VBS中获取系统本次及上次开关机时间的代码(WinXP/win2003/Win7兼容版)

If (Lcase(Right(Wscript.FullName,11)) = "wscript.exe") Then
CreateObject("WScript.Shell").Run("%Comspec% /C " Chr(34)"mode con cols=100Cscript.exe //NoLogo "Chr(34) Wscript.ScriptFullName Chr(34)"(Echo 此窗口40秒后自动关闭...Ping -n 40 127.0.1>nulExit)"Chr(34)),3:Wscript.Quit
Wscript.Quit
End If
Set WMI = GetObject("winmgmts:{impersonationLevel=impersonate}!\\.\root\cimv2")
Set colLoggedEvents = WMI.ExecQuery("Select * from Win32_NTLogEvent Where Logfile = 'System' And EventCode = '6005' Or EventCode = '6006' Or EventCode = '6008'")
For Each objEvent In colLoggedEvents
Flag = Flag + 1
If Flag = 1 Then
Wscript.Echo "本次开机时间: " UTCtoNow(objEvent.TimeWritten)
ElseIf (Flag Mod 2) = 0 Then
G = UTCtoNow(objEvent.TimeWritten)
Else
K = UTCtoNow(objEvent.TimeWritten)
Wscript.Echo "前次开机："K" "vbTab"对应关机："G" "vbTab "运行时长：" StoHMS(DateDiff("s", K, G))
End If
Next

Function UTCtoNow(nD)
If Not IsNull(nD) Then
Set SWDT = CreateObject("WbemScripting.SWbemDateTime")
SWDT.Value = nD
UTCtoNow = SWDT.GetVarDate(True)
End If
End Function

Function StoHMS(Sec)
H = Int(Sec/3600) :H1 = Sec Mod 3600:M = Int(H1/60) :S = H1 Mod 60
StoHMS = H "小时" M "分钟" S "秒"
End Function