@echo off
rem # ----------------------------------
rem # 接口 IP 配置       
rem # ----------------------------------

echo "=========IP 控制管理=========="
echo "=> d: 自動獲取IP"
echo "=> h: 寢室 IP地址:66.168.1.8"
echo "=> r: 公司網絡 IP地址:192.168.250.173"
echo "請輸入對應的序號d,h,r,按回車鍵結束: "
set /p ch=
if %ch%==""  echo "You input null"&goto :EOF
set case=d,h,t,w>nul
echo %case%|findstr "/<%ch%/>">nul&if errorlevel 1  goto :err
goto %ch%
goto err

:h
:: "寢室"
echo "configure home ip address gateway,please wait 30 second ..."
@netsh int ip set address "本地連接" static 66.168.1.8 255.255.255.0 66.168.1.1 1 >nul
@netsh int ip set dns  "本地連接"  static  66.168.1.1  PRIMARY >nul
echo home ip configure is done
goto :EOF

:r
:: "公司網絡"
echo "configure transport ip address gateway,please wait 30 second ..."
@netsh int ip set address "本地連接" static 192.168.250.173 255.255.255.0 192.168.250.1 1 >nul
echo transport ip configure is done
goto :EOF

:d
:DHCP "自動獲取IP地址"
echo "configure transport ip address gateway,please wait 30 second ..."
@netsh int ip set address "本地連接"  dhcp >nul
@netsh int ip set dns  "本地連接"  dhcp   >nul

:err
:: "error"
echo your input "%ch%" ,no this argument ! please input h or w!  game over
rem # 接口 IP 配置結束