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Code to modify (set) system time and date using VBS

高洛峰
Release： 2017-01-16 10:18:33
Original
1860 people have browsed it

那天跟别人聊到 Y2K38 问题，于是想到一个恶作剧：用 VBS 把系统的时间修改到2038年1月19日3时14分07秒之后，这样某些依赖于 Unix 时间戳的程序就会出问题。那么怎样用 VBS 修改系统的时间呢？ 

最简单也是最没有技术含量的方法就是调用 cmd 的 date 和 time 命令： 

'Author: Demon 
'Website: http://demon.tw 
'Date : 2011/4/27 
Dim WshShell 
Set WshShell = CreateObject("wscript.Shell") 
WshShell.Run "cmd.exe /c date 2038-01-19", 0 
WshShell.Run "cmd.exe /c time 3:14:08", 0
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比较有技术含量的方法是用 WMI 的 Win32_OperatingSystem 类的 SetDateTime 方法： 

'Author: Demon 
'Website: http://demon.tw 
'Date : 2011/4/27 
dtmNewDateTime = "20380119031408.000000+480" 'UTC时间 
strComputer = "." 
Set objWMIService = GetObject("winmgmts:{(Systemtime)}\\" & strComputer & "\root\cimv2") 
Set colOSes = objWMIService.ExecQuery("Select * From Win32_OperatingSystem") 
For Each objOS In colOSes 
objOS.SetDateTime dtmNewDateTime 
Next
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Windows 7 在开启 UAC 的情况下需要管理员权限才能修改时间，一点也不好玩。 

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Related labels：
VBS 系统时间 日期
source：php.cn
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