildKeyboardButton('4'),
+        _buildKeyboardButton('5'),
+        _buildKeyboardButton('6'),
+        _buildKeyboardButton('+'),
+        _buildKeyboardButton('1'),
+        _buildKeyboardButton('2'),
+        _buildKeyboardButton('3'),
+        _buildKeyboardButton('-'),
+        _buildKeyboardButton('again'),
+        _buildKeyboardButton('0'),
+        _buildKeyboardButton('.'),
+        _buildKeyboardButton('保存', isFunction: true),
+      ],
+    );
+  }
+
+  /// 构建键盘按钮
+  Widget _buildKeyboardButton(String text, {bool isFunction = false}) {
+    return TextButton(
+      onPressed: () => _onKeyboardButtonPressed(text),
+      child: Text(
+        text,
+        style: TextStyle(
+          fontSize: 20,
+          color: isFunction ? Theme.of(context).primaryColor : Colors.black,
+        ),
+      ),
+    );
+  }
+
+  /// 处理键盘按钮点击
+  void _onKeyboardButtonPressed(String value) {
+    switch (value) {
+      case '删除':
+        setState(() {
+          final amountStr = _amount.toStringAsFixed(2);
+          if (amountStr.length > 1) {
+            _amount = double.parse(amountStr.substring(0, amountStr.length - 1));
+          } else {
+            _amount = 0;
+          }
+        });
+        break;
+      case '保存':
+        _saveRecord();
+        break;
+      case 'again':
+        // TODO: 实现again功能
+        break;
+      case '+':
+      case '-':
+        // TODO: 实现加减功能
+        break;
+      case '.':
+        // TODO: 实现小数点功能
+        break;
+      default:
+        if (_amount == 0) {
+          setState(() => _amount = double.parse(value));
+        } else {
+          setState(() => _amount = double.parse('$_amount$value'));
+        }
+    }
+  }
+
+  @override
+  void dispose() {
+    _tabController.dispose();
+    super.dispose();
+  }
 } 

lib/services/database_service.dart

@@ -0,0 +1,94 @@
+import 'package:sqflite/sqflite.dart' show Database, openDatabase, getDatabasesPath, ConflictAlgorithm;
+import 'package:path/path.dart' as path_helper;
+import '../models/record.dart';
+
+class DatabaseService {
+  static Database? _database;
+  
+  /// 获取数据库实例
+  Future<Database> get database async {
+    if (_database != null) return _database!;
+    _database = await _initDatabase();
+    return _database!;
+  }
+
+  /// 初始化数据库
+  Future<Database> _initDatabase() async {
+    final path = await getDatabasesPath();
+    final dbPath = path_helper.join(path, 'records.db');
+
+    return await openDatabase(
+      dbPath,
+      version: 1,
+      onCreate: (db, version) async {
+        await db.execute('''
+          CREATE TABLE records(
+            id TEXT PRIMARY KEY,
+            type INTEGER NOT NULL,
+            categoryId TEXT NOT NULL,
+            note TEXT,
+            amount REAL NOT NULL,
+            createTime TEXT NOT NULL,
+            accountId TEXT,
+            imageUrls TEXT
+          )
+        ''');
+      },
+    );
+  }
+
+  /// 插入记录
+  Future<void> insertRecord(Record record) async {
+    final db = await database;
+    await db.insert(
+      'records',
+      record.toJson()..addAll({
+        'imageUrls': record.imageUrls?.join(','),
+      }),
+      conflictAlgorithm: ConflictAlgorithm.replace,
+    );
+  }
+
+  /// 更新记录
+  Future<void> updateRecord(Record record) async {
+    final db = await database;
+    await db.update(
+      'records',
+      record.toJson()..addAll({
+        'imageUrls': record.imageUrls?.join(','),
+      }),
+      where: 'id = ?',
+      whereArgs: [record.id],
+    );
+  }
+
+  /// 删除记录
+  Future<void> deleteRecord(String id) async {
+    final db = await database;
+    await db.delete(
+      'records',
+      where: 'id = ?',
+      whereArgs: [id],
+    );
+  }
+
+  /// 获取所有记录
+  Future<List<Record>> getAllRecords() async {
+    final db = await database;
+    final List<Map<String, dynamic>> maps = await db.query('records');
+    
+    return List.generate(maps.length, (i) {
+      final map = maps[i];
+      return Record(
+        id: map['id'],
+        type: RecordType.values[map['type']],
+        categoryId: map['categoryId'],
+        note: map['note'],
+        amount: map['amount'],
+        createTime: DateTime.parse(map['createTime']),
+        accountId: map['accountId'],
+        imageUrls: map['imageUrls']?.split(','),
+      );
+    });
+  }
+} 

lib/widgets/record_detail_dialog.dart

@@ -0,0 +1,99 @@
+import 'package:flutter/material.dart';
+import '../models/record.dart';
+import '../data/categories.dart';
+
+class RecordDetailDialog extends StatelessWidget {
+  final Record record;
+  final VoidCallback onEdit;
+  final VoidCallback onDelete;
+
+  const RecordDetailDialog({
+    Key? key,
+    required this.record,
+    required this.onEdit,
+    required this.onDelete,
+  }) : super(key: key);
+
+  /// 获取分类信息
+  Category _getCategory(String categoryId) {
+    return [...expenseCategories, ...incomeCategories]
+        .firstWhere((c) => c.id == categoryId);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final category = _getCategory(record.categoryId);
+    
+    return AlertDialog(
+      title: Row(
+        mainAxisAlignment: MainAxisAlignment.spaceBetween,
+        children: [
+          const Text('记录详情'),
+          Row(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              IconButton(
+                icon: const Icon(Icons.edit),
+                onPressed: () {
+                  Navigator.of(context).pop();
+                  onEdit();
+                },
+              ),
+              IconButton(
+                icon: const Icon(Icons.delete),
+                onPressed: () {
+                  Navigator.of(context).pop();
+                  onDelete();
+                },
+              ),
+            ],
+          ),
+        ],
+      ),
+      content: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          ListTile(
+            title: const Text('分类'),
+            subtitle: Text(category.name),
+            leading: Icon(category.icon),
+            onTap: () {
+              // TODO: 跳转到分类详情页
+            },
+          ),
+          if (record.note != null)
+            ListTile(
+              title: const Text('备注'),
+              subtitle: Text(record.note!),
+            ),
+          ListTile(
+            title: const Text('金额'),
+            subtitle: Text(
+              '${record.type == RecordType.expense ? "-" : "+"}￥${record.amount.toStringAsFixed(2)}',
+              style: TextStyle(
+                color: record.type == RecordType.expense 
+                    ? Colors.red 
+                    : Colors.green,
+                fontWeight: FontWeight.bold,
+              ),
+            ),
+          ),
+          ListTile(
+            title: const Text('时间'),
+            subtitle: Text(
+              '${record.createTime.year}-${record.createTime.month}-${record.createTime.day} '
+              '${record.createTime.hour}:${record.createTime.minute}',
+            ),
+          ),
+          ListTile(
+            title: const Text('账户'),
+            subtitle: const Text('默认账户'),
+            onTap: () {
+              // TODO: 跳转到账户页
+            },
+          ),
+        ],
+      ),
+    );
+  }
+} 

lib/widgets/record_list.dart

@@ -0,0 +1,123 @@
+import 'package:flutter/material.dart';
+import '../models/record.dart';
+import '../data/categories.dart';
+import './record_detail_dialog.dart';
+
+class RecordList extends StatelessWidget {
+  final List<Record> records;
+  final Function(Record) onRecordTap;
+  final Function(String) onRecordDelete;
+
+  const RecordList({
+    Key? key,
+    required this.records,
+    required this.onRecordTap,
+    required this.onRecordDelete,
+  }) : super(key: key);
+
+  /// 获取分类信息
+  Category _getCategory(String categoryId) {
+    return [...expenseCategories, ...incomeCategories]
+        .firstWhere((c) => c.id == categoryId);
+  }
+
+  /// 按日期分组记录
+  Map<String, List<Record>> _groupByDate() {
+    final groups = <String, List<Record>>{};
+    for (final record in records) {
+      final date = _formatDate(record.createTime);
+      if (!groups.containsKey(date)) {
+        groups[date] = [];
+      }
+      groups[date]!.add(record);
+    }
+    return groups;
+  }
+
+  /// 格式化日期
+  String _formatDate(DateTime date) {
+    return '${date.year}-${date.month.toString().padLeft(2, '0')}-${date.day.toString().padLeft(2, '0')}';
+  }
+
+  /// 计算日汇总
+  String _getDailySummary(List<Record> dayRecords) {
+    double expense = 0;
+    double income = 0;
+    for (final record in dayRecords) {
+      if (record.type == RecordType.expense) {
+        expense += record.amount;
+      } else {
+        income += record.amount;
+      }
+    }
+    
+    final parts = <String>[];
+    if (expense > 0) parts.add('支:￥${expense.toStringAsFixed(2)}');
+    if (income > 0) parts.add('收:￥${income.toStringAsFixed(2)}');
+    return parts.join(' ');
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final groups = _groupByDate();
+    final dates = groups.keys.toList()..sort((a, b) => b.compareTo(a));
+
+    return ListView.builder(
+      itemCount: dates.length,
+      itemBuilder: (context, index) {
+        final date = dates[index];
+        final dayRecords = groups[date]!;
+        
+        return Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            // 日期头部
+            Padding(
+              padding: const EdgeInsets.all(16),
+              child: Row(
+                mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                children: [
+                  Text(
+                    date,
+                    style: const TextStyle(
+                      fontWeight: FontWeight.bold,
+                      fontSize: 16,
+                    ),
+                  ),
+                  Text(_getDailySummary(dayRecords)),
+                ],
+              ),
+            ),
+            // 记录列表
+            ...dayRecords.map((record) {
+              final category = _getCategory(record.categoryId);
+              return ListTile(
+                leading: Icon(category.icon),
+                title: Text(category.name),
+                subtitle: record.note != null ? Text(record.note!) : null,
+                trailing: Text(
+                  '${record.type == RecordType.expense ? "-" : "+"}￥${record.amount.toStringAsFixed(2)}',
+                  style: TextStyle(
+                    color: record.type == RecordType.expense 
+                        ? Colors.red 
+                        : Colors.green,
+                    fontWeight: FontWeight.bold,
+                  ),
+                ),
+                onTap: () => showDialog(
+                  context: context,
+                  builder: (context) => RecordDetailDialog(
+                    record: record,
+                    onEdit: () => onRecordTap(record),
+                    onDelete: () => onRecordDelete(record.id),
+                  ),
+                ),
+              );
+            }).toList(),
+            const Divider(),
+          ],
+        );
+      },
+    );
+  }
+} 

pubspec.lock

@@ -41,6 +41,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.18.0"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      sha256: ff625774173754681d66daaf4a448684fb04b78f902da9cb3d308c19cc5e8bab
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.3"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -89,6 +97,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "7.0.1"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      sha256: b6dc7065e46c974bc7c5f143080a6764ec7a4be6da1285ececdc37be96de53be
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -153,7 +169,7 @@ packages:
     source: hosted
     version: "1.10.0"
   path:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: path
       sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
@@ -205,6 +221,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.10.0"
+  sprintf:
+    dependency: transitive
+    description:
+      name: sprintf
+      sha256: "1fc9ffe69d4df602376b52949af107d8f5703b77cda567c4d7d86a0693120f23"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.0"
+  sqflite:
+    dependency: "direct main"
+    description:
+      name: sqflite
+      sha256: a9016f495c927cb90557c909ff26a6d92d9bd54fc42ba92e19d4e79d61e798c6
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
+  sqflite_common:
+    dependency: transitive
+    description:
+      name: sqflite_common
+      sha256: "28d8c66baee4968519fb8bd6cdbedad982d6e53359091f0b74544a9f32ec72d5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.5.3"
   stack_trace:
     dependency: transitive
     description:
@@ -229,6 +269,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.2.0"
+  synchronized:
+    dependency: transitive
+    description:
+      name: synchronized
+      sha256: "539ef412b170d65ecdafd780f924e5be3f60032a1128df156adad6c5b373d558"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.0+1"
   term_glyph:
     dependency: transitive
     description:
@@ -245,6 +293,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.6.1"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: facc8d6582f16042dd49f2463ff1bd6e2c9ef9f3d5da3d9b087e244a7b564b3c
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.2"
+  uuid:
+    dependency: "direct main"
+    description:
+      name: uuid
+      sha256: a5be9ef6618a7ac1e964353ef476418026db906c4facdedaa299b7a2e71690ff
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.5.1"
   vector_math:
     dependency: transitive
     description:
@@ -295,4 +359,4 @@ packages:
     version: "1.1.2"
 sdks:
   dart: ">=3.2.5 <4.0.0"
-  flutter: ">=3.3.0"
+  flutter: ">=3.7.0"

pubspec.yaml

@@ -32,6 +32,9 @@ dependencies:
     sdk: flutter
   sensors_plus: ^1.4.1  # 用于检测手机摇晃
   vibration: ^1.8.4  # 添加震动支持
+  uuid: ^4.3.3  # 添加uuid包用于生成唯一ID
+  sqflite: ^2.3.2  # 添加 SQLite 支持
+  path: ^1.8.3     # 用于处理文件路径
 
 
   # The following adds the Cupertino Icons font to your application.