说明：  一个包含获取系统信息(当前用户,内存信息,硬盘序列号,操作系统版本,计算机名,IP地址等)函数的pas文件,其中含有应用各函数方法的例子!
(Acquisition system that contains information (current user, memory information, hard drive serial number, operating system version, computer name, IP address, etc.) function of the pas file, which contains application examples of the function!)