lxzzr

@echo off
pushd "%~dp0\"
SetLocal EnableDelayedExpansion

set Adapter="NVIDIA nForce Networking Controller"
rem 你的网络设备名称

set Fullkey="HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class"

echo.正在导出注册表文件...
regedit.exe /e %temp%\clsid.reg %Fullkey%

echo.正在分析注册表文件...
for /f "delims=:" %%a in ('Type "%temp%\clsid.reg" ^| findstr /ni /c:%Adapter%') do (
	for /l %%i in (100,-1,1) do (
		set /a Line = %%a - %%i
		for /f "tokens=2 delims=:" %%b in ('Type "%temp%\clsid.reg" ^| findstr /n .* ^| findstr /b !Line!:') do (

                echo.%%b | findstr /i %Fullkey% >nul 2>nul
			if !errorlevel! == 0 set CLSID=%%b
		)
	)
)

ECHO.%CLSID:~1,-1%
erase "%temp%\clsid.reg"
echo.按任意键退出...
pause >nul
复制代码

lxzzr

rem 单网卡（Intel 21140-Based PCI Fast Ethernet Adapter (Generic)）、XPSP3下测试通过
@echo off
pushd "%~dp0\"
SetLocal EnableDelayedExpansion

rem 下面两行请自行修改
set NetConnectionID=本地连接
set NetworkAddress=111122223333

set Fullkey="HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class"

rem 获取“本地连接”的设备名称
for /f "delims=" %%a in ('wmic nic where "netconnectionid='%NetConnectionID%'" get name /value') do call set %%a>nul 2>nul

regedit.exe /e %temp%\clsid.reg %Fullkey%

rem 分析注册表
echo.正在分析注册表文件...
for /f "delims=:" %%a in ('Type "%temp%\clsid.reg" ^| findstr /ni /c:"%name%"') do (
	for /l %%i in (100,-1,1) do (
		set /a Line = %%a - %%i
		for /f "tokens=2 delims=:" %%b in ('Type "%temp%\clsid.reg" ^| findstr /n .* ^| findstr /b !Line!:') do (
            echo.%%b | findstr /i %Fullkey% >nul 2>nul
			if !errorlevel! == 0 set CLSID=%%b
		)
	)
)

rem 使用reg add命令修改物理地址
reg add "%CLSID:~1,-1%" /v NetworkAddress /d %NetworkAddress% /f

rem 禁用网卡
netsh interface set interface "本地连接" disable

rem 启用网卡
netsh interface set interface "本地连接" enable

erase "%temp%\clsid.reg"
echo.按任意键退出...
pause >nul
复制代码

不过，我不敢保证 netsh 能启用、禁用网卡...

lxzzr

回复 8# ygqiang
那两个操作只是复制你一楼的代码，我在上面也讲了，不保证netsh启用、禁用网卡有效...