我在将数据动态加载到PlutoGrid时遇到了问题。

• 我没有收到任何错误消息。*

我确保从API获取的JSON数据填充了一个字符串列表，该列表Map到PlutoRow对象列表。当我静态地填充一个字符串列表并将其Map到PlutoRow对象列表时，它将显示在PlutoGrid中。当我一步一步地浏览我的代码时，我注意到以下几点：

1. Widgetbuild（）函数首先执行，并且rowsProviders列表对象为空
   1.接下来执行initiState（）函数，并填充rowsProviders列表对象（已验证）
2. Widgetbuild（）函数再次执行，当我将PlutoGrid的rows属性设置为rowsProviders列表对象时，它现在有了数据。**它有它的列标题，但它没有行，也没有错误消息。
   我在下面提供了代码。我把所有东西都拆了除了这个PlutoGrid这是我正在调试的代码。

import 'dart:convert';
import 'package:http/http.dart' as http;
import "package:flutter/material.dart";
import 'package:pluto_grid/pluto_grid.dart';

const String API_URL_LLMT_PROVIDER_ROUTE = "http://127.0.0.1:5000/get_mt_providers";

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

class MyApp extends StatelessWidget 
{
    const MyApp({Key? key}) : super(key: key);

    @override
    Widget build(BuildContext context) 
    {
        return MaterialApp
        (
            title: 'LL Translate',
            theme: ThemeData(primarySwatch: Colors.blue,),
            home: const DetectorPage(title: 'LLTS MT Tools'),
            debugShowCheckedModeBanner: true,
        );
    }
}

class DetectorPage extends StatefulWidget 
{
    const DetectorPage({Key? key, required this.title}) : super(key: key);
    final String title;

    @override
    State<DetectorPage> createState() => _DetectorPageState();
}

class _DetectorPageState extends State<DetectorPage>
{
    final List<PlutoColumn> columnsProviders = [];
    List<PlutoRow> rowsProviders = [];
    List<String> providers = [];
    
    @override
    void initState()
    {
        super.initState();

        columnsProviders.addAll 
        (
            [
                PlutoColumn
                (
                    width: 400,
                    backgroundColor: Colors.blue,
                    title: 'MT Provider',
                    field: 'MT Provider Tested',                        
                    type: PlutoColumnType.text(),
                    enableRowChecked: true,
                ),
                PlutoColumn
                (
                    width: 95,
                    backgroundColor: Colors.blue,
                    title: 'WER', 
                    field: 'Leven',
                    type: PlutoColumnType.text(),
                    enableFilterMenuItem: true,
                    textAlign: PlutoColumnTextAlign.center,
                    titleTextAlign: PlutoColumnTextAlign.center,
                ),
                PlutoColumn
                (
                    width: 100,
                    backgroundColor: Colors.blue,
                    title: 'BLEU',
                    field: 'BLEU',
                    type: PlutoColumnType.text(),
                    enableFilterMenuItem: false,
                    textAlign: PlutoColumnTextAlign.center,
                    titleTextAlign: PlutoColumnTextAlign.center,
                ),
                PlutoColumn
                (
                    width: 120,
                    backgroundColor: Colors.blue,
                    title: 'Combined',
                    field: 'Combined',
                    type: PlutoColumnType.text(),
                    enableFilterMenuItem: false,
                    textAlign: PlutoColumnTextAlign.center,
                    titleTextAlign: PlutoColumnTextAlign.center,
                ),
            ]
        );

        loadMtProviders();
    }

    void loadMtProviders() async 
    {
        // List<String> providersList = providers.cast<String>().toList();
        // List<String> providers = ['Google', 'Microsoft'];
        // List<String> providers = await getMtProviders();
        // providers = ['Google', 'Microsoft'];
        providers = await getMtProviders();

        rowsProviders = providers.map((item) 
        {
            return PlutoRow
            (
                cells: 
                {
                    'MT Provider Tested': 
                        PlutoCell
                        (
                            value: item,
                            
                        ), 
                    'Leven': PlutoCell(value: ''),
                    'BLEU': PlutoCell(value: ''),
                    'Combined': PlutoCell(value: ''),
                },
            );
        }).toList();

        setState(() 
        {

        });
    }
    
    Future<List<String>> getMtProviders() async 
    {
        var url = Uri.parse(API_URL_LLMT_PROVIDER_ROUTE);
        var response = await http.get(url);

        if (response.statusCode == 200)
        {
            var value = response.body;
            var jsonResponse = jsonDecode(value);

            List<String> result = jsonResponse.cast<String>();
            
            return result;
        } 
        else 
        {
            print('Request failed with status: ${response.statusCode}.');
            return ['0'];
        }
    }

    @override
    Widget build(BuildContext context) 
    {
        return Scaffold
        (
            body: SizedBox
            (
                child: PlutoGrid
                (
                    columns: columnsProviders,
                    rows: rowsProviders,
                ),
            ) 

        );
    }
}

字符串
先谢谢你。