set /p choice=1固定ip，2自动获取:

echo.

if "%choice%"=="1" goto ip1

if "%choice%"=="2" goto ip2

if "%choice%"=="3" goto end

if "%choice%"=="4" goto test

goto main

:ip1

echo IP自动设置开始....

echo.

echo 正在设置IP及子网掩码

cmd /c netsh interface ip set address name="以太网" source=static addr=固定IP时的IP地址 mask=固定IP时的子网掩码
 gateway=固定IP时的默认网关 gwmetric=1

echo 正在设置DNS服务器

cmd /c netsh interface ip set dns name="以太网" source=static addr=固定IP时的首选DNS服务器 register=PRIMARY

echo 正在设置DNS服务器

cmd /c netsh interface ip add dns name="以太网" addr=固定IP时的备选DNS服务器

echo 设置完成

pause

exit 

if errorlevel 2 goto main

if errorlevel 1 goto end 

:ip2

echo IP自动设置开始....

echo.

echo 自动获取IP地址....

netsh interface ip set address name = "以太网" source = dhcp

echo 自动获取DNS服务器....

netsh interface ip set dns name = "以太网" source = dhcp 

@rem 设置自动获取IP

echo 设置完成

pause

exit 

if errorlevel 2 goto main

if errorlevel 1 goto end 

:test

netsh interface ip set address name = "以太网" source = dhcp

netsh interface ip set dns name = "以太网" source = dhcp 

netsh interface ip set wins name = "以太网" source = dhcp 

CHOICE /C YN /M "退出请按 Y,返回菜单请按 N。" 

if errorlevel 2 goto main

if errorlevel 1 goto end 

:end