download method

void download({ required String savePath, ProgressCallback? onReceiveProgress, Success? success, Failure? failure, Completed? completed, })

下载文件 savePath 文件保存路径

Implementation

void download({
  required String savePath,
  ProgressCallback? onReceiveProgress,
  Success? success,
  Failure? failure,
  Completed? completed,
}) async {
  if (!(await _checkNetWork())) {
    return;
  }
  String url = _path.toString();
  if (isRestfulUrl()) {
    url = NetUtils.restfulUrl(_path.toString(), _params);
  }
  try {
    _options?.method = _httpType.name;
    ///局部头优先与全局
    if (_headers.isNotEmpty) {
      _options?.headers = _headers;
    }
    if (_enableGlobalHeader) {
      _options?.headers ??= {};
      _options?.headers?.addAll(_rxNet._globalHeader);
    }
    if(_toFormData){
      _bodyData = FormData.fromMap(_params);
    }
    if(_toBodyData){
      _bodyData = _params;
    }

    final response = await _rxNet.client!.download(url, savePath,
        onReceiveProgress: (received, total) {
          if (total != -1) {
            onReceiveProgress?.call(received, total);
          }
          ///下载完成
          if(received>=total){
            success?.call(savePath, SourcesType.net);
          }
        },
        queryParameters: (isRestfulUrl() || _toFormData || _toBodyData) ? {} : _params,
        data: _bodyData,
        options: _options,
        cancelToken: _cancelToken);
    onResponse?.call(response);
    ///失败
    if (response.statusCode != 200) {
      failure?.call(response.data);
      return;
    }
  } catch (e, s) {
    _catchError<T>(success, failure, null, e, s);
  }finally{
    completed?.call();
  }
}