terse

这样试

@echo off
set nic=本地连接
for /f "skip=1" %%i in ('wmic Nic where "NetConnectionID='%nic%'" get MACAddress^,NetConnectionID 2^>^&1') do (
    for %%a in (%%i) do set "mac=%%a"
)
if not defined mac (
   set "nic="
   for /f "skip=1tokens=*" %%i in ('wmic Nic get MACAddress^,NetConnectionID') do (
       for /f "tokens=1*" %%a in ("%%i") do (
           if "%%~nxb" neq "" (
              set mac=%%a&set "nic=%%~nxb"
           ) else if not defined mac set mac=%%a
       )
   )
)
set ip=
if not defined nic set nic=本地连接
if defined mac for /f "tokens=2" %%a in ('findstr /ibc:"%mac%" 1.txt') do set "ip=%%a"
if not defined ip echo,没有ip可匹配&pause&exit
set mask=255.255.255.0
set gateway=192.168.0.1
set dns=21.156.240.1
netsh interface ip set address "%nic%" static %ip% %Mask% %gateway% 1 >nul 2>nul
netsh interface ip set dns "%nic%" static %dns% >nul 2>nul
pause
复制代码

terse

回复 3# wangxiaodong
把下面两行 改为 看什么提示

netsh interface ip set address "%nic%" static %ip% %mask% %gateway% 1
netsh interface ip set dns "%nic%" static %dns%
复制代码

terse

回复 6# wangxiaodong
这个是屏蔽去掉吧