flutter - Flutter/我想重写 http.post 方法来改造 + dio，但我得到 DioErrorType.other

//this is model class @freezed abstract class TextEntity with _$TextEntity { const factory TextEntity({ required String name, required String type, }) = _TextEntity; factory TextEntity.fromJson(Map<String, dynamic> json) => _$TextEntityFromJson(json); } //this is http class CloudNaturalLanguageAPI { final _client = http.Client(); Future<List<TextEntity>> getTextEntities(String body) async { try { final url = Uri.parse( 'https://language.googleapis.com/v1beta2/documents:analyzeEntities?key=$key', ); final response = await _client.post(url, body: body); final responseJson = jsonDecode(utf8.decode(response.bodyBytes)) as Map; final List<TextEntity> entities = []; for (final Map e in responseJson['entities']) { final entitiy = TextEntity(name: e['name'].toString(), type: e['type'].toString()); entities.add(entitiy); } return entities; } finally { _client.close(); } } } //this is retrofit + dio @RestApi(baseUrl: 'https://language.googleapis.com/v1beta2') abstract class TextEntityDataSource { factory TextEntityDataSource() => _TextEntityDataSource(Dio()); @POST('/documents:analyzeEntities?key=$key') Future<List<TextEntity>> getTextEntities(@Body() String body); } //this is body final String body = json.encode( { 'document': { 'type': 'PLAIN_TEXT', 'content': 'this is test text.', }, 'encodingType': 'NONE' }, );

Restarted application in 168ms. Error: DioError [DioErrorType.other]: Expected a value of type 'List<dynamic>', but got one of type '_JsonMap' dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/errors.dart 251:49 throw_ dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/errors.dart 84:3 castError dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/operations.dart 452:10 cast dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/classes.dart 635:14 as_C packages/dio/src/dio_mixin.dart 847:31 assureResponse packages/dio/src/dio_mixin.dart 615:14 <fn> dart-sdk/lib/async/zone.dart 1687:54 runUnary dart-sdk/lib/async/future_impl.dart 160:18 handleValue dart-sdk/lib/async/future_impl.dart 767:44 handleValueCallback dart-sdk/lib/async/future_impl.dart 796:13 _propagateToListeners dart-sdk/lib/async/future_impl.dart 593:7 [_complete] dart-sdk/lib/async/future_impl.dart 57:12 complete dart-sdk/lib/async/future.dart 540:44 onValue dart-sdk/lib/async/zone.dart 1687:54 runUnary dart-sdk/lib/async/future_impl.dart 160:18 handleValue dart-sdk/lib/async/future_impl.dart 767:44 handleValueCallback dart-sdk/lib/async/future_impl.dart 796:13 _propagateToListeners dart-sdk/lib/async/future_impl.dart 602:5 [_completeWithValue] dart-sdk/lib/async/future_impl.dart 640:7 callback dart-sdk/lib/async/schedule_microtask.dart 40:11 _microtaskLoop dart-sdk/lib/async/schedule_microtask.dart 49:5 _startMicrotaskLoop dart-sdk/lib/_internal/js_dev_runtime/patch/async_patch.dart 166:15 <fn> Source stack: dart-sdk/lib/_internal/js_dev_runtime/patch/core_patch.dart 906:28 get current packages/dio/src/dio_mixin.dart 473:35 fetch dart-sdk/lib/_internal/js_dev_runtime/patch/async_patch.dart 84:54 runBody dart-sdk/lib/_internal/js_dev_runtime/patch/async_patch.dart 123:5 _async packages/dio/src/dio_mixin.dart 472:31 fetch packages/ichibun_write/data/remote_data_sources/text_entity_data_source.g.dart 26:32 getTextEntities dart-sdk/lib/_internal/js_dev_runtime/patch/async_patch.dart 84:54 runBody dart-sdk/lib/_internal/js_dev_runtime/patch/async_patch.dart 123:5 _async packages/ichibun_write/data/remote_data_sources/text_entity_data_source.g.dart 21:43 getTextEntities packages/ichibun_write/data/repositories/text_entity_repository.dart 33:10 get packages/ichibun_write/controllers/text_entity_list_controller.dart 16:35 get dart-sdk/lib/_internal/js_dev_runtime/patch/async_patch.dart 84:54 runBody dart-sdk/lib/_internal/js_dev_runtime/patch/async_patch.dart 123:5 _async packages/ichibun_write/controllers/text_entity_list_controller.dart 13:13 get packages/ichibun_write/ui/widgets/cnl_test_widget.dart 17:55 <fn> packages/flutter/src/material/ink_well.dart 989:21 [_handleTap] packages/flutter/src/gestures/recognizer.dart 198:24 invokeCallback packages/flutter/src/gestures/tap.dart 608:48 handleTapUp packages/flutter/src/gestures/tap.dart 296:5 [_checkUp] packages/flutter/src/gestures/tap.dart 230:7 handlePrimaryPointer packages/flutter/src/gestures/recognizer.dart 563:9 handleEvent packages/flutter/src/gestures/pointer_router.dart 94:12 [_dispatch] packages/flutter/src/gestures/pointer_router.dart 139:9 <fn> dart-sdk/lib/_internal/js_dev_runtime/private/linked_hash_map.dart 21:13 forEach packages/flutter/src/gestures/pointer_router.dart 137:17 [_dispatchEventToRoutes] packages/flutter/src/gestures/pointer_router.dart 123:7 route packages/flutter/src/gestures/binding.dart 439:19 handleEvent packages/flutter/src/gestures/binding.dart 419:14 dispatchEvent packages/flutter/src/rendering/binding.dart 322:11 dispatchEvent packages/flutter/src/gestures/binding.dart 374:7 [_handlePointerEventImmediately] packages/flutter/src/gestures/binding.dart 338:5 handlePointerEvent packages/flutter/src/gestures/binding.dart 296:7 [_flushPointerEventQueue] packages/flutter/src/gestures/binding.dart 279:32 [_handlePointerDataPacket] lib/_engine/engine/platform_dispatcher.dart 1020:13 invoke1 lib/_engine/engine/platform_dispatcher.dart 184:5 invokeOnPointerDataPacket lib/_engine/engine/pointer_binding.dart 130:39 [_onPointerData] lib/_engine/engine/pointer_binding.dart 558:18 <fn> lib/_engine/engine/pointer_binding.dart 511:21 <fn> lib/_engine/engine/pointer_binding.dart 217:16 loggedHandler at Object.throw_ [as throw] (http://localhost:65180/dart_sdk.js:5063:11) at http://localhost:65180/packages/dio/src/interceptors/log.dart.lib.js:1004:21 at _RootZone.runBinary (http://localhost:65180/dart_sdk.js:40066:59) at _FutureListener.catchError.handleError (http://localhost:65180/dart_sdk.js:34994:33) at handleError (http://localhost:65180/dart_sdk.js:35567:51) at Function._propagateToListeners (http://localhost:65180/dart_sdk.js:35593:17) at _Future.new.[_complete] (http://localhost:65180/dart_sdk.js:35429:25) at _SyncCompleter.new.complete (http://localhost:65180/dart_sdk.js:34896:31) at onValue (http://localhost:65180/dart_sdk.js:34658:49) at _RootZone.runUnary (http://localhost:65180/dart_sdk.js:40062:59) at _FutureListener.then.handleValue (http://localhost:65180/dart_sdk.js:34983:29) at handleValueCallback (http://localhost:65180/dart_sdk.js:35551:49) at Function._propagateToListeners (http://localhost:65180/dart_sdk.js:35589:17) at _Future.new.[_completeWithValue] (http://localhost:65180/dart_sdk.js:35437:23) at async._AsyncCallbackEntry.new.callback (http://localhost:65180/dart_sdk.js:35458:35) at Object._microtaskLoop (http://localhost:65180/dart_sdk.js:40330:13) at _startMicrotaskLoop (http://localhost:65180/dart_sdk.js:40336:13) at http://localhost:65180/dart_sdk.js:35811:9

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Flutter/我想重写 http.post 方法来改造 + dio，但我得到 DioErrorType.other

问题描述

0 个解决方案