自己看一下，应该比较简单

sub WriteIni(sRoot,sUser,sPassword,sQuota)

Const ftpservdir="C:\Program Files\Serv-U"

dim str(7),sFullPath

if isnull(sQuota) then sQuota=20480

sFullPath=sRoot & "\" & sUser

Set FO=CreateObject("Scripting.FileSystemObject")

Set TF=FO.OpenTextFile( ftpservdir & "\Serv-U.INI", 8, TRUE)

str(0)="[USER=" & sUser & "]" 'UserName

str(1)="Password=" & sPassword 'Password

str(2)="HomeDir=" & sFullPath 'Directory

str(3)="ChangePassword=YES"

str(4)="QuotaEnable=YES"

str(5)="QuotaMaxCurrent=" & cstr(sQuota) & ",0" 'Quota

str(6)="Access1=" & sFullPath & ",ARWMCDLP" 'Directory

str(7)="Timeout=5" 'TimeOut of Idle

dim i

for i=0 to 7

TF.writeline cstr(str(i))

next

TF.Close

end sub