如何在模态底板中创建CheckboxListTile？

import 'package:flutter/material.dart';

class ModalBottomSheet extends StatefulWidget {
  @override
  _ModalBottomSheetState createState() => _ModalBottomSheetState();
}

class _ModalBottomSheetState extends State<ModalBottomSheet> {
  List<bool> _checkedList = [false, false, false]; // 用于存储Checkbox的选中状态

  @override
  Widget build(BuildContext context) {
    return Container(
      child: Column(
        children: [
          CheckboxListTile(
            title: Text('选项1'),
            value: _checkedList[0],
            onChanged: (value) {
              setState(() {
                _checkedList[0] = value;
              });
            },
          ),
          CheckboxListTile(
            title: Text('选项2'),
            value: _checkedList[1],
            onChanged: (value) {
              setState(() {
                _checkedList[1] = value;
              });
            },
          ),
          CheckboxListTile(
            title: Text('选项3'),
            value: _checkedList[2],
            onChanged: (value) {
              setState(() {
                _checkedList[2] = value;
              });
            },
          ),
        ],
      ),
    );
  }
}

void _showModalBottomSheet(BuildContext context) {
  showModalBottomSheet(
    context: context,
    builder: (BuildContext context) {
      return ModalBottomSheet();
    },
  );
}

FlatButton(
  onPressed: () {
    _showModalBottomSheet(context);
  },
  child: Text('显示模态底板'),
),