如何显示sqflite表中的项

import 'package:flutter/material.dart';
import 'package:sqflite/sqflite.dart';
import 'package:path/path.dart';

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

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

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  List<Map<String, dynamic>> _items = [];

  @override
  void initState() {
    super.initState();
    _loadItems();
  }

  Future<void> _loadItems() async {
    // 创建数据库
    Database database = await openDatabase(
      join(await getDatabasesPath(), 'my_database.db'),
      version: 1,
    );

    // 查询数据
    List<Map<String, dynamic>> items = await database.query('my_table');

    setState(() {
      _items = items;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('SQFlite Demo'),
      ),
      body: ListView.builder(
        itemCount: _items.length,
        itemBuilder: (context, index) {
          return ListTile(
            title: Text(_items[index]['name']),
            subtitle: Text(_items[index]['description']),
          );
        },
      ),
    );
  }
}