asp 读取网卡mac地址

　　<%
Dim RemoteAddr
if Request.ServerVariables(HTTP_X_FORWARDED_FOR)=Empty then
remoteaddr=Request.ServerVariables(REMOTE_ADDR)
else
RemoteAddr=Request.ServerVariables(HTTP_X_FORWARDED_FOR)
end if
If GetMac(RemoteAddr)<> then
session(mac) = GetMac(RemoteAddr)
End If
sql=select * From MacAddress where mac_address=GetMac(RemoteAddr)
set rst = server.CreateObject(ADODB.Recordset)
rst.open sql,conn,1,3
set rst=nothing
Response.Write(GetMac(RemoteAddr))

　　由于读取某IP的网卡MAC地址

　　
本程序调用arp命令通过查询本机arp表读取特定IP的MAC地址

　　
本程序需要“WSCRIPT.SHELL”和“Scripting.FileSystemObject”两个组件，

　　请确保您的服务器可以正常使用这两个组件

　　本程序需要调用Cmd.exe程序,临时文件保存结果，请确保IIS来宾帐号对程序有访问权限,

　　临时目录有写权限。
function GetMac(IP)
On Error Resume Next
Dim oScript
Dim oFileSys, oFile
Dim All, szTempFile,ipc,phyc,typec
Dim TempPath
Set oScript = Server.CreateObject(WSCRIPT.SHELL)
Set oFileSys = Server.CreateObject(Scripting.FileSystemObject)
TempPath=d: emp 临时目录
szTempFile = TempPath oFileSys.GetTempName() 获取临时文件名
Call oScript.Run (cmd.exe /c ping -n 2 IP, 0, True) Arp表中须有此IP
Call oScript.Run (cmd.exe /c arp -a IP > szTempFile, 0, True)
Set oFile = oFileSys.OpenTextFile (szTempFile, 1, False, 0)
All=oFile.ReadAll()
oFile.Close
If (IsObject(oFile)) Then
Call oFileSys.DeleteFile(szTempFile, True)
End If
arr = Split(All, vbCrLf)
If UBound(arr) = 4 Then
Ipc= InStr(1, arr(2), Internet Address)
phyc = InStr(1, arr(2), Physical Address)
typec = InStr(1, arr(2), Type)
If typec > phyc And phyc > IpcAnd ipc > 0 Then
GetMac=Ucase(Trim(CStr(Mid(arr(3), phyc, typec - phyc))))
End If
End If
End function
%>