如何使背景图像在Flutter中可滚动？

class BackgroundScrollPage extends StatefulWidget {
  @override
  _BackgroundScrollPageState createState() => _BackgroundScrollPageState();
}

class _BackgroundScrollPageState extends State<BackgroundScrollPage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: SingleChildScrollView(
        child: Container(
          // 设置背景图像
          decoration: BoxDecoration(
            image: DecorationImage(
              image: AssetImage('assets/background_image.jpg'),
              fit: BoxFit.cover,
            ),
          ),
          // 添加其他内容
          child: Column(
            children: [
              // 其他组件
            ],
          ),
        ),
      ),
    );
  }
}

flutter:
  assets:
    - assets/background_image.jpg

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: BackgroundScrollPage(),
    );
  }
}