Five66

试试

@echo off
setlocal enabledelayedexpansion
set "HOSTS_FILE=%SystemRoot%\System32\drivers\etc\hosts"
set "TEMP_FILE=%TEMP%\hosts.tmp"
 
echo 正在处理hosts文件...
(for /f "tokens=*" %%a in ('type "%HOSTS_FILE%"') do (
    set "line=%%a"
    call :CheckLine "!line!"
)) > "%TEMP_FILE%"
 
echo 正在更新hosts文件...
copy /y "%TEMP_FILE%" "%HOSTS_FILE%" >nul
echo 完成!
pause
exit/b
 
:CheckLine
setlocal
set "LINE_TO_CHECK=%~1"
echo %LINE_TO_CHECK% | findstr /i /c:"172.72.14.216  bj.ucam.cncc.cn" /c:"172.72.14.217  sh.ucam.cncc.cn" /c:"172.72.14.218  bj.coas.cncc.cn" >nul
if errorlevel 1 (
    echo %LINE_TO_CHECK%
) else (
    echo #删除行: %LINE_TO_CHECK%
)
endlocal & goto :eofCOPY

Five66

回复 6# 北极奇熊


    确保ip后面确实是两个空格(就如1楼那样)

@echo off
set "HOSTS_FILE=%SystemRoot%\System32\drivers\etc\hosts"
set "TEMP_FILE=%TEMP%\hosts.tmp"
 
echo 正在处理hosts文件...
(for /f "tokens=*" %%a in ('type "%HOSTS_FILE%"') do (
    set "line=%%a"
    call :CheckLine
)) > "%TEMP_FILE%"
 
echo 正在更新hosts文件...
copy /y "%TEMP_FILE%" "%HOSTS_FILE%" >nul
echo 完成!
pause
exit/b
 
:CheckLine
setlocal enabledelayedexpansion
set "LINE_TO_CHECK=!line!"
if "!LINE_TO_CHECK:~0,1!" == "#" echo:!LINE_TO_CHECK!&endlocal & goto :eof
echo:!LINE_TO_CHECK!| findstr /i /c:"172.72.14.216  bj.ucam.cncc.cn" /c:"172.72.14.217  sh.ucam.cncc.cn" /c:"172.72.14.218  bj.coas.cncc.cn" >nul
if errorlevel 1 (
    echo:!LINE_TO_CHECK!
) else (
echo 删除行: !LINE_TO_CHECK! >con
)
endlocal & goto :eofCOPY