Set IP automatically in Windows

@ECHO off
cls
:start
ECHO.
ECHO 1. Change Connection1 Static IP
ECHO 2. Obtain an IP address automatically
ECHO 3. Exit
set choice=
set /p choice=Type the number to print text.
if not ‘%choice%’==” set choice=%choice:~0,1%
if ‘%choice%’==’1’ goto con1
if ‘%choice%’==’2’ goto autosearch
if ‘%choice%’==’3’ goto end
ECHO “%choice%” is not valid, try again
ECHO.
goto start
:con1
ECHO 本地连接
netsh interface ip set address “本地连接” static 10.18.3.201 255.255.255.0 10.18.3.1 1
netsh interface ip add dns name=”本地连接” addr=10.18.0.6 index=1
netsh interface ip add dns name=”本地连接” addr=8.8.8.8 index=2
goto end

:autosearch
ECHO obtaining auto IP
netsh interface ip set address name=”本地连接” source=dhcp
netsh interface ip set dnsservers name=”本地连接” source=dhcp
goto end

:bye
ECHO BYE
goto end

:end