cachePutFile static method

Future<File?> cachePutFile({ required String url, required File file, String? cacheTag, })

手动缓存文件

Implementation

static Future<File?> cachePutFile(
    {required String url, required File file, String? cacheTag}) async {
  var img = url;
  if (kWebImagePrefix != null && !img.startsWith("http")) {
    img = getJoin(kWebImagePrefix!, img);
  }
  final String key = keyToTagMd5(img, null, cacheTag) ?? img.md5;
  final Directory cacheImagesDirectory = Directory(
      getJoin((await getAppTemporaryDirectory()).path, cacheImageFolderName));
  if (cacheImagesDirectory.existsSync()) {
    return file.copy(getJoin(cacheImagesDirectory.path, key));
  }
  return null;
}