writeJsonFileDir static method

Future<File?> writeJsonFileDir(
  1. Object? obj,
  2. String fileName
)

写入json文件，默认写到应用程序的目录

Implementation

static Future<File?> writeJsonFileDir(Object? obj, String fileName) async {
  if (obj == null) {
    return null;
  }
  try {
    final file = await getAppFile(fileName);
    return await file?.writeAsString(json.encode(obj));
  } catch (err) {
    LogUtils.e(err, tag: TAG);
    return null;
  }
}