设置系统环境变量立即生效的VBS脚本

可以设置环境变量并立即生效, 与Windows批处理不同的是此脚本设置的环境变量可保证重启后一样有用.
保存以下内容为 设置环境变量.vbs , 修改要设置的环境变量名即路径即可开始运行设置.

Code
Set pSysEnv = CreateObject("WScript.Shell").Environment("System")

'Check whether a character string matches a regular expression
'
^\w+[@]\w+[.]\w+$ E-MailAddress
'
^[0-9-]+$ Numeral
Function IsMatch(Str, Patrn)
Set r = new RegExp
r.Pattern
= Patrn
IsMatch
= r.test(Str)
End Function

Sub SetEnv(pPath, pValue)
Dim ExistValueOfPath
IF pValue <> "" Then
ExistValueOfPath
= pSysEnv(pPath)
IF Right(pValue, 1) = "\" Then pValue = Left(pValue, Len(pValue)-1)
If IsMatch(ExistValueOfPath, "\*?" & Replace(pValue, "\", "\\") & "\\?(\b|;)") Then Exit Sub '已经存在该环境变量设置
If ExistValueOfPath <> "" Then pValue = ";" & pValue
pSysEnv(pPath)
= ExistValueOfPath & pValue
Else
pSysEnv.Remove(pPath)
End IF
End Sub

'--------设置TOF目录---------
TOF = "D:\Workshop\tof\TOF_Common\Library\Tencent.OA.Framework.dll.config"

SetEnv
"TOF", TOF

MsgBox "Set environment variable for TOF successfully."

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