是防止数据库被下载最基本，最行之有效的方法，既适用于对服务器有管辖权的网管，又适用于虚拟主机的用户，推荐每一个制作者同时必用这三种方法-Is to prevent the database being downloaded the most basic and effective way to not only apply to the jurisdiction of the network server and apply to the virtual host users, recommended producers at the same time each of these three methods will be used