Error: The method ‘DioHttpHeaders.add‘ has fewer named arguments than those of overridden method

最新推荐文章于 2023-08-07 09:39:28 发布

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最新推荐文章于 2023-08-07 09:39:28 发布

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本文讲述了在更新dart库dio到最新版本3.0.10时遇到的编译错误，并提供了解决方案。重点在于版本迁移的注意事项，包括API的变化和代码兼容性建议。

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很久没更新dio了，编译时出现以下错误

../../../dev/flutter/.pub-cache/hosted/pub.flutter-io.cn/dio-2.2.2/lib/src/dio_http_headers.dart:55:8: Error: The method 'DioHttpHeaders.add' has fewer named arguments than those of overridden method 'HttpHeaders.add'.
  void add(String name, value) {                                        
       ^                                                                
org-dartlang-sdk:///third_party/dart/sdk/lib/_http/http.dart:698:8: Context: This is the overridden method ('add').
  void add(String name, Object value,                                   
       ^                                                                
../../../dev/flutter/.pub-cache/hosted/pub.flutter-io.cn/dio-2.2.2/lib/src/dio_http_headers.dart:70:8: Error: The method 'DioHttpHeaders.set' has fewer named arguments than those of overridden method 'HttpHeaders.set'.
  void set(String name, Object value) {                                 
       ^                                                                
org-dartlang-sdk:///third_party/dart/sdk/lib/_http/http.dart:707:8: Context: This is the overridden method ('set').
  void set(String name, Object value,                                   
       ^                                                                
                                                                        
                                                                        
FAILURE: Build failed with an exception.

显示的错误是dio有问题，当前用的版本是2.1.12。
去dio的官网发现是版本问题，更新到最新的3.0重新编译即可，同时注意代码兼容性，从2.0升级到3.0很多api有了重大变化了，从2.0升级到3.0指南。