Flutter分组表格展示插件group_tablelist的使用

发布于 1周前 作者 yibo5220 来自 Flutter

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SliverGroupTableListGroupTableList来替代SliverListListView:

SliverGroupTableList(
  numberOfSections: showcaseList.length,
  numberOfRowsInSection: (section) =&gt; showcaseList[section].item.length,
  cellForRowAtIndexPath: (indexPath) =&gt; _flutterShowcaseCell(
      showcaseList[indexPath.section].item[indexPath.row]),
  headerInSection: (section) =&gt; _makeHeaderOrFooterInSection(section),
  overallHeader: () =&gt; _makeOverAll('overallHeader'),
  overallFooter: () =&gt; _makeOverAll('overallFooter'),
  footerInSection: (section) =&gt; _makeHeaderOrFooterInSection(section),
  didSelectRowAtIndexPath: (indexPath) =&gt; _handleDidSelectAtIndexPath(indexPath),
)

// 或者

GroupTableList(
  numberOfSections: showcaseList.length,
  numberOfRowsInSection: (section) =&gt; showcaseList[section].item.length,
  cellForRowAtIndexPath: (indexPath) =&gt; _flutterShowcaseCell(
      showcaseList[indexPath.section].item[indexPath.row]),
  headerInSection: (section) =&gt; _makeHeaderOrFooterInSection(section),
  overallHeader: () =&gt; _makeOverAll('overallHeader'),
  overallFooter: () =&gt; _makeOverAll('overallFooter'),
  footerInSection: (section) =&gt; _makeHeaderOrFooterInSection(section),
  didSelectRowAtIndexPath: (indexPath) =&gt; _handleDidSelectAtIndexPath(indexPath),
)

参数说明

以下是GroupTableListSliverGroupTableList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 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 -
sectionSeparator 请求显示指定节的分隔符 -
headerInSection 请求显示指定节的头部视图 -
footerInSection 请求显示指定节的尾部视图 -
overallHeader 整个表格视图的头部视图 -
overallFooter 整个表格视图的尾部视图 -
placeholderView 当没有数据时显示的默认视图 -
didSelectRowAtIndexPath 列表项被点击时的回调 -

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

1 回复

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GroupDataItemData,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。

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