swing_account/lib/widgets/statistics/monthly_report.dart
2025-01-02 13:39:25 +08:00

129 lines
3.8 KiB
Dart

import 'package:flutter/material.dart';
import '../../models/record.dart';
class MonthlyReport extends StatelessWidget {
final List<Record> records;
const MonthlyReport({
Key? key,
required this.records,
}) : super(key: key);
@override
Widget build(BuildContext context) {
final monthlyData = _getMonthlyData();
return Container(
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(12),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.05),
blurRadius: 8,
offset: const Offset(0, 2),
),
],
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'月报表',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 16),
Table(
columnWidths: const {
0: FlexColumnWidth(1.5),
1: FlexColumnWidth(2),
2: FlexColumnWidth(2),
3: FlexColumnWidth(2),
},
children: [
const TableRow(
children: [
Text('月份', style: TextStyle(fontWeight: FontWeight.bold)),
Text('收入', style: TextStyle(fontWeight: FontWeight.bold)),
Text('支出', style: TextStyle(fontWeight: FontWeight.bold)),
Text('结余', style: TextStyle(fontWeight: FontWeight.bold)),
],
),
...monthlyData.map((data) => TableRow(
children: [
Padding(
padding: const EdgeInsets.symmetric(vertical: 8),
child: Text('${data.month}'),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8),
child: Text(
'¥${data.income.toStringAsFixed(2)}',
style: const TextStyle(color: Colors.green),
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8),
child: Text(
'¥${data.expense.toStringAsFixed(2)}',
style: const TextStyle(color: Colors.red),
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8),
child: Text(
'¥${(data.income - data.expense).toStringAsFixed(2)}',
style: TextStyle(
color: data.income >= data.expense
? Colors.green
: Colors.red,
),
),
),
],
)).toList(),
],
),
],
),
);
}
List<MonthData> _getMonthlyData() {
final Map<int, MonthData> monthlyMap = {};
// 初始化12个月的数据
for (int month = 1; month <= 12; month++) {
monthlyMap[month] = MonthData(month: month);
}
// 填充实际数据
for (final record in records) {
final month = record.createTime.month;
if (record.type == RecordType.expense) {
monthlyMap[month]!.expense += record.amount;
} else {
monthlyMap[month]!.income += record.amount;
}
}
return monthlyMap.values.toList()
..sort((a, b) => a.month.compareTo(b.month));
}
}
class MonthData {
final int month;
double expense;
double income;
MonthData({
required this.month,
this.expense = 0,
this.income = 0,
});
}