用批处理修改host文件的代码

@echo. >>C:\Windows\System32\Drivers\etc\hosts
@echo 127.0.0.1 baidu.com >>C:\Windows\System32\Drivers\etc\hosts
@echo 192.168.4.201 ibmrac1 >>C:\Windows\System32\Drivers\etc\hosts
@echo 192.168.4.202 ibmrac2 >>C:\Windows\System32\Drivers\etc\hosts
@echo 192.168.4.203 vip-ibmrac1 >>C:\Windows\System32\Drivers\etc\hosts
@echo 192.168.4.204 vip-ibmrac2>>C:\Windows\System32\Drivers\etc\hosts
@echo 172.16.1.53 ssosvr>>C:\Windows\System32\Drivers\etc\hosts

@echo off
set stHosts=172.16.1.53 ssosvr
FOR /F "eol=# tokens=1 delims=" %%i in (%systemroot%\system32\drivers\etc\hosts) do if "%stHosts%"=="%%i" exit
echo %stHosts%>> %systemroot%\system32\drivers\etc\hosts

cd /d %windir%\system32\drivers\etc
del hosts.bak //删除原来备份文件
ren hosts hosts.bak //备份现在host
for /f "eol=# tokens=1,2" %%i in (hosts.bak) do call :checkvalue %%i %%j
goto end
:checkvalue
echo %2 | find /i "szshequ.com" //寻找制定记录删除
if %errorlevel%==1 (echo %1 %2 >>hosts)
:end

type C:\WINDOWS\system32\drivers\etc\hosts
type C:\WINDOWS\system32\drivers\etc\hosts | find "szshequ.com" && goto yes
::echo 192.168.2.188 szshequ.com >> ""
echo 192.168.2.188 szshequ.com >> C:\WINDOWS\system32\drivers\etc\hosts
echo 192.168.2.188 www.szshequ.com >> C:\WINDOWS\system32\drivers\etc\hosts
echo 192.168.2.188 bbs.szshequ.com >> C:\WINDOWS\system32\drivers\etc\hosts
echo 192.168.2.188 cost.szshequ.com >> C:\WINDOWS\system32\drivers\etc\hosts
echo 192.168.2.188 pp.szshequ.com >> C:\WINDOWS\system32\drivers\etc\hosts
echo 192.168.2.188 yh.szshequ.com >> C:\WINDOWS\system32\drivers\etc\hosts
echo 192.168.2.188 club.szshequ.com >> C:\WINDOWS\system32\drivers\etc\hosts
echo 192.168.2.188 shop.szshequ.com >> C:\WINDOWS\system32\drivers\etc\hosts
echo 192.168.2.188 images.szshequ.com >> C:\WINDOWS\system32\drivers\etc\hosts
echo 192.168.2.188 files.szshequ.com >> C:\WINDOWS\system32\drivers\etc\hosts
echo 192.168.2.188 ajax.szshequ.com >> C:\WINDOWS\system32\drivers\etc\hosts