DataTable中的Flutter DropdownButton，列表中的DropdownButton选项

DataTable(
  columns: [
    DataColumn(label: Text('Name')),
    DataColumn(label: Text('Age')),
    DataColumn(label: Text('Options')),
  ],
  rows: [
    DataRow(cells: [
      DataCell(Text('John')),
      DataCell(Text('25')),
      DataCell(
        DropdownButton(
          value: 'Option 1',
          onChanged: (newValue) {},
          items: [
            DropdownMenuItem(
              value: 'Option 1',
              child: Text('Option 1'),
            ),
            DropdownMenuItem(
              value: 'Option 2',
              child: Text('Option 2'),
            ),
            DropdownMenuItem(
              value: 'Option 3',
              child: Text('Option 3'),
            ),
          ],
        ),
      ),
    ]),
    // ...more data rows
  ],
)