上下左右滑动

class EditDict extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    // TODO: implement build
    return SafeArea(child: Scaffold(
      appBar: AppBar(title: Text(‘Edit Dict:‘),),
      body: Container(
        width: double.infinity,
        height: double.infinity,
        child: SingleChildScrollView(
          scrollDirection: Axis.horizontal,
          child: SingleChildScrollView(
            scrollDirection: Axis.vertical,
            child: DataTableDemo(),
          ),
        ),
      ),
    ),);
  }
}