Question

我在flutter中运行此命令：“ flutter pub run build_runner watch”它仅在一个项目中发生，并且一切正常

错误：

../../flutter-dart/flutter/.pub-cache/hosted/pub.dartlang.org/http_multi_server-2.1.0/lib/src/multi_headers.dart:97:8: Error: The method 'MultiHeaders.add' has fewer named arguments tha
n those of overridden method 'HttpHeaders.add'.
  void add(String name, Object value) {
       ^
org-dartlang-sdk:///sdk/lib/_http/http.dart:694:8: Context: This is the overridden method ('add').
  void add(String name, Object value,
       ^
../../flutter-dart/flutter/.pub-cache/hosted/pub.dartlang.org/http_multi_server-2.1.0/lib/src/multi_headers.dart:129:8: Error: The method 'MultiHeaders.set' has fewer named arguments th
an those of overridden method 'HttpHeaders.set'.
  void set(String name, Object value) {
       ^
org-dartlang-sdk:///sdk/lib/_http/http.dart:703:8: Context: This is the overridden method ('set').
  void set(String name, Object value,
       ^
pub finished with exit code 1

Answer 1

我想您已将flutter升级到了最新版本。您应该运行以下命令，并在pubspec.yaml的最新写入时间build_runner中检查1.8.1文件。 1}}，您可以检查最新版本here。

flutter pub upgrade

Answer 2

您应该运行flutter pub升级...它需要升级您的pub文件

Answer 3

如果不想更新所有软件包来解决此问题，请将其添加到软件包的pubspec.yaml文件中：

dependencies:
  http_multi_server: ^2.2.0

这只会升级http_multi_server。

颤振生成命令不起作用收到错误

3 个答案: