gio：检查是否已安装音量。 我正在做类似的事情： mo = gio.MountOperation() mo.connect(\\\'ask-password\\\', ask_password_cb) location = gio.File(\\\"ssh://leon@concepts.tim-online.nl/home/leon/test.txt\\\") location.mount_enclosing_volume(mo, callbackz) loop = gobj