DioForNative set transformer invalid

[pangli]

Package

dio

Version

5.7.0

Operating-System

Android

Adapter

Default Dio

Output of flutter doctor -v

PS C:\Users\hlzf\Desktop> flutter doctor -v
[✓] Flutter (Channel stable, 3.27.1, on Microsoft Windows [版本 10.0.26100.2605], locale zh-CN)
    • Flutter version 3.27.1 on channel stable at E:\FlutterSdk
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision 17025dd882 (3 weeks ago), 2024-12-17 03:23:09 +0900
    • Engine revision cb4b5fff73
    • Dart version 3.6.0
    • DevTools version 2.40.2

[✓] Windows Version (Installed version of Windows is version 10 or higher)

[✓] Android toolchain - develop for Android devices (Android SDK version 35.0.0)
    • Android SDK at E:\AndroidSdk
    • Platform android-35, build-tools 35.0.0
    • Java binary at: E:\AndroidStudio\jbr\bin\java
    • Java version OpenJDK Runtime Environment (build 21.0.3+-12282718-b509.11)
    • All Android licenses accepted.

[✓] Chrome - develop for the web
    • Chrome at C:\Program Files\Google\Chrome\Application\chrome.exe

[✗] Visual Studio - develop Windows apps
    ✗ Visual Studio not installed; this is necessary to develop Windows apps.
      Download at https://visualstudio.microsoft.com/downloads/.
      Please install the "Desktop development with C++" workload, including all of its default components

[✓] Android Studio (version 2024.2)
    • Android Studio at E:\AndroidStudio
    • Flutter plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/6351-dart
    • Java version OpenJDK Runtime Environment (build 21.0.3+-12282718-b509.11)

[✓] IntelliJ IDEA Ultimate Edition (version 2023.2)
    • IntelliJ at C:\Program Files\idea\IntelliJ IDEA 2023.2.5
    • Flutter plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/6351-dart

[✓] Connected device (4 available)
    • PJY110 (mobile)   • AMYTVGBYUCFUPROV • android-arm64  • Android 14 (API 34)
    • Windows (desktop) • windows          • windows-x64    • Microsoft Windows [版本 10.0.26100.2605]
    • Chrome (web)      • chrome           • web-javascript • Google Chrome 130.0.6723.92
    • Edge (web)        • edge             • web-javascript • Microsoft Edge 131.0.2903.112

[✓] Network resources
    • All expected network resources are available.

Dart Version

3.6.0

Steps to Reproduce

import 'dart:convert';

import 'package:dio/io.dart';
import 'package:flutter/foundation.dart';
import 'package:dio/dio.dart';

export 'package:dio/dio.dart';

/// 
Map<String, dynamic> _parseAndDecode(String response) {
  return jsonDecode(response) as Map<String, dynamic>;
}

Future<Map<String, dynamic>> parseJson(String text) {
  return compute(_parseAndDecode, text);
}

abstract class BaseHttp extends DioForNative {
  /// 无效
  @override
  Transformer get transformer => DefaultTransformer()..jsonDecodeCallback = parseJson;
  BaseHttp() {
    /// 无效
    // transformer = DefaultTransformer()..jsonDecodeCallback = parseJson;
    interceptors.add(ConfigInterceptor());
    init();
  }

  void init();
}

/// 添加常用Config
class ConfigInterceptor extends InterceptorsWrapper {
  @override
  void onRequest(RequestOptions options, RequestInterceptorHandler handler) {
    options
      ..connectTimeout = const Duration(seconds: 60)
      ..sendTimeout = const Duration(seconds: 60)
      ..receiveTimeout = const Duration(seconds: 60);
    super.onRequest(options, handler);
  }
}

/// 子类需要重写
abstract class BaseResponseData {
  int code = 0;
  String message = '';
  dynamic data;

  bool get success;

  Headers? headers;

  // BaseResponseData({required this.code, required this.message, this.result});

  @override
  String toString() {
    return 'BaseRespData{code: $code, message: $message, data: $data}';
  }
}

/// 接口的code没有返回为true的异常
class NotSuccessException implements Exception {
  String message = '';

  NotSuccessException.fromRespData(BaseResponseData respData) {
    message = respData.message;
  }

  @override
  String toString() {
    return 'NotExpectedException{respData: $message}';
  }
}

/// 用于未登录等权限不够,需要跳转授权页面
class UnAuthorizedException implements Exception {
  const UnAuthorizedException();

  @override
  String toString() => 'UnAuthorizedException';
}

import 'dart:convert';

import 'package:pretty_dio_logger/pretty_dio_logger.dart';
import '../../base/net/base_net.dart';
import '../../base/util/platform_utils.dart';

const isDebug = true;
final KpHttp kpHttp = KpHttp();

class KpHttp extends BaseHttp {
  @override
  void init() {
    options.baseUrl = 'https://refs/heads/main/';
    interceptors
      ..add(HeaderInterceptor())
      ..add(ApiInterceptor())
      ..add(PrettyDioLogger(
          requestHeader: isDebug,
          requestBody: isDebug,
          responseHeader: isDebug));
  }
}

class HeaderInterceptor extends InterceptorsWrapper {
  @override
  Future<void> onRequest(
      RequestOptions options, RequestInterceptorHandler handler) async {
    var versionCode = await PlatformUtils.getBuildNum();
    options
      ..headers['User-Identity'] = "SYS/Android;$versionCode"
      ..headers['platform'] = Platform.operatingSystem;
    super.onRequest(options, handler);
  }
}

class ApiInterceptor extends InterceptorsWrapper {
  @override
  void onResponse(Response response, ResponseInterceptorHandler handler) {
    ResponseData respData =
        //有效
        // ResponseData.fromJson(response.headers, jsonDecode(response.data));
        ResponseData.fromJson(response.headers, response.data);
    if (respData.success) {
      response.data = respData.data;
      return handler.next(response);
    } else {
      if (respData.code == 1001 || respData.code == 1000) {
        throw const UnAuthorizedException(); // 需要登录
      } else {
        throw NotSuccessException.fromRespData(respData);
      }
    }
  }
}

class ResponseData extends BaseResponseData {
  @override
  bool get success => 0 == code;

  ResponseData.fromJson(
    Headers? headers,
    Map<String, dynamic> json,
  ) {
    this.headers = headers;
    code = json['code'];
    message = json['message'];
    data = json['data'];
  }
}

var response = await kpHttp.get('order_detail_data.json');
HomeTopBean homeTopEntity = HomeTopBean.fromJson(response.data.map);
debugPrint('测试数据——>$homeTopEntity');

Expected Result

╔╣ Response ║ GET ║ Status: 200 OK ║ Time: 1551 ms
║ https://order_detail_data.json
╚══════════════════════════════════════════════════════════════════════════════════════════╝
╔ Headers
╟ x-timer: [S1736158214.001342,VS0,VE269]
╟ x-fastly-request-id: [ceb7ec13777e655cf609730d34e9d722c9c0f587]
╟ date: [Mon, 06 Jan 2025 10:10:14 GMT]
╟ content-encoding: [gzip]
╟ vary: [Authorization,Accept-Encoding,Origin]
╟ x-served-by: [cache-mrs10550-MRS]
╟ cross-origin-resource-policy: [cross-origin]
╟ x-github-request-id: [1D6F:4E53C:ABE2F83:B313DA6:677BAC05]
╟ accept-ranges: [bytes]
╟ content-length: [397]
╟ etag: [W/"191b764e329eaa702a54fac2d48e608b0598b60e7e21c85c6185cb57ef1e93b1"]
╟ x-frame-options: [deny]
╟ source-age: [0]
╟ content-security-policy: [default-src 'none'; style-src 'unsafe-inline'; sandbox]
╟ x-cache-hits: [0]
╟ connection: [keep-alive]
╟ cache-control: [max-age=300]
╟ access-control-allow-origin: [*]
╟ strict-transport-security: [max-age=31536000]
╟ content-type: [text/plain; charset=utf-8]
╟ x-xss-protection: [1; mode=block]
╟ via: [1.1 varnish]
╟ x-content-type-options: [nosniff]
╟ x-cache: [MISS]
╟ expires: [Mon, 06 Jan 2025 10:15:14 GMT]
╚══════════════════════════════════════════════════════════════════════════════════════════╝
╔ Body
║
║ {
║ "order_id": "14454645664",
║ "serial_id": "345623234353464",
║ "create_time": "2021.03.11 12:00:00",
║ "payment_time": "2021.03.11 12:01:00",
║ "delivery_time": "2021.03.11 12:02:00",
║ "state": 4,
║ "currency": "$",
║ "total": 157840.25,
║ "tips": 20,
║ "product": 157820.25,
║ "products": [
║ {
║ "product_id": "id_0001_0001",
║ "product_name": "PUBG Mobile id_0001_0001",
║ "product_price": 199.99,
║ "product_currency_symbol": "$",
║ "count": 1,
║ "product_img": "https://ib293feae9ac429383c8088f7da503c6.
║ jpg"
║ },
║ {
║ "product_id": "id_0001_0002",
║ "product_name": "PUBG Mobile",
║ "count": 5,
║ "product_price": 299.99,
║ "product_currency_symbol": "$",
║ "product_img": "https://ib293feae9ac429383c8088f7da503c6.
║ jpg"
║ },
║ {
║ "product_id": "id_0001_0003",
║ "product_name": "PUBG Mobile id_0001_0003",
║ "count": 26,
║ "product_price": 399.99,
║ "product_currency_symbol": "$",
║ "product_img": "https://i9b293feae9ac429383c8088f7da503c6.
║ jpg"
║ },
║ {
║ "product_id": "id_0001_0004",
║ "product_name": "PUBG Mobile id_0001_0004",
║ "count": 13,
║ "product_price": 499.99,
║ "product_currency_symbol": "$",
║ "product_img": "https://i9b293feae9ac429383c8088f7da503c6.
║ jpg"
║ }
║ ]
║ }
║
╚══════════════════════════════════════════════════════════════════════════════════════════╝

Actual Result

[AlexV525]

Both "override transformer" and "transformer = ..." work.