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, recommen