/// 上传状态
enum UploadState {
  /// 上传成功
  success("success"),

  /// 上传中
  uploading("uploading"),

  /// 上传失败
  fail("fail");

  final String state;

  const UploadState(this.state);

  /// 通过状态字符串，获取对应的状态枚举
  static UploadState fromString(String state) {
    return values.firstWhere(
      (e) => e.state == state,
      orElse: () => throw ArgumentError('无效的状态值: $state'),
    );
  }

  @override
  String toString() => state;
}