颤振构建命令不起作用，出现错误

Question

我在flutter中运行这个命令：“flutter pub run build_runner watch”它只发生在一个项目中，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

我猜您已经将 flutter 升级到最新版本。您应该运行以下命令并检查pubspec.yaml文件是否build_runner为最新版本，在撰写本文时1.8.1，您可以在此处检查最新版本。

flutter pub upgrade