DioError [DioErrorType.response]：Http状态错误[429]

Question

我还在学习使用NewsAPI.org创建一个新闻应用程序，它正在工作，立刻给了我这个错误：

DioError [DioErrorType.response]: Http status error [429]
I/flutter (11270): #0      DioMixin.assureDioError (package:dio/src/dio_mixin.dart:819:20)
I/flutter (11270): #1      DioMixin._dispatchRequest (package:dio/src/dio_mixin.dart:678:13)
I/flutter (11270): <asynchronous suspension>
I/flutter (11270): #2      DioMixin.fetch.<anonymous closure>.<anonymous closure> (package:dio/src/dio_mixin.dart)
I/flutter (11270): <asynchronous suspension>
I/flutter (11270): NoSuchMethodError: The getter 'data' was called on null.
I/flutter (11270): Receiver: null
I/flutter (11270): Tried calling: data

Answer 1

HTTP 429表示，您发送的请求太多。你可以通过减少请求来修复它，或者你可以在请求之间增加一些延迟。为此，您可以使用Future delayed或Timer函数。