win8以上操作系统和win7、XP系统有许多不同，编程时有时一定要区分开，针对不同操作系统要有相应的方案。这个小程序能在启动你的程序时先识别了电脑操作系统，以便于你处理不同的情况。(More than win8 operating systems and win7, XP systems have many differences, programming sometimes must be separated, for different operating systems should have the appropriate program. This small program recognizes the computer operating system first when you start your program so that you can handle different situations.)