小编Ora*_*nge的帖子

由于CachedNetworkImage不在 flutter web 上工作，在移植时，我尝试使用它，但我的问题是我们真的需要它吗？或者我们只使用 Image。网络和浏览器和服务工作者将处理缓存部分（然后由服务器的响应头设置，例如 cache-control="max-age=43200, public"

这用于我正在从事的食品配送项目，https://www.santaiyamcha.com

下面是我用来替换 CachedNetworkImage 的类，它似乎不能很好地工作。

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

import 'package:http_extensions_cache/http_extensions_cache.dart';
import 'package:http_extensions/http_extensions.dart';

/// Builds a widget when the connectionState is none and waiting
typedef LoadingBuilder = Widget Function(BuildContext context);

/// Builds a if some error occurs
typedef ErrorBuilder = Widget Function(BuildContext context, Object error);

class MeetNetworkImage extends StatelessWidget {
  /// Image url that you want to show in your app.
  final String imageUrl;

  /// When image data loading from the …