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Option Compare Database
Option Explicit
'***************** Code Start ******************
'This code was originally written by Terry Kreft.
'It is not to be altered or distributed,
'except as part of an application.
'You are free to use it in any application,
'provided the copyright notice is left unchanged.
'
'Code Courtesy of
'Terry Kreft
Private Const STARTF_USESHOWWINDOW& = &H1
Private Const NORMAL_PRIORITY_CLASS = &H20&
Private Const INFINITE = -1&
Private Type STARTUPINFO
cb As Long
lpReserved As String
lpDesktop As String
lpTitle As String
dwX As Long
dwY As Long
dwXSize As Long
dwYSize As Long
dwXCountChars As Long
dwYCountChars As Long
dwFillAttribute As Long
dwFlags As Long
wShowWindow As Integer
cbReserved2 As Integer
lpReserved2 As Long
hStdInput As Long
hStdOutput As Long
hStdError As Long
End Type
Private Type PROCESS_INFORMATION
hProcess As Long
hThread As Long
dwProcessID As Long
dwThreadID As Long
End Type
Private Declare Function WaitForSingleObject Lib "kernel32" (ByVal _
hHandle As Long, ByVal dwMilliseconds As Long) As Long
Private Declare Function CreateProcessA Lib "kernel32" (ByVal _
lpApplicationName As Long, ByVal lpCommandLine As String, ByVal _
lpProcessAttributes As Long, ByVal lpThreadAttributes As Long, _
ByVal bInheritHandles As Long, ByVal dwCreationFlags As Long, _
ByVal lpEnvironment As Long, ByVal lpCurrentDirectory As Long, _
lpStartupInfo As STARTUPINFO, lpProcessInformation As _
PROCESS_INFORMATION) As Long
Private Declare Function CloseHandle Lib "kernel32" (ByVal _
hObject As Long) As Long
Public Sub ShellWait(Pathname As String, Optional WindowStyle As Long)
Dim proc As PROCESS_INFORMATION
Dim start As STARTUPINFO
Dim ret As Long
' 初始化 STARTUPINFO 结构:
With start
.cb = Len(start)
If Not IsMissing(WindowStyle) Then
.dwFlags = STARTF_USESHOWWINDOW
.wShowWindow = WindowStyle
End If
End With
' 开始调用外部程序:
ret& = CreateProcessA(0&, Pathname, 0&, 0&, 1&, _
NORMAL_PRIORITY_CLASS, 0&, 0&, start, proc)
' 等待外部程序执行完毕:
ret& = WaitForSingleObject(proc.hProcess, INFINITE)
ret& = CloseHandle(proc.hProcess)
End Sub
'***************** Code End ****************
Function ReadTimeFromServer(IPnm As String) As Boolean
On Error GoTo err1
'以下的 SHELLWAIT 函数是
'《方法二：等待调用外部程序执行完毕》
'一文中所定义的自定义函数，用於等待 SHELL 执行完毕後再执行下一步。
'你还可以叁考：《如何解决shell执行外部程序的等待问题？(同步/异步)》
'ShellWait "cmd.exe /c NET TIME \\192.168.0.203 > c:\temp.txt", vbHide
ShellWait "cmd.exe /c NET TIME \\" & IPnm & " > c:\temp.txt", vbHide
'ShellWait "cmd.exe /c NET TIME \\192.168.0.203 /SET"
'注意，如果是要同步的话请调用：ShellWait "cmd.exe /c NET TIME \\SERVER_COMPUTERNAME /SET"
Dim fs
Dim A
Set fs = CreateObject("Scripting.FileSystemObject")
Set A = fs.OpenTextFile("c:\temp.txt", 1)
Dim C
C = A.readline
A.Close
Debug.Print C
'得到结果为：\\comet-2003 的当前时间是 2005/4/20 上午 09:49
'然後对 C 做一些判断即可获得指定服务器的当前时间了
Debug.Print CDate(Mid(C, InStr(1, C, "当前时间是") + 5))
'MsgBox CDate(Mid(c, InStr(1, c, "当前时间是") + 5))
'MsgBox DateValue(CDate(Mid(c, InStr(1, c, "当前时间是") + 5)))
netime = CDate(Mid(C, InStr(1, C, "当前时间是") + 5))
'netdate = DateValue(CDate(Mid(c, InStr(1, c, "当前时间是") + 5)))
netdate = DateValue(netime)
Exit Function
err1:
'MsgBox Now()
'MsgBox Date
netime = Now
netdate = Date
End Function |
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