Dart/fultter :如何在模拟器中显示来自本地主机上的API的图像

dependencies:
  http: ^0.13.3

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

class MyImageWidget extends StatefulWidget {
  @override
  _MyImageWidgetState createState() => _MyImageWidgetState();
}

class _MyImageWidgetState extends State<MyImageWidget> {
  String imageUrl = '';

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

  Future<void> fetchImage() async {
    final response = await http.get(Uri.parse('http://localhost:8000/api/image'));
    if (response.statusCode == 200) {
      setState(() {
        imageUrl = response.body;
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Display Image from API'),
      ),
      body: Center(
        child: imageUrl.isNotEmpty
            ? Image.network(imageUrl)
            : CircularProgressIndicator(),
      ),
    );
  }
}

void main() {
  runApp(MaterialApp(
    home: MyImageWidget(),
  ));
}