saveToStorage method

String saveToStorage()

将图像保存到存储并返回存储ID

返回 String 存储ID

Implementation

String saveToStorage() {
  String uuid = Uuid().v4();
  String destFile = FilePath.imagePath + uuid;
  if (!File(destFile).existsSync()) {
    File(destFile).createSync(recursive: true);
  }
  this.file.copySync(destFile);
  return uuid;
}