lib/network/network_manager.dart.txt

import 'package:dio/dio.dart';
import 'package:flutter/foundation.dart';
import 'package:wow_english/models/response_model.dart';
import 'package:wow_english/network/basic_configuration.dart.txt';
enum HttpMethod {
  get,
  put,
  post,
  head,
  patch,
  delete,
}
class DioUtil {
  static final Dio _dio = getDefDio();
  static Dio getDefDio() {
    Dio dio = Dio();
    dio.options = getDefOptions();
    return dio;
  }
  static BaseOptions getDefOptions() {
    final BaseOptions options = BaseOptions();
    options.baseUrl = BasicConfigurationManager().baseUrl ?? '';
    options.connectTimeout = const Duration(milliseconds: 1000);
    options.receiveTimeout = const Duration(milliseconds: 1000);
    return options;
  }
  Future<void> requestData<T>(
    HttpMethod method,
    String path, {
    data,
    Function? successCallBack,
    Function? errorCallBack,
    Map<String, dynamic>? queryParameters,
    ProgressCallback? onSendProgress,
    ProgressCallback? onReceiveProgress,
  }) async {
    try {
      Map<String, dynamic> headers = <String, dynamic>{};
      if (method == HttpMethod.post) {
        headers['content-type'] = 'application/json';
      }
      Response<dynamic> response;
      response = await _dio.request(path,
          data: data ?? {},
          queryParameters: queryParameters,
          options: Options(method: method.name, headers: headers),
          onSendProgress: onSendProgress,
          onReceiveProgress: onReceiveProgress);
      int statusCode = response.statusCode ?? 0;
      if (statusCode >= 200 && statusCode < 300) {
        if (kDebugMode) {
          print(response.data);
        }
        final ResponseModel model = ResponseModel.fromJson(response.data);
        if (model.code == 200) {
          successCallBack?.call(response.data);
        } else {
          errorCallBack?.call(model.msg);
        }
      } else {
        errorCallBack?.call('请求失败');
      }
    } on DioException catch (error) {
      if (kDebugMode) {
        print(error);
      }
      errorCallBack?.call("网络错误: ${error.message}");
    }
  }
}