在flutter_form_builder flutter中显示FormBuilderRadioGroup中的复杂json

dependencies:
  flutter_form_builder: ^4.0.0

import 'package:flutter/material.dart';
import 'package:flutter_form_builder/flutter_form_builder.dart';

class MyForm extends StatefulWidget {
  @override
  _MyFormState createState() => _MyFormState();
}

class _MyFormState extends State<MyForm> {
  final GlobalKey<FormBuilderState> _fbKey = GlobalKey<FormBuilderState>();
  List<Map<String, dynamic>> options = [
    {"label": "Option 1", "value": 1},
    {"label": "Option 2", "value": 2},
    {"label": "Option 3", "value": 3},
  ];

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text("Form"),
      ),
      body: FormBuilder(
        key: _fbKey,
        child: Column(
          children: [
            FormBuilderRadioGroup(
              name: "radioGroup",
              options: options
                  .map((option) => FormBuilderFieldOption(
                        value: option["value"],
                        child: Text(option["label"]),
                      ))
                  .toList(),
            ),
            RaisedButton(
              child: Text("Submit"),
              onPressed: () {
                if (_fbKey.currentState.saveAndValidate()) {
                  print(_fbKey.currentState.value);
                }
              },
            ),
          ],
        ),
      ),
    );
  }
}

import 'package:flutter/material.dart';
import 'package:your_app/my_form.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Form Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyForm(),
    );
  }
}