用cmd查ip

@echo off
for /f "tokens=2 delims=:" %%i in ('ipconfig^|find "IP"') do (
for %%j in (%%i) do echo %%j>>myip.txt
)
pause

来个特别点的命令：

@echo off
netsh diag show ip|findstr /i "ipaddress">c:\ip.txt
exit