@echo off setlocal enabledelayedexpansion :: ===== 自动提权 ===== net session >nul 2>&1 if %errorlevel% neq 0 ( powershell -Command "Start-Process cmd -ArgumentList '/c %~f0' -Verb RunAs" exit ) :: ===== hosts 文件 ===== set "HOST_FILE=%SystemRoot%\System32\drivers\etc\hosts" set "TMP_FILE=%HOST_FILE%.tmp" :: ===== 去掉只读 ===== attrib -r "%HOST_FILE%" :: ===== 拷贝原 hosts 到临时文件 ===== copy /Y "%HOST_FILE%" "%TMP_FILE%" >nul :: ===== 要添加/更新的记录 ===== ( echo 127.0.0.1 www.2brightsparks.com echo 127.0.0.1 dbinternal.2brightsparks.com ) > "%HOST_FILE%.list" :: ===== 处理每条记录 ===== for /f "usebackq tokens=1,* delims= " %%i in ("%HOST_FILE%.list") do ( set "IP=%%i" set "DOMAIN=%%j" set "FOUND=0" set "NEW_TMP=%TMP_FILE%.new" if exist "!NEW_TMP!" del /f /q "!NEW_TMP!" :: 遍历原临时文件 for /f "usebackq delims=" %%L in ("%TMP_FILE%") do ( set "LINE=%%L" echo !LINE! | findstr /R /C:"[ ]!DOMAIN!" >nul if !errorlevel! EQU 0 ( echo !IP! !DOMAIN!>>"!NEW_TMP!" set "FOUND=1" ) else ( echo !LINE!>>"!NEW_TMP!" ) ) :: 如果没有找到域名，追加 if !FOUND! EQU 0 ( echo !IP! !DOMAIN!>>"!NEW_TMP!" ) move /Y "!NEW_TMP!" "%TMP_FILE%" >nul echo Added/Updated !IP! !DOMAIN! ) :: ===== 写回 hosts ===== move /Y "%TMP_FILE%" "%HOST_FILE%" >nul :: ===== 删除临时 list ===== del /f /q "%HOST_FILE%.list" :: ===== 恢复只读 ===== :: attrib +r "%HOST_FILE%" :: ===== 刷新 DNS ===== ipconfig /flushdns echo ==== Done ==== pause