clearCache static method

Implementation

static clearCache() async {
  //此处展示加载loading
  try {
    Directory tempDir = await getTemporaryDirectory();
    //删除缓存目录
    await delDir(tempDir);
    // await loadCache();

    //ToastUtil.show('清除缓存成功');
  } catch (e) {
    print(e);
    //ToastUtil.show('清除缓存失败');
  } finally {
    //此处隐藏加载loading
  }
}