Can users upload files from frontend?

There's no dedicated form but you can use roles for that. You can create a user group (user role) that is only allowed to upload files.

用户可以从前端上传文件吗？

虽然没有专门的表单，但您可以使用角色来实现此功能。您可以创建一个仅允许上传文件的用户组（用户角色）。.