helpers.py 文件源码

def deliver_file(file, request):
    upload_folder = myapp.config['UPLOAD_FOLDER']
    path = os.path.join(upload_folder, file.unique_id)
    file.dl_count += 1
    db.session.commit()
    filename = file.name
    return send_from_directory(path, filename, as_attachment=(request.referrer is not None))