Flutter分组表格展示插件group_tablelist的使用
Flutter分组表格展示插件group_tablelist的使用
标题
group_tablelist
内容
Flutter分组表格展示插件group_tablelist的使用
示例代码
import 'package:flutter/material.dart';
import 'group_tablelist_example.dart';
import 'sliver_group_tablelist_example.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({Key? key}) : super(key: key);
[@override](/user/override)
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
[@override](/user/override)
void initState() {
super.initState();
}
[@override](/user/override)
Widget build(BuildContext context) {
return MaterialApp(
title: 'Group TableList Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: const Home(),
);
}
}
class Home extends StatefulWidget {
const Home({Key? key}) : super(key: key);
[@override](/user/override)
_HomeState createState() => _HomeState();
}
class _HomeState extends State<Home> {
[@override](/user/override)
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Group List View Demo'),
),
body: _makeBody(),
);
}
Widget _makeBody() {
return Center(
child: Column(mainAxisAlignment: MainAxisAlignment.center, children: [
TextButton(
onPressed: () {
Navigator.of(context).push(MaterialPageRoute(builder: (context) {
return const GroupTablelistExample();
}));
},
child: const Text(
"GroupTablelist",
textAlign: TextAlign.center,
style: TextStyle(
color: Colors.blue,
fontWeight: FontWeight.w6600,
fontSize: 16,
height: 1,
),
),
),
TextButton(
onPressed: () {
Navigator.of(context).push(MaterialPageRoute(builder: (context) {
return const SliverGroupTablelistExample();
}));
},
child: const Text(
"SliverGroupTablelist",
textAlign: TextAlign.center,
style: TextStyle(
color: Colors.pink,
fontWeight: FontWeight.w600,
fontSize: 16,
height: 1,
),
),
),
]),
);
}
}
插件介绍
group_tablelist 是一个用于Flutter的分组列表插件,其名称类似于iOS中的UITableView方法。它提供了null安全功能,并且可以将列表项按组进行分离。此外,还可以设置整个表格视图的头部和尾部。
使用示例
在你的Dart文件中添加以下代码:
import 'package:group_tablelist/group_tablelist.dart';
然后创建SliverGroupTableList
或GroupTableList
来替代SliverList
或ListView
:
SliverGroupTableList(
numberOfSections: showcaseList.length,
numberOfRowsInSection: (section) => showcaseList[section].item.length,
cellForRowAtIndexPath: (indexPath) => _flutterShowcaseCell(
showcaseList[indexPath.section].item[indexPath.row]),
headerInSection: (section) => _makeHeaderOrFooterInSection(section),
overallHeader: () => _makeOverAll('overallHeader'),
overallFooter: () => _makeOverAll('overallFooter'),
footerInSection: (section) => _makeHeaderOrFooterInSection(section),
didSelectRowAtIndexPath: (indexPath) => _handleDidSelectAtIndexPath(indexPath),
)
// 或者
GroupTableList(
numberOfSections: showcaseList.length,
numberOfRowsInSection: (section) => showcaseList[section].item.length,
cellForRowAtIndexPath: (indexPath) => _flutterShowcaseCell(
showcaseList[indexPath.section].item[indexPath.row]),
headerInSection: (section) => _makeHeaderOrFooterInSection(section),
overallHeader: () => _makeOverAll('overallHeader'),
overallFooter: () => _makeOverAll('overallFooter'),
footerInSection: (section) => _makeHeaderOrFooterInSection(section),
didSelectRowAtIndexPath: (indexPath) => _handleDidSelectAtIndexPath(indexPath),
)
参数说明
以下是GroupTableList
和SliverGroupTableList
的一些参数及其描述:
参数名 | 描述 | 是否必填 | 默认值 |
---|---|---|---|
numberOfSections |
请求数据源返回表单的节数 | 否 | 1 |
numberOfRowsInSection |
返回指定节中的行数(表格单元格) | 必填 | - |
cellForRowAtIndexPath |
返回指定索引路径的表格单元格 | 必填 | - |
separatorAtIndexPath |
返回指定索引路径的分隔符 | 否 | - |
sectionSeparator |
请求显示指定节的分隔符 | 否 | - |
headerInSection |
请求显示指定节的头部视图 | 否 | - |
footerInSection |
请求显示指定节的尾部视图 | 否 | - |
overallHeader |
整个表格视图的头部视图 | 否 | - |
overallFooter |
整个表格视图的尾部视图 | 否 | - |
placeholderView |
当没有数据时显示的默认视图 | 否 | - |
didSelectRowAtIndexPath |
列表项被点击时的回调 | 否 | - |
示例代码
import 'package:flutter/material.dart';
import 'group_tablelist_example.dart';
import 'sliver_group_tablelist_example.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({Key? key}) : super(key: key);
[@override](/user/override)
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
[@override](/user/override)
void initState() {
super.initState();
}
[@override](/user/override)
Widget build(BuildContext context) {
return MaterialApp(
title: 'Group TableList Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: const Home(),
);
}
}
class Home extends StatefulWidget {
const Home({Key? key}) : super(key: key);
[@override](/user/override)
_HomeState createState() => _HomeState();
}
class _HomeState extends State<Home> {
[@override](/user/override)
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Group List View Demo'),
),
body: _makeBody(),
);
}
Widget _makeBody() {
return Center(
child: Column(mainAxisAlignment: MainAxisAlignment.center, children: [
TextButton(
onPressed: () {
Navigator.of(context).push(MaterialPageRoute(builder: (context) {
return const GroupTablelistExample();
}));
},
child: const Text(
"GroupTablelist",
textAlign: TextAlign.center,
style: TextStyle(
color: Colors.blue,
fontWeight: FontWeight.w600,
fontSize: 16,
height: 1,
),
),
),
TextButton(
onPressed: () {
Navigator.of(context).push(MaterialPageRoute(builder: (context) {
return const SliverGroupTablelistExample();
}));
},
child: const Text(
"SliverGroupTablelist",
textAlign: TextAlign.center,
style: TextStyle(
color: Colors.pink,
fontWeight: FontWeight.w600,
fontSize: 15,
height: 1,
),
),
),
]),
);
}
}
更多关于Flutter分组表格展示插件group_tablelist的使用的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html
更多关于Flutter分组表格展示插件group_tablelist的使用的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html
当然,以下是如何在Flutter中使用group_tablelist
插件来展示分组表格的一个简单示例。请注意,由于group_tablelist
并不是Flutter官方或者广泛知名的插件,因此这里的代码将基于一个假设的API设计和实现方式。如果group_tablelist
插件的实际API有所不同,请查阅其官方文档进行调整。
首先,确保你已经在pubspec.yaml
文件中添加了group_tablelist
依赖:
dependencies:
flutter:
sdk: flutter
group_tablelist: ^latest_version # 请替换为实际的最新版本号
然后,运行flutter pub get
来安装依赖。
接下来,在你的Flutter项目中,你可以按照以下方式使用group_tablelist
来展示分组表格:
import 'package:flutter/material.dart';
import 'package:group_tablelist/group_tablelist.dart'; // 假设插件提供了这个导入路径
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Group TableList Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: GroupTableListScreen(),
);
}
}
class GroupTableListScreen extends StatefulWidget {
@override
_GroupTableListScreenState createState() => _GroupTableListScreenState();
}
class _GroupTableListScreenState extends State<GroupTableListScreen> {
// 示例数据
final List<GroupData> groupDataList = [
GroupData(
title: 'Group 1',
items: [
ItemData(title: 'Item 1.1', value: 'Value 1.1'),
ItemData(title: 'Item 1.2', value: 'Value 1.2'),
],
),
GroupData(
title: 'Group 2',
items: [
ItemData(title: 'Item 2.1', value: 'Value 2.1'),
ItemData(title: 'Item 2.2', value: 'Value 2.2'),
],
),
];
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('Group TableList Demo'),
),
body: Padding(
padding: const EdgeInsets.all(16.0),
child: GroupTableList(
groupDataList: groupDataList,
groupHeaderBuilder: (BuildContext context, String groupTitle) {
return Padding(
padding: const EdgeInsets.only(bottom: 8.0),
child: Text(
groupTitle,
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
);
},
itemBuilder: (BuildContext context, ItemData itemData) {
return Row(
children: [
Text(itemData.title),
SizedBox(width: 16),
Text(itemData.value),
],
);
},
),
),
);
}
}
// 假设的数据模型
class GroupData {
final String title;
final List<ItemData> items;
GroupData({required this.title, required this.items});
}
class ItemData {
final String title;
final String value;
ItemData({required this.title, required this.value});
}
在这个示例中,我们定义了两个数据模型GroupData
和ItemData
,分别表示分组和分组内的项目。GroupTableListScreen
是一个有状态的Widget,它维护了一个分组数据的列表。
GroupTableList
是一个自定义的Widget(在这个示例中假设group_tablelist
插件提供了这个Widget),它接受一个分组数据列表,并接受两个builder函数:groupHeaderBuilder
用于构建每个分组的标题,itemBuilder
用于构建每个分组内的项目。
请注意,这个示例是基于假设的group_tablelist
插件的API。如果实际的group_tablelist
插件的API有所不同,请查阅其官方文档以获取正确的使用方法和参数。