点击一个按钮就可以让系统自己记录开关机时间，运行后不用再运行本程序，并且无需运行其他程序即可完成。程序的这个思路可以扩展到很多方面，如特定的程序在开机、关机时候运行~不能拿来做坏事哦~ 奉上源码-The click of a button you can switch the system record their own time machine, running no longer run the program, and no other programs running to complete. This line of thought process can be extended to many areas, such as the specific procedures in the startup, shutdown time can not be used to run ~ ~ offer, oh so bad source