[BAT] 通过批处理加host
echo. >> %WINDIR%\system32\drivers\etc\hosts & echo xxx.xxx.xxx.xx test_host >> %WINDIR%\system32\drivers\etc\hosts
echo. >> %WINDIR%\system32\drivers\etc\hosts & echo xxx.xxx.xxx.xx test_host >> %WINDIR%\system32\drivers\etc\hosts