How does file limitation / file access work in the plugin?

WP File download is using WordPress native User roles. You have 2 options to define file display on public side and file management on admin side. Limit access to file on public side: on each category you can define in one click with user role will be able to see the files. For example select subscribers to limit the files to be viewed to subscribers only (registered users on your WordPress website) To limit access to files management, you have dedicated interface to define actions per user roles. For example witch users will be able to edit it's own files, edit all files, add files, delete files...

文件限制/文件访问在插件中如何工作？

WP File download使用 WordPress 本机用户角色。您有 2 个选项来定义公共端的文件显示和管理端的文件管理。

限制对公共端文件的访问：在每个类别上，您可以一键定义，用户角色将能够查看文件。例如，选择订阅者以将要查看的文件限制为仅限订阅者（您的 WordPress 网站上的注册用户）
为了限制对文件管理的访问，您具有专用的界面来定义每个用户角色的操作。例如，女巫用户将能够编辑它自己的文件，编辑所有文件，添加文件，删除文件...