Flutter展示DataTable：创建动态数据表格教程-优快云博客

本文详细介绍了如何使用Flutter的DataTable组件创建一个包含姓名、年龄和角色三列的表格，展示了如何定义列和行数据。通过实例代码，读者可以快速上手实现数据表格的显示。

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DataTable 数据在表格中显示

/// Flutter code sample for DataTable

// This sample shows how to display a [DataTable] with three columns: name, age, and
// role. The columns are defined by three [DataColumn] objects. The table
// contains three rows of data for three example users, the data for which
// is defined by three [DataRow] objects.
//
// ![](https://flutter.github.io/assets-for-api-docs/assets/material/data_table.png)

import 'package:flutter/material.dart';

void main() => runApp(const MyApp());

/// This is the main application widget.
class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  static const String _title = 'Flutter Code Sample';

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: _title,
      home: Scaffold(
        appBar: AppBar(title: const Text(_title)),
        body: const MyStatelessWidget(),
      ),
    );
  }
}

/// This is the stateless widget that the main application instantiates.
class MyStatelessWidget extends StatelessWidget {
  const MyStatelessWidget({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return DataTable(
      columns: const <DataColumn>[
        DataColumn(
          label: Text(
            'Name',
            style: TextStyle(fontStyle: FontStyle.italic),
          ),
        ),
        DataColumn(
          label: Text(
            'Age',
            style: TextStyle(fontStyle: FontStyle.italic),
          ),
        ),
        DataColumn(
          label: Text(
            'Role',
            style: TextStyle(fontStyle: FontStyle.italic),
          ),
        ),
      ],
      rows: const <DataRow>[
        DataRow(
          cells: <DataCell>[
            DataCell(Text('Sarah')),
            DataCell(Text('19')),
            DataCell(Text('Student')),
          ],
        ),
        DataRow(
          cells: <DataCell>[
            DataCell(Text('Janine')),
            DataCell(Text('43')),
            DataCell(Text('Professor')),
          ],
        ),
        DataRow(
          cells: <DataCell>[
            DataCell(Text('William')),
            DataCell(Text('27')),
            DataCell(Text('Associate Professor')),
          ],
        ),
      ],
    );
  }
}