但如果检
测A=""或A=0，也都可以得到True值
'******************************************************************************
'install.vbs
'Author:PeterCostantini,theMicrosoftScriptingGuys
'Date:9/1/04
'Mustbedeployedtoaclientandlaunchedremotelybyscenario1.vbs.
'Assumesthatrunonce.vbsisinsamedirectoryasscript.
'AssumesthatWindowsXPServicePack2setupprogramisonaremoteserver
'andrunonce.vbsareinsamedirectoryasscript.
'1.RunsServicePack2setupprogramfromremoteservertoinstall
'WindowsXPServicePack2.Thiscouldtakeoneortwohours.
'2.ConfigurestheAutoAdminandRunOnceregistrysettingsnecessary
'torunrunonce.vbs.
'3.Logsresultstotextfile,<computername>-sp2-instlog.txtandcopies
'thefilebacktoadminworkstation.
'4.ForcesarebootofthelocalmachinesothattheAutoAdminandRunOnce
'registrysettingstakeeffect.
'******************************************************************************
OnErrorResumeNext
'Initializeglobalconstantsandvariables.
ConstFOR_APPENDING=8
g_strLocalFolder="c:\temp-ac"
'Changenameofcomputertoactualadministrativeworkstationorlocal
'pathtowhichlogshouldbecopied.
g_strRemoteFolder="\\<adminwkstn>\c$\temp-ac"
'Getcomputername.
g_strComputer=GetComputerName
g_strLogFile=g_strComputer&"-sp2-instlog.txt"
'Createlogfile.
SetobjFSO=CreateObject("Scripting.FileSystemObject")
SetobjTextStream=objFSO.OpenTextFile(g_strLogFile,FOR_APPENDING,True)
objTextStream.WriteLine"WindowsXPServicePack2"&_
"InstallationandConfigurationLog:Phase1"
objTextStream.WriteLineNow
objTextStream.WriteLineg_strComputer
objTextStream.WriteLineString(Len(g_strComputer),"-")
'Handlelogicofcallingfunctionsandsub-routinestoinstallServicePack2
'andconfigureAutoAdministration.
blnInstallSP=InstallSP
IfblnInstallSP=FalseThen
CopyLog
WScript.Quit
EndIf
blnAutoAdmin=ConfigAutoAdmin
IfblnAutoAdmin=FalseThen
CopyLog
WScript.Quit
EndIf
Reboot
'******************************************************************************
FunctionGetComputerName
SetobjWMIService=GetObject("winmgmts:{impersonationLevel=impersonate}!\\."_
&"\root\cimv2")
SetcolSystems=objWMIService.ExecQuery("SELECT*FROMWin32_ComputerSystem")
ForEachobjSytemIncolSystems
GetComputerName=objSytem.Name
Next
EndFunction
'******************************************************************************
FunctionInstallSP
'EditthislinetoincludetheserverandsharenamewheretheWindowsXP
'ServicePack2setupprogramislocated.
strInstallPath="\\servername\xpsp2\WindowsXP-KB835935-SP2-ENU.exe"&_
"/quiet/norestart/o"
SetWshShell=CreateObject("Wscript.Shell")
SetobjExec=WshShell.Exec(strInstallPath)
'Thiscouldtakeoneortwohours.
objTextStream.WriteLine"Installationstarted..."
IfErr=0Then
'LoopuntilExecisfinished-Status=1.
DoWhileobjExec.Status=0
'Pausefor10secondsbeforechecking.
'Toreducenetworktraffic,makeintervallonger.
WScript.Sleep10000
Loop
objTextStream.WriteLine"ServicePack2installationcompleted."
InstallSP=True
Else
objTextStream.WriteLine"UnabletoinstallServicePack2."&VbCrLf&_
"ErrorconnectingtoServicePack2onserver."&VbCrLf&_
"Errornumber:"&Err.Number&VbCrLf&_
"Errorsource:"&Err.Source&VbCrLf&_
"Errordescription:"&Err.Description
InstallSP=False
EndIf
Err.Clear
EndFunction
'******************************************************************************
FunctionConfigAutoAdmin
ConstHKEY_LOCAL_MACHINE=&H80000002
strKeyPath1="SOFTWARE\Microsoft\WindowsNT\CurrentVersion\Winlogon"
strKeyPath2="SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce"
strDefaultUserName="Administrator"
strDefaultPassword="P@ssw0rd"
strDefaultDomainName="Contoso"
intAutoAdminLogon=1
strRunOnceEntry="MyScript"
strRunoncePath=g_strLocalFolder&"\runonce.vbs"
SetobjReg=GetObject("winmgmts:{impersonationLevel=impersonate}!\"&_
g_strComputer&"\root\default:StdRegProv")
'SetstrDefaultUserNametouserwithAdministratorcredentials.
intRet1=objReg.SetStringValue(HKEY_LOCAL_MACHINE,strKeyPath1,_
"DefaultUserName",strDefaultUserName)
IfintRet1<>0Then
objTextStream.WriteLine"Error:DefaultUserNamenotconfigured."
EndIf
'SetstrDefaultPasswordtopasswordofdefaultusername.
intRet2=objReg.SetStringValue(HKEY_LOCAL_MACHINE,strKeyPath1,_
"DefaultPassword",strDefaultPassword)
IfintRet2<>0Then
objTextStream.WriteLine"Error:DefaultPasswordnotconfigured."
EndIf
'Uncommentnext5linesandeditlastparameterifdefaultdomain
'forthecredentialsisdifferentfromthatalreadyset.
'intRet3=objReg.SetStringValue(HKEY_LOCAL_MACHINE,strKeyPath1,_
'"DefaultDomainName",strDefaultDomainName)
'IfintRet3<>0Then
'objTextStream.WriteLine"Error:DefaultDomainNamenotconfigured."
'EndIf
'TurnonAutoAdminLogon
intRet4=objReg.SetStringValue(HKEY_LOCAL_MACHINE,strKeyPath1,_
"AutoAdminLogon","1")
IfintRet4<>0Then
objTextStream.WriteLine"Error:AutoAdminLogonnotconfigured."
EndIf
'AddMyScriptentrytoRunOncesubkey.
intRet5=objReg.SetStringValue(HKEY_LOCAL_MACHINE,strKeyPath2,_
strRunOnceEntry,strRunoncePath)
IfintRet5<>0Then
objTextStream.WriteLine"Error:MyScriptRunOnceentrynotconfigured."
EndIf
'Checkthatallregistrywriteoperationssucceeded.
If(intRet1+intRet2+intRet3+intRet4+intRet5)=0Then
objTextStream.WriteLine"AutoAdminLogonandRunOnceconfigured."
ConfigAutoAdmin=True
Else
objTextStream.WriteLine"Error:AutoAdminLogonandRunOncenotfully"&_
"configured."
ConfigAutoAdmin=False
EndIf
EndFunction
'******************************************************************************
SubReboot
ConstFORCED_REBOOT=6
SetobjWMIService=GetObject("winmgmts:{impersonationLevel=impersonate,"&_
"(Shutdown)}!\"&g_strComputer&"\root\cimv2")
SetcolOSes=objWMIService.ExecQuery("SELECT*FROMWin32_OperatingSystem")
objTextStream.WriteLine"Attemptingtoreboot..."
CopyLog
ForEachobjOSIncolOSes'OnlyoneobjOSincollection
intReturn=objOS.Win32Shutdown(FORCED_REBOOT)
IfintReturn<>0Then
SetobjTextStream=objFSO.OpenTextFile(g_strLogFile,FOR_APPENDING,True)
objTextStream.WriteLineNow
objTextStream.WriteLine"Error:Unabletoreboot."&VbCrLf&_
"Returncode:"&intReturn
CopyLog
EndIf
Next
EndSub
'******************************************************************************
SubCopyLog
'Closetextfile.
objTextStream.WriteLine"Closinglogandattemptingtocopyfileto"&_
"administrativeworkstation."
objTextStream.WriteLine
objTextStream.WriteLineString(80,"-")
objTextStream.WriteLine
objTextStream.Close
'Copylog.
IfNotobjFSO.FolderExists(g_strRemoteFolder)Then
objFSO.CreateFolder(g_strRemoteFolder)
IfErr<>0Then
Err.Clear
ExitSub
EndIf
EndIf
objFSO.CopyFileg_strLogFile,g_strRemoteFolder&""
EndSub
用VisualBasic我们可设计出形形色色符合用户要求的应用程序，它确实是一种很好的用户程序开发工具，可VB提供的基本控件中都没有闪烁属性设置，使应用程序界面缺乏“活性”，近期笔者设计软件封面时，就要求字体不断地闪烁，为此，经反复分析、实践，最后终于成功地实现字体闪烁效果，现将设计过程说明如下：
(1)创建一个新目标文件(project1)，并建立一个窗体Form1
/u [Domain\]User
----7)ComEvEOF:其值为7，接收数据中出现文件结束（ASCII码为26）字符
"
If i>0 Then
ie.Document.getElementById("middle").innerHTML="请打开 """ & result & """ 查看详细搜索结果给数据库输入记录：按照homepage.txt文档中的网站顺序写好各网站主页的详细网址，结束后存盘退出
'==============================================================================
'
'The.NETPetShopBlueprintApplicationWebSiteSetup
'
'File:CreateWeb.vbs
'Date:November10,2001
'
'Createsanewvdirforthisproject.SetvNametonameoffolderondisk
'thatholdsthefiles.
'
'==============================================================================
'
'Copyright(C)2001MicrosoftCorporation
'
'==============================================================================
OptionExplicit
dimvPath
dimscriptPath
dimvName
vName="PetShop"'nameofwebtocreate
'*****************************************************************************
'
'1.CreatetheIISVirtualDirectory
'
'*****************************************************************************
'getcurrentpathtofolderandaddwebnametoit
scriptPath=left(Wscript.ScriptFullName,len(Wscript.ScriptFullName)-len(Wscript.ScriptName))
vPath=scriptPath&"Web"
'calltocreatevDir
CreateVDir(vPath)
'----------------------------------------------------------------------------
'
'HelperFunctions
'
'-----------------------------------------------------------------------------
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
'CreatesasingleVirtualDirectory(codetakenfrommkwebdir.vbsand
'changedforsinglevDircreation).
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
SubCreateVDir(vPath)
DimvRoot,vDir,webSite
OnErrorResumeNext
'getthelocalhostdefaultweb
setwebSite=findWeb("localhost","DefaultWebSite")
ifIsObject(webSite)=Falsethen
Display"UnabletolocatetheDefaultWebSite"
exitsub
else
'displaywebSite.name
endif
'gettheroot
setvRoot=webSite.GetObject("IIsWebVirtualDir","Root")
If(Err<>0)Then
Display"Unabletoaccessrootfor"&webSite.ADsPath
Exitsub
else
'displayvRoot.name
EndIF
'deleteexistingwebifneeded
vRoot.Delete"IIsWebVirtualDir",vName
vRoot.SetInfo
Err=0'reseterror
'createthenewweb
SetvDir=vRoot.Create("IIsWebVirtualDir",vName)
If(Err<>0)Then
Display"Unabletocreate"&vRoot.ADsPath&"/"&vName&"."
exitsub
else
'displayvdir.name
endif
'setpropertiesonthenewweb
vDir.AccessRead=true
vDir.Path=vPath
vDir.Accessflags=529
VDir.AppCreateFalse
If(Err<>0)Then
Display"Unabletobindpath"&vPath&"to"&vRoot.Name&"/"&vName&".Pathmaybeinvalid."
exitsub
endIf
'commitchanges
vDir.SetInfo
If(Err<>0)Then
Display"Unabletosavechangesfor"&vRoot.Name&"/"&vName&"."
exitsub
endif
'reportallok
WScript.EchoNow&""&vName&"virtualdirectory"&vRoot.Name&"/"&vname&"createdsuccessfully."
EndSub
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
'Findsthespecifiedweb.
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
FunctionfindWeb(computer,webname)
OnErrorResumeNext
Dimwebsvc,site
dimwebinfo
DimaBinding,binding
setwebsvc=GetObject(""&computer&"/W3svc")
if(Err<>0)then
exitfunction
endif
'Firsttrytoopenthewebname.
setsite=websvc.GetObject("IIsWebServer",webname)
if(Err=0)and(notisNull(site))then
if(site.class="IIsWebServer")then
'Herewefoundasitethatisawebserver.
setfindWeb=site
exitfunction
endif
endif
err.clear
foreachsiteinwebsvc
ifsite.class="IIsWebServer"then
'
'First,checktoseeiftheServerComment
'matches
'
Ifsite.ServerComment=webnameThen
setfindWeb=site
exitfunction
EndIf
aBinding=site.ServerBindings
if(IsArray(aBinding))then
ifaBinding(0)=""then
binding=Null
else
binding=getBinding(aBinding(0))
endif
else
ifaBinding=""then
binding=Null
else
binding=getBinding(aBinding)
endif
endif
ifIsArray(binding)then
if(binding(2)=webname)or(binding(0)=webname)then
setfindWeb=site
exitfunction
EndIf
endif
endif
next
EndFunction
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
'Getsbindinginfo.
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
functiongetBinding(bindstr)
Dimone,two,ia,ip,hn
one=Instr(bindstr,":")
two=Instr((one+1),bindstr,":")
ia=Mid(bindstr,1,(one-1))
ip=Mid(bindstr,(one+1),((two-one)-1))
hn=Mid(bindstr,(two+1))
getBinding=Array(ia,ip,hn)
endfunction
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
'Displayserrormessage.
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
SubDisplay(Msg)
WScript.EchoNow&".ErrorCode:"&Hex(Err)&"-"&Msg
EndSub
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
'Displayprogress/tracemessage.
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
SubTrace(Msg)
WScript.EchoNow&":"&Msg
EndSub
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
'Removetheweb.
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
SubDeleteWeb(WebServer,WebName)
'deletetheexsitingweb(ignoreerrorifmissing)
OnErrorResumeNext
DimvDir
display"deleting"&WebName
WebServer.Delete"IISWebVirtualDir",WebName
WebServer.SetInfo
IfErr=0Then
DISPLAY"WEB"&WebName&"deleted."
else
display"can'tfind"&webname
EndIf
EndSub德芙分析FunctionCompFile(F1asstring,F2asstring)asboolean
Dimissameasboolean
OpenF1ForBinaryAs#1
OpenF2ForBinaryAs#2
issame=True
IfLOF(1)<>LOF(2)Then
issame=False
Else
whole&=LOF(1)\10000'numberofwhole10,000bytechunks
part&=LOF(1)Mod10000'remainingbytesatendoffile
buffer1$=String$(10000,0)
buffer2$=String$(10000,0)
start&=1
Forx&=1Towhole&'thisfor-nextloopwillget10,000
Get#1,start&,buffer1$'bytechunksatatime.
Get#2,start&,buffer2$
Ifbuffer1$<>buffer2$Then
issame=False
ExitFor
EndIf
start&=start& 10000
Next
buffer1$=String$(part&,0)
buffer2$=String$(part&,0)
Get#1,start&,buffer1$'gettheremainingbytesattheend
Get#2,start&,buffer2$'gettheremainingbytesattheend
Ifbuffer1$<>buffer2$Then
issame=False
EndIf
Close
CompFile=issame
EndFunction->
'Author: Demon
'Website:
'Email: 380401911@qq.com
Option Explicit
Function multiple(byVal x, byVal y)
Dim n, t, i, j, z, w()
n=Len(x) - 1
t=Len(y) - 1
ReDim w(n + t + 1)
x=CStr(x) : y=CStr(y)
For i=0 To UBound(w)
w(i)="0"
Next
For i=0 To t
Dim c : c=0
Dim uv : uv=0
For j=0 To n
uv=(w(i+j)-"0") + c + _
(Mid(x,n-j+1,1)-"0") * (Mid(y,t-i+1,1)-"0")
w(i+j)=CStr(uv Mod 10 + "0")
c=uv \ 10
Next
w(i+n+1)=CStr(uv \ 10 + "0")
Next
z=Join(w,"")
z=StrReverse(z)
Do While Left(z,1)="0"
z=Mid(z,2)
Loop
multiple=z
End Function
Function factorial(n)
Dim i, t : t=1
For i=1 To n
t=multiple(t, i)
Next
factorial=t
End Function
Dim t : t=Timer
WScript.Echo factorial(100)
WScript.Echo Timer - t
。
