getJson method

Future<Map<String, dynamic>?> getJson(String apiUrl, { Map<String, dynamic>? parameters, Map<String, dynamic>? headers, bool isShowLoading = true, })

Get

@throws NetRequestException 该方法会抛出异常，请使用try-catch捕获

Implementation

Future<Map<String, dynamic>?> getJson(
  String apiUrl, {
  Map<String, dynamic>? parameters,
  Map<String, dynamic>? headers,
  bool isShowLoading = true,
}) async {
  if (isShowLoading) {
    QsToast.loading();
  }
  Map<String, dynamic> newHeaders = headers ?? {};

  try {
    final response = await dio.get(
      apiUrl,
      queryParameters: parameters,
      options: net_request.Options(
        headers: newHeaders,
        responseType: net_request.ResponseType.json,
      ),
    );

    if (isShowLoading) {
      QsToast.dismiss();
    }

    if (response.statusCode == 200) {
      if (response.data == null) {
        return null;
      } else if (response.data is Map<dynamic, dynamic>) {
        return response.data as Map<String, dynamic>;
      } else {
        throw NetRequestException(
            code: NetRequestException.dataParseError, message: "数据解析失败");
      }
    } else {
      throw NetRequestException(
          code: response.statusCode, message: response.statusMessage ?? "");
    }
  } catch (e) {
    if (isShowLoading) {
      QsToast.dismiss();
    }
    // 如果已经是NetRequestException，直接抛出
    if (e is NetRequestException) {
      rethrow;
    }
    throw NetRequestException(
        code: NetRequestException.dioError, message: "dio异常: $e");
  }
}