新增近7日支出 和月度收支

README.md

@@ -1,16 +1,54 @@
-# swing_account
+# Swing Account (摇摇记账)
 
-A new Flutter project.
+一个简单易用的记账应用，支持摇一摇快速记账。
 
-## Getting Started
+## 功能特点
 
-This project is a starting point for a Flutter application.
+### 记账功能
+- 支持收入/支出记录
+- 摇一摇快速记账
+- 记录分类管理
+- 备注和图片附件
 
-A few resources to get you started if this is your first Flutter project:
+### 数据统计
+- 月度收支统计
+  * 月支出总额
+  * 月收入总额
+  * 月结余计算
+  * 金额显示/隐藏切换
+- 最近7日支出统计
+  * 柱状图显示
+  * 自动计算比例
+  * 支持金额缩写(k/w)
+- 按日期分组的记录列表
+  * 日期分组显示
+  * 每日收支统计
+  * 支持编辑和删除
 
-- [Lab: Write your first Flutter app](https://docs.flutter.dev/get-started/codelab)
-- [Cookbook: Useful Flutter samples](https://docs.flutter.dev/cookbook)
+### 界面交互
+- 月份筛选
+- 记录详情查看
+- 支持记录编辑/删除
+- 响应式布局设计
 
-For help getting started with Flutter development, view the
-[online documentation](https://docs.flutter.dev/), which offers tutorials,
-samples, guidance on mobile development, and a full API reference.
+## 技术特点
+
+### 核心功能
+- 使用 SQLite 本地数据存储
+- 传感器集成实现摇一摇
+- 支持图片附件存储
+- 精确的数值计算
+
+### 依赖包
+- sensors_plus: 传感器支持
+- vibration: 震动反馈
+- sqflite: 数据库
+- decimal: 精确计算
+- uuid: 唯一标识
+- path: 文件路径处理
+
+## 开发环境
+- Flutter SDK: >=3.2.5 <4.0.0
+- Dart SDK: >=3.2.5 <4.0.0
+
+## 项目结构

lib/pages/home_page.dart

@@ -7,6 +7,8 @@ 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';
+import '../widgets/weekly_spending_chart.dart';
+import '../widgets/monthly_summary_card.dart';
 
 class HomePage extends StatefulWidget {
   const HomePage({Key? key}) : super(key: key);
@@ -23,10 +25,11 @@ class _HomePageState extends State<HomePage> {
   final _dbService = DatabaseService();
   List<Record> records = [];
   DateTime _selectedMonth = DateTime.now();  // 添加选中月份状态
+  bool _isAmountVisible = true;  // 添加可视状态
 
   // 定义摇晃检测的常量
   static const double _shakeThreshold = 8.0;  // 单次摇晃的加速度阈值
-  static const double _directionThreshold = 2.0;  // 方向改变的最小加速度
+  static const double _directionThreshold = 2.0;  // 方向改变的最小加速
   static const int _sampleSize = 3;  // 采样数量
   static const Duration _shakeWindow = Duration(milliseconds: 800);
   static const Duration _cooldown = Duration(milliseconds: 50);
@@ -61,7 +64,7 @@ class _HomePageState extends State<HomePage> {
     _loadRecords();
   }
 
-  /// 重置摇<EFBFBD><EFBFBD>检测状态
+  /// 重置摇晃检测状态
   void _resetShakeDetection() {
     _lastShakeTime = null;
     _recentXValues.clear();
@@ -234,20 +237,19 @@ class _HomePageState extends State<HomePage> {
         children: [
           Padding(
             padding: const EdgeInsets.all(16.0),
-            child: Row(
-              mainAxisAlignment: MainAxisAlignment.spaceBetween,
-              children: [
-                _buildMonthSelector(),
-                Text(
-                  '总支出: ¥${records.fold(0.0, (sum, record) => sum + record.amount).toStringAsFixed(2)}',
-                  style: const TextStyle(
-                    fontSize: 16,
-                    fontWeight: FontWeight.bold,
-                  ),
-                ),
-              ],
-            ),
+            child: _buildMonthSelector(),
           ),
+          MonthlySummaryCard(
+            records: records,
+            isVisible: _isAmountVisible,
+            onAddRecord: () => _navigateToRecordPage(),
+            onVisibilityChanged: (value) {
+              setState(() {
+                _isAmountVisible = value;
+              });
+            },
+          ),
+          WeeklySpendingChart(records: records),
           Expanded(
             child: RecordList(
               records: records,
@@ -257,10 +259,6 @@ class _HomePageState extends State<HomePage> {
           ),
         ],
       ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: () => _navigateToRecordPage(),
-        child: const Icon(Icons.add),
-      ),
     );
   }
 
@@ -269,4 +267,4 @@ class _HomePageState extends State<HomePage> {
     _accelerometerSubscription?.cancel();
     super.dispose();
   }
-} 
+} 

lib/widgets/monthly_summary_card.dart

@@ -0,0 +1,136 @@
+import 'package:flutter/material.dart';
+import '../models/record.dart';
+
+class MonthlySummaryCard extends StatelessWidget {
+  final List<Record> records;
+  final bool isVisible;
+  final VoidCallback onAddRecord;
+  final Function(bool) onVisibilityChanged;
+
+  const MonthlySummaryCard({
+    Key? key,
+    required this.records,
+    required this.isVisible,
+    required this.onAddRecord,
+    required this.onVisibilityChanged,
+  }) : super(key: key);
+
+  String _formatAmount(double amount, {bool showSign = false}) {
+    if (!isVisible) return '¥****';
+    String prefix = showSign && amount > 0 ? '+' : '';
+    return '$prefix¥${amount.toStringAsFixed(2)}';
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final monthlyExpense = records
+        .where((r) => r.type == RecordType.expense)
+        .fold(0.0, (sum, r) => sum + r.amount);
+    
+    final monthlyIncome = records
+        .where((r) => r.type == RecordType.income)
+        .fold(0.0, (sum, r) => sum + r.amount);
+    
+    final monthlyBalance = monthlyIncome - monthlyExpense;
+
+    return Container(
+      margin: const EdgeInsets.all(16),
+      padding: const EdgeInsets.all(20),
+      decoration: BoxDecoration(
+        color: Colors.white,
+        borderRadius: BorderRadius.circular(16),
+        boxShadow: [
+          BoxShadow(
+            color: Colors.black.withOpacity(0.05),
+            blurRadius: 10,
+            offset: const Offset(0, 2),
+          ),
+        ],
+      ),
+      child: Column(
+        children: [
+          Row(
+            mainAxisAlignment: MainAxisAlignment.spaceBetween,
+            children: [
+              const Text(
+                '月支出',
+                style: TextStyle(
+                  fontSize: 16,
+                  color: Colors.black54,
+                ),
+              ),
+              IconButton(
+                icon: Icon(
+                  isVisible ? Icons.visibility : Icons.visibility_off,
+                  size: 20,
+                  color: Colors.black54,
+                ),
+                onPressed: () => onVisibilityChanged(!isVisible),
+              ),
+            ],
+          ),
+          const SizedBox(height: 8),
+          Text(
+            _formatAmount(monthlyExpense),
+            style: const TextStyle(
+              fontSize: 32,
+              fontWeight: FontWeight.bold,
+            ),
+          ),
+          const SizedBox(height: 16),
+          Row(
+            mainAxisAlignment: MainAxisAlignment.spaceAround,
+            children: [
+              _buildSummaryItem('月收入', monthlyIncome),
+              _buildSummaryItem('月结余', monthlyBalance, showSign: true),
+            ],
+          ),
+          const SizedBox(height: 20),
+          SizedBox(
+            width: double.infinity,
+            height: 44,
+            child: ElevatedButton(
+              onPressed: onAddRecord,
+              style: ElevatedButton.styleFrom(
+                backgroundColor: const Color(0xFF9FE2BF),
+                foregroundColor: Colors.white,
+                shape: RoundedRectangleBorder(
+                  borderRadius: BorderRadius.circular(22),
+                ),
+              ),
+              child: const Text(
+                '记一笔',
+                style: TextStyle(
+                  fontSize: 16,
+                  fontWeight: FontWeight.w500,
+                ),
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildSummaryItem(String label, double amount, {bool showSign = false}) {
+    return Column(
+      children: [
+        Text(
+          label,
+          style: const TextStyle(
+            fontSize: 14,
+            color: Colors.black54,
+          ),
+        ),
+        const SizedBox(height: 4),
+        Text(
+          _formatAmount(amount, showSign: showSign),
+          style: const TextStyle(
+            fontSize: 16,
+            fontWeight: FontWeight.w500,
+          ),
+        ),
+      ],
+    );
+  }
+} 

lib/widgets/weekly_spending_chart.dart

@@ -0,0 +1,175 @@
+import 'package:flutter/material.dart';
+import '../models/record.dart';
+import '../services/database_service.dart';
+
+class WeeklySpendingChart extends StatelessWidget {
+  final List<Record> records;
+  late final DatabaseService _dbService;
+
+  WeeklySpendingChart({
+    Key? key,
+    required this.records,
+  }) : super(key: key) {
+    _dbService = DatabaseService();
+  }
+
+  /// 获取最近7天的数据
+  Future<List<DailySpending>> _getWeeklyData() async {
+    final now = DateTime.now();
+    final startDate = DateTime(now.year, now.month, now.day - 6);
+    final endDate = DateTime(now.year, now.month, now.day, 23, 59, 59);
+    
+    // 直接从数据库获取最近7天的数据
+    final weekRecords = await _dbService.getRecordsByDateRange(startDate, endDate);
+    
+    final List<DailySpending> weeklyData = [];
+    for (int i = 6; i >= 0; i--) {
+      final date = DateTime(now.year, now.month, now.day - i);
+      final dayRecords = weekRecords.where((record) => 
+        record.createTime.year == date.year &&
+        record.createTime.month == date.month &&
+        record.createTime.day == date.day &&
+        record.type == RecordType.expense
+      );
+      
+      final dailyTotal = dayRecords.fold(0.0, (sum, record) => sum + record.amount);
+      weeklyData.add(DailySpending(
+        date: date,
+        amount: dailyTotal,
+      ));
+    }
+    
+    return weeklyData;
+  }
+
+  String _formatAmount(double amount) {
+    if (amount >= 10000) {
+      return '${(amount / 10000).toStringAsFixed(2)}w';
+    } else if (amount >= 1000) {
+      return '${(amount / 1000).toStringAsFixed(2)}k';
+    }
+    return amount.toStringAsFixed(2);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return FutureBuilder<List<DailySpending>>(
+      future: _getWeeklyData(),
+      builder: (context, snapshot) {
+        if (!snapshot.hasData) {
+          return const Center(child: CircularProgressIndicator());
+        }
+
+        final weeklyData = snapshot.data!;
+        final totalSpending = weeklyData.fold(0.0, (sum, day) => sum + day.amount);
+        final maxDailySpending = weeklyData.fold(0.0, (max, day) => day.amount > max ? day.amount : max);
+
+        return Container(
+          padding: const EdgeInsets.all(16),
+          margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
+          decoration: BoxDecoration(
+            color: Colors.white,
+            borderRadius: BorderRadius.circular(12),
+            boxShadow: [
+              BoxShadow(
+                color: Colors.grey.withOpacity(0.1),
+                spreadRadius: 1,
+                blurRadius: 4,
+                offset: const Offset(0, 2),
+              ),
+            ],
+          ),
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              Row(
+                mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                children: [
+                  const Text(
+                    '最近7日支出',
+                    style: TextStyle(
+                      fontSize: 16,
+                      fontWeight: FontWeight.bold,
+                    ),
+                  ),
+                  Text(
+                    '总计: ${totalSpending.toStringAsFixed(2)}',
+                    style: const TextStyle(
+                      fontSize: 14,
+                      color: Colors.grey,
+                    ),
+                  ),
+                ],
+              ),
+              const SizedBox(height: 16),
+              SizedBox(
+                height: 140,
+                child: Row(
+                  mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+                  crossAxisAlignment: CrossAxisAlignment.end,
+                  children: weeklyData.map((day) {
+                    final barHeight = maxDailySpending > 0 
+                      ? (day.amount / maxDailySpending) * 80 
+                      : 0.0;
+                    
+                    return SizedBox(
+                      width: 40,
+                      child: Column(
+                        mainAxisSize: MainAxisSize.min,
+                        mainAxisAlignment: MainAxisAlignment.end,
+                        children: [
+                          Text(
+                            _formatAmount(day.amount),
+                            style: const TextStyle(
+                              fontSize: 11,
+                              height: 1.2,
+                            ),
+                            textAlign: TextAlign.center,
+                          ),
+                          const SizedBox(height: 4),
+                          Container(
+                            width: 24,
+                            height: barHeight,
+                            decoration: BoxDecoration(
+                              color: Theme.of(context).primaryColor.withOpacity(0.8),
+                              borderRadius: const BorderRadius.vertical(
+                                top: Radius.circular(4),
+                              ),
+                            ),
+                          ),
+                          const SizedBox(height: 4),
+                          Text(
+                            _getWeekdayText(day.date.weekday),
+                            style: const TextStyle(
+                              fontSize: 12,
+                              height: 1.2,
+                            ),
+                          ),
+                        ],
+                      ),
+                    );
+                  }).toList(),
+                ),
+              ),
+            ],
+          ),
+        );
+      },
+    );
+  }
+
+  String _getWeekdayText(int weekday) {
+    const weekdays = ['周一', '周二', '周三', '周四', '周五', '周六', '周日'];
+    return weekdays[weekday - 1];
+  }
+}
+
+class DailySpending {
+  final DateTime date;
+  final double amount;
+
+  DailySpending({
+    required this.date,
+    required this.amount,
+  });
+} 

pubspec.lock

@@ -57,6 +57,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.8"
+  decimal:
+    dependency: "direct main"
+    description:
+      name: decimal
+      sha256: "4140a688f9e443e2f4de3a1162387bf25e1ac6d51e24c9da263f245210f41440"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.2"
   device_info_plus:
     dependency: transitive
     description:
@@ -128,6 +136,14 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  intl:
+    dependency: transitive
+    description:
+      name: intl
+      sha256: d6f56758b7d3014a48af9701c085700aac781a92a87a62b1333b46d8879661cf
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.19.0"
   lints:
     dependency: transitive
     description:
@@ -184,6 +200,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.8"
+  rational:
+    dependency: transitive
+    description:
+      name: rational
+      sha256: cb808fb6f1a839e6fc5f7d8cb3b0a10e1db48b3be102de73938c627f0b636336
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.3"
   sensors_plus:
     dependency: "direct main"
     description: