定时关机的小程序，使用cmd的命令行接口，做的有点像HTC手机界面=.=自己用Delphi7写的小东西，判断时间的合法性上有点bug，供学习用-a little prog used to auto shutdown at a specific time, using Windows self cmd. written in Delphi7. some bugs were found in the judgement of the time user input