IOClient在Dart http包中放在哪里？ [英] Where did IOClient go in the Dart http package?

问题描述

我正在处理Flutter项目中的http请求。我已经看到几个有关 IOClient 的答案。例如，此处和此处和此处。但是，以下导入无效（尽管它们显然曾经使用过）：

I'm working on making http requests from a Flutter project. I have seen several answers refer to IOClient. For example, here and here and here. However, the following imports do not work (though they apparently used to):

import 'package:http/http.dart';
import 'package:http/http.dart' show IOClient;

相反，第二个给出错误消息：

Instead, the second one gives the error message:

库 package：http / http.dart不会导出名称为 IOClient的成员。

The library 'package:http/http.dart' doesn't export a member with the shown name 'IOClient'.

如何导入IOClient？

How do I import IOClient?

推荐答案

IOClient 仍在 http 包，但它不再位于 http 库。它已作为 io_client 。您可以这样导入它：

IOClient is still in the http package but it is no longer in the http library. It has been extracted into its own library as io_client. You can import it like this:

import 'package:http/io_client.dart';

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