main.py 文件源码

def download_avatar(fname):
    if platform.system() == "Windows":
        path = UPLOAD_AVATAR_FOLDER + "/" + fname   # windows??????????????????????
    else:
        path = os.path.join(UPLOAD_AVATAR_FOLDER, fname)  # ?????
    if os.path.isfile(path):
        return send_from_directory(UPLOAD_AVATAR_FOLDER, fname, as_attachment=True)
    abort(404)