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feat:增加common框架

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Cxx0822
2025-11-23 20:28:45 +08:00
parent e38e26e685
commit f11b8d6a30
32 changed files with 280 additions and 1545 deletions
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77
lib/widget/blog.dart
View File

@@ -1,9 +1,9 @@
import 'package:blog_app/models/blog.dart';
import 'package:blog_app/pages/blog_detail_page.dart';
import 'package:blog_app/pages/category_list_page.dart';
import 'package:blog_app/utils/date_utils.dart';
import 'package:blog_app/widget/common.dart';
import 'package:flutter/material.dart';
import 'package:flutter_common/utils/date_utils.dart';
import 'package:flutter_common/widget/common_widget.dart';
class BlogLabel {
final String text;
@@ -122,7 +122,7 @@ class BlogCard extends StatelessWidget {
Widget build(BuildContext context) {
final colors = Theme.of(context).colorScheme;
return BuildCard(
return CommonCard(
child: Column(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
@@ -164,7 +164,7 @@ Widget buildCategoryTitle(BuildContext context, int count) {
Widget buildCategoryCard(BuildContext context, BlogCategory category) {
final colors = Theme.of(context).colorScheme;
return BuildCard(
return CommonCard(
child: ListTile(
leading: Container(
width: 50,
@@ -223,7 +223,7 @@ Widget buildListTitle(int count) {
Widget buildBlogListItem(BuildContext context, Blog blog, int index) {
final colors = Theme.of(context).colorScheme;
return BuildCard(
return CommonCard(
child: Padding(
padding: EdgeInsets.all(0),
child: Row(
@@ -259,73 +259,6 @@ Widget buildBlogListItem(BuildContext context, Blog blog, int index) {
);
}
Widget buildStatsCard({
required BuildContext context,
required IconData icon,
required String title,
required String count,
required String unit,
}) {
final colors = Theme.of(context).colorScheme;
return BuildCard(
child: Row(
children: [
Container(
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: colors.primary.withAlpha(50),
shape: BoxShape.circle,
),
child: Icon(icon, size: 26, color: colors.primary),
),
SizedBox(width: 6),
Expanded(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
Text(
title,
style: TextStyle(
fontSize: 16,
color: Colors.grey.shade600,
fontWeight: FontWeight.w500,
),
),
const SizedBox(height: 6),
Row(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.end,
children: [
Text(
count,
style: TextStyle(
fontSize: 28,
fontWeight: FontWeight.bold,
color: colors.primary,
height: 1.0,
),
),
const SizedBox(width: 4),
Text(
unit,
style: TextStyle(
fontSize: 14,
color: Colors.grey.shade600,
fontWeight: FontWeight.w500,
),
),
],
),
],
),
),
],
),
);
}
void navigatorToBlogDetail(BuildContext context, int blogId) {
Navigator.push(
context,

349
lib/widget/chart.dart
View File

@@ -1,349 +0,0 @@
import 'package:blog_app/models/common.dart';
import 'package:flutter/material.dart';
import 'package:syncfusion_flutter_charts/charts.dart';
Widget buildChartTitle(BuildContext context, String title, IconData icon) {
return Row(
children: [
Icon(icon, color: Theme.of(context).colorScheme.primary),
Text(title),
],
);
}
Widget buildChartDivider(BuildContext context) {
return Divider(
height: 1,
thickness: 1,
color: Theme.of(context).colorScheme.primary,
indent: 0,
endIndent: 0,
);
}
Widget lineChart({
required BuildContext context,
required String xAxisName,
required String yAxisName,
required String unit,
required List<ChartData> data,
}) {
return SfCartesianChart(
// 图表标题
// title: ChartTitle(text: '2023年上半年销售额（万元）'),
// X轴配置（类别轴）
primaryXAxis: CategoryAxis(majorGridLines: MajorGridLines(width: 0)),
// Y轴配置（数值轴）
// primaryYAxis: NumericAxis(title: AxisTitle(text: '$yAxisName（$unit）')),
// 启用图例
legend: Legend(isVisible: true, position: LegendPosition.top),
// 启用交互提示（点击数据点显示详情）
tooltipBehavior: TooltipBehavior(
enable: true,
format: 'point.x: point.y $unit',
),
// 折线图数据系列
series: [
LineSeries<ChartData, String>(
dataSource: data,
// X轴数据映射
xValueMapper: (ChartData chart, _) => chart.name,
// Y轴数据映射
yValueMapper: (ChartData chart, _) => chart.value,
// 线条颜色
color: Theme.of(context).colorScheme.primary,
// 线条宽度
width: 3,
// 数据点样式
markerSettings: const MarkerSettings(
isVisible: true,
color: Colors.white,
shape: DataMarkerType.circle,
height: 6,
width: 6,
),
// 折线名称（会显示在图例中）
name: yAxisName,
// 启用数据标签（直接显示数值）
dataLabelSettings: const DataLabelSettings(
isVisible: true,
color: Colors.white,
opacity: 0,
),
// 动画效果
animationDuration: 2000, // 动画时长（毫秒）
),
],
);
}
Widget barChart({
required BuildContext context,
required String xAxisName,
required String yAxisName,
required String unit,
required List<ChartData> data,
}) {
return SfCartesianChart(
// X轴配置（类别轴）
primaryXAxis: CategoryAxis(majorGridLines: MajorGridLines(width: 0)),
// Y轴配置（数值轴）
// primaryYAxis: NumericAxis(title: AxisTitle(text: '$yAxisName（$unit）')),
// 启用交互提示
tooltipBehavior: TooltipBehavior(
enable: true,
format: 'point.x: point.y $unit',
),
// 柱状图数据系列
series: [
ColumnSeries<ChartData, String>(
dataSource: data,
// X轴数据映射
xValueMapper: (ChartData chart, _) => chart.name,
// Y轴数据映射
yValueMapper: (ChartData chart, _) => chart.value,
// 名称
name: yAxisName,
// 柱子颜色
color: Theme.of(context).colorScheme.primary,
// 柱子宽度（0-1之间，1表示占满类别间隔）
width: 0.6,
// 柱子边框
borderWidth: 1,
borderColor: Colors.black12,
// 数据标签
dataLabelSettings: const DataLabelSettings(
isVisible: true,
color: Colors.white,
opacity: 0,
alignment: ChartAlignment.center,
),
// 动画效果
animationDuration: 2000,
),
],
);
}
Widget doubleBarChart({
required BuildContext context,
required String xAxisName,
required String yAxisName,
required String unit,
required List<ChartData> data1,
required List<ChartData> data2,
required String series1Name,
required String series2Name,
}) {
return SfCartesianChart(
// X轴配置（类别轴）
primaryXAxis: CategoryAxis(majorGridLines: const MajorGridLines(width: 0)),
// Y轴配置（数值轴）
// primaryYAxis: NumericAxis(title: AxisTitle(text: '$yAxisName（$unit）')),
// 图例配置
legend: Legend(
isVisible: true,
position: LegendPosition.top,
overflowMode: LegendItemOverflowMode.wrap,
),
// 启用交互提示
tooltipBehavior: TooltipBehavior(
enable: true,
format: 'series.name: point.y $unit',
),
// 双柱状图数据系列
series: <ColumnSeries<ChartData, String>>[
ColumnSeries<ChartData, String>(
dataSource: data1,
// X轴数据映射
xValueMapper: (ChartData chart, _) => chart.name,
// Y轴数据映射
yValueMapper: (ChartData chart, _) => chart.value,
// 系列名称
name: series1Name,
// 柱子颜色
color: Theme.of(context).colorScheme.primary,
// 柱子宽度
width: 0.3,
// 柱子边框
borderWidth: 1,
borderColor: Colors.black12,
// 数据标签
dataLabelSettings: const DataLabelSettings(
isVisible: true,
color: Colors.white,
opacity: 0,
alignment: ChartAlignment.center,
),
// 动画效果
animationDuration: 2000,
),
ColumnSeries<ChartData, String>(
dataSource: data2,
// X轴数据映射
xValueMapper: (ChartData chart, _) => chart.name,
// Y轴数据映射
yValueMapper: (ChartData chart, _) => chart.value,
// 系列名称
name: series2Name,
// 柱子颜色
color: Theme.of(context).colorScheme.inversePrimary,
// 柱子宽度
width: 0.3,
// 柱子边框
borderWidth: 1,
borderColor: Colors.black12,
// 数据标签
dataLabelSettings: const DataLabelSettings(
isVisible: true,
color: Colors.white,
opacity: 0,
alignment: ChartAlignment.center,
),
// 动画效果
animationDuration: 2000,
),
],
);
}
Widget pieChart({
required BuildContext context,
required String unit,
required List<ChartData> data,
}) {
// 计算 value 的总和
double sumValue = data.fold(0.0, (sum, item) => sum + item.value);
return SfCircularChart(
// 饼图标题
// title: ChartTitle(text: '菜谱类别占比分布'),
// 启用图例
legend: const Legend(isVisible: true, position: LegendPosition.right),
// 启用交互提示（点击扇区显示详情）
tooltipBehavior: TooltipBehavior(
enable: true,
format: 'point.x: point.y $unit',
),
// 饼图系列配置
series: [
PieSeries<ChartData, String>(
dataSource: data,
// 类别映射（饼图扇区名称）
xValueMapper: (ChartData data, _) => data.name,
// 数值映射（扇区大小占比）
yValueMapper: (ChartData data, _) => data.value,
// 扇区半径（0-1之间，1表示充满容器）
// radius: '50%',
// 启用扇区分离效果
explode: true,
// 指定分离的扇区索引（这里分离第一个扇区）
explodeIndex: 0,
// 分离距离
explodeOffset: '5%',
dataLabelMapper: (ChartData data, _) {
final percentage = (data.value / sumValue * 100).toStringAsFixed(0);
return '$percentage%';
},
// 数据标签（显示在扇区上的文本）
dataLabelSettings: DataLabelSettings(isVisible: true),
// 动画效果
animationDuration: 2000,
),
],
);
}
Color _getRankColor(BuildContext context, int index) {
switch (index) {
case 0: // 金牌
return const Color(0xFFFFD700); // 标准金色
case 1: // 银牌
return const Color(0xFFC0C0C0); // 标准银色
case 2: // 铜牌
return const Color(0xFFCD7F32); // 标准铜色
default:
return Theme.of(context).colorScheme.onSurface; // 普通颜色
}
}
Widget rankChart({
required BuildContext context,
required String unit,
required List<ChartData> data,
}) {
return ListView.builder(
itemCount: data.length,
itemBuilder: (context, index) {
final item = data[index];
final rank = index + 1;
return SizedBox(
height: 35,
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Row(
children: [
Container(
width: 25,
alignment: Alignment.center,
child: Text(
'$rank.',
style: TextStyle(
fontWeight: FontWeight.bold,
color: _getRankColor(context, index),
),
),
),
Text(
item.name,
style: TextStyle(
fontWeight: index < 3 ? FontWeight.bold : FontWeight.normal,
color: _getRankColor(context, index),
),
),
],
),
Text(
'${item.value.toStringAsFixed(0)} $unit',
style: TextStyle(
fontWeight: index < 3 ? FontWeight.bold : FontWeight.normal,
color: _getRankColor(context, index),
),
),
],
),
);
},
);
}

58
lib/widget/common.dart
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@@ -1,58 +0,0 @@
import 'package:flutter/material.dart';
class BuildCard extends StatelessWidget {
final Widget? child;
const BuildCard({super.key, this.child});
@override
Widget build(BuildContext context) {
final colors = Theme.of(context).colorScheme;
return Container(
decoration: BoxDecoration(
color: colors.surfaceContainer,
borderRadius: BorderRadius.circular(12),
),
padding: const EdgeInsets.all(16),
child: child,
);
}
}
Widget circleIconButton({
required IconData icon,
required VoidCallback onPressed,
required BuildContext context,
}) {
return ElevatedButton(
onPressed: onPressed,
style: ElevatedButton.styleFrom(
shape: CircleBorder(),
elevation: 0,
backgroundColor: Theme.of(context).colorScheme.primary,
padding: EdgeInsets.zero,
minimumSize: const Size(0, 0),
),
child: Icon(icon, color: Colors.white),
);
}
Widget buildErrorInfo({
required String errorInfo,
required VoidCallback onPressed,
}) {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text('加载失败: $errorInfo'),
ElevatedButton(onPressed: onPressed, child: Text('重试')),
],
),
);
}
Widget buildLoadingIndicator() {
return Center(child: CircularProgressIndicator());
}

4
lib/widget/search.dart
View File

@@ -1,7 +1,7 @@
import 'package:blog_app/models/blog.dart';
import 'package:blog_app/widget/blog.dart';
import 'package:blog_app/widget/common.dart';
import 'package:flutter/material.dart';
import 'package:flutter_common/widget/common_widget.dart';
Widget buildSearchField({
required TextEditingController controller,
@@ -29,7 +29,7 @@ Widget buildSearchField({
Widget buildSearchResultItem(BuildContext context, BlogSearch blog) {
final colors = Theme.of(context).colorScheme;
return BuildCard(
return CommonCard(
child: ListTile(
title: Text(
blog.title,

119
lib/widget/year_selector.dart
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@@ -1,119 +0,0 @@
import 'package:blog_app/widget/common.dart';
import 'package:flutter/material.dart';
class YearSelector extends StatefulWidget {
final int initialYear;
final int? minYear;
final int? maxYear;
final Function(int) onYearChanged;
const YearSelector({
super.key,
required this.initialYear,
required this.onYearChanged,
this.minYear,
this.maxYear,
});
@override
State<YearSelector> createState() => _YearSelectorState();
}
// SingleTickerProviderStateMixin 动画控制器
class _YearSelectorState extends State<YearSelector>
with SingleTickerProviderStateMixin {
late int _currentYear;
// 用于动画效果
late AnimationController _animationController;
late Animation<double> _scaleAnimation;
@override
void initState() {
super.initState();
_currentYear = widget.initialYear;
// 初始化动画控制器
_animationController = AnimationController(
vsync: this,
duration: const Duration(milliseconds: 200),
);
// 缩放动画
_scaleAnimation = Tween<double>(begin: 1.0, end: 1.1).animate(
CurvedAnimation(parent: _animationController, curve: Curves.easeInOut),
);
}
@override
void dispose() {
_animationController.dispose();
super.dispose();
}
/// 切换到上一年
void _previousYear() {
if (widget.minYear == null || _currentYear > widget.minYear!) {
_animateYearChange(() {
setState(() {
_currentYear--;
});
widget.onYearChanged(_currentYear);
});
}
}
/// 切换到下一年
void _nextYear() {
if (widget.maxYear == null || _currentYear < widget.maxYear!) {
_animateYearChange(() {
setState(() {
_currentYear++;
});
widget.onYearChanged(_currentYear);
});
}
}
/// 年份变化时的动画效果
void _animateYearChange(VoidCallback onComplete) {
_animationController.forward().then((_) {
onComplete();
_animationController.reverse();
});
}
@override
Widget build(BuildContext context) {
return Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
circleIconButton(
context: context,
icon: Icons.chevron_left,
onPressed: () => _previousYear(),
),
// 年份显示
AnimatedBuilder(
animation: _scaleAnimation,
builder: (context, child) {
return Transform.scale(scale: _scaleAnimation.value, child: child);
},
child: Text(
'$_currentYear',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.bold,
color: Theme.of(context).colorScheme.primary,
),
),
),
circleIconButton(
context: context,
icon: Icons.chevron_right,
onPressed: () => _nextYear(),
)
],
);
}
}