UI更新
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../../core/network/api_exception.dart';
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import '../../models/statistics_response.dart';
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import '../../providers/statistics_provider.dart';
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import '../../utils/amount_util.dart';
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import '../../widgets/state_views.dart';
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import 'widgets/category_pie_card.dart';
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import 'widgets/category_rank_list.dart';
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/// 统计页：按日/周/月切换 + 汇总 + 分类占比饼图 + 分类明细
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///
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/// 属于记账模块，从账单首页右上角进（不是顶层 Tab）。
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class BillStatisticsPage extends ConsumerWidget {
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const BillStatisticsPage({super.key});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final tab = ref.watch(statisticsTabProvider);
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final statsAsync = ref.watch(statisticsProvider(tab));
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return Scaffold(
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body: Container(
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width: double.infinity,
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height: double.infinity,
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decoration: const BoxDecoration(
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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: [Color(0xFFFFE5CC), Color(0xFFFFD4A8), Color(0xFFFFC08A)],
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),
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),
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child: SafeArea(
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child: ListView(
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physics: const AlwaysScrollableScrollPhysics(),
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padding: const EdgeInsets.fromLTRB(16, 12, 16, 0),
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children: [
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_titleRow(context),
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const SizedBox(height: 14),
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_tabBar(tab, ref),
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const SizedBox(height: 14),
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_content(ref, statsAsync),
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// 被 push 进来时底部没有导航栏，就不用留出避让高度
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SizedBox(height: Navigator.of(context).canPop() ? 24 : 90),
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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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// ---- 顶部标题（带返回，因为这个页面是 push 进来的） ----
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Widget _titleRow(BuildContext context) {
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return Row(
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children: [
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if (Navigator.of(context).canPop())
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InkWell(
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onTap: () => Navigator.of(context).pop(),
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borderRadius: BorderRadius.circular(20),
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child: const Padding(
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padding: EdgeInsets.all(6),
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child: Icon(Icons.arrow_back, size: 22, color: Color(0xFF5D4037)),
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),
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),
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const Text(
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'统计分析',
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style: TextStyle(
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fontSize: 20,
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fontWeight: FontWeight.bold,
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color: Color(0xFF5D4037),
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),
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),
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],
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);
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}
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// ---- 时间粒度切换 ----
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Widget _tabBar(StatisticsTab current, WidgetRef ref) {
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return Container(
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padding: const EdgeInsets.all(4),
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decoration: BoxDecoration(
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color: Colors.white.withValues(alpha: 0.9),
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borderRadius: BorderRadius.circular(14),
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border: Border.all(color: const Color(0xFFC8956E)),
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),
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child: Row(
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children: [
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_tabItem('按日', StatisticsTab.daily, current, ref),
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_tabItem('按周', StatisticsTab.weekly, current, ref),
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_tabItem('按月', StatisticsTab.monthly, current, ref),
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],
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),
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);
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}
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Widget _tabItem(String text, StatisticsTab tab, StatisticsTab current, WidgetRef ref) {
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final active = current == tab;
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return Expanded(
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child: GestureDetector(
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onTap: () => ref.read(statisticsTabProvider.notifier).set(tab),
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child: AnimatedContainer(
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duration: const Duration(milliseconds: 200),
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padding: const EdgeInsets.symmetric(vertical: 10),
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(10),
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gradient: active
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? const LinearGradient(colors: [Color(0xFFC8956E), Color(0xFFF5D59E)])
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: null,
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),
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child: Center(
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child: Text(
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text,
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style: TextStyle(
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fontSize: 14.5,
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fontWeight: FontWeight.w600,
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color: active ? const Color(0xFF5D4037) : const Color(0xFF8D6E63),
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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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// ---- 内容区 ----
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Widget _content(WidgetRef ref, AsyncValue<StatisticsResponse> statsAsync) {
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return statsAsync.when(
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loading: () => const LoadingView(),
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error: (e, _) => ErrorView(
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message: asApiException(e).message,
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onRetry: () => ref.invalidate(statisticsProvider),
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),
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data: (stats) => Column(
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children: [
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_summaryCard(stats),
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const SizedBox(height: 12),
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if (stats.categoryStatistics.isEmpty)
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const EmptyView(title: '暂无统计数据', tip: '所选时间范围内还没有账单')
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else ...[
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CategoryPieCard(stats: stats),
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const SizedBox(height: 12),
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CategoryRankList(stats: stats),
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],
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],
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),
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);
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}
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// ---- 汇总卡 ----
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Widget _summaryCard(StatisticsResponse stats) {
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return Container(
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padding: const EdgeInsets.symmetric(vertical: 18),
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(18),
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gradient: const LinearGradient(
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colors: [Color(0xFFC8956E), Color(0xFFF5D59E), Color(0xFFFFD700)],
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),
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boxShadow: [
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BoxShadow(
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color: const Color(0xFF5D4037).withValues(alpha: 0.18),
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blurRadius: 10,
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offset: const Offset(0, 4),
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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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_summaryItem('总收入', stats.totalIncome, const Color(0xFF1B5E20)),
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_vDivider(),
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_summaryItem('总支出', stats.totalExpense, const Color(0xFFB71C1C)),
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_vDivider(),
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_summaryItem('余额', stats.balance, const Color(0xFF3E2723)),
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],
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),
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);
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}
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Widget _summaryItem(String label, double amount, Color color) {
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return Expanded(
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child: Column(
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children: [
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Text(
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label,
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style: const TextStyle(fontSize: 12, color: Color(0xFF4E342E)),
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),
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const SizedBox(height: 6),
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Text(
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'¥${formatAmount(amount)}',
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style: TextStyle(fontSize: 15, fontWeight: FontWeight.bold, color: color),
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),
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],
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),
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);
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}
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Widget _vDivider() =>
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Container(width: 1, height: 26, color: const Color(0xFF5D4037).withValues(alpha: 0.25));
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}
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