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43 lines
1.4 KiB
Batchfile
43 lines
1.4 KiB
Batchfile
3 months ago
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@echo off
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chcp 65001 >nul
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setlocal enabledelayedexpansion
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:: ======= 配置 =======
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set "TARGET_DIR=D:\your\data\path"
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set "DRIVE_LETTER=D:"
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set "MIN_FREE_GB=200"
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set "RETENTION_DAYS=60"
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:: ===================
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:: 1. 查磁盘剩余空间
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for /f "tokens=3" %%a in ('dir %DRIVE_LETTER%\ 2^>nul ^| findstr "可用字节"') do set "FREE=%%a"
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if "%FREE%"=="" for /f "tokens=3" %%a in ('dir %DRIVE_LETTER%\ 2^>nul ^| findstr /i "free"') do set "FREE=%%a"
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set /a "FREE_GB=%FREE:~0,-3% / 1024 / 1024"
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:: 2. 空间够就跳过
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if %FREE_GB% GEQ %MIN_FREE_GB% goto :END
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:: 3. 目标目录不存在就退出
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if not exist "%TARGET_DIR%" goto :END
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:: 4. 算30天前的日期
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for /f %%i in ('powershell -NoProfile -Command "(Get-Date).AddDays(-%RETENTION_DAYS%).ToString('yyyy-MM-dd')"') do set "CUTOFF=%%i"
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:: 5. 遍历删除，每删一个检查空间
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for /d %%D in ("%TARGET_DIR%\*") do (
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set "FN=%%~nxD"
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echo !FN! | find "-" >nul && (
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if "!FN!" LSS "%CUTOFF%" (
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rd /s /q "%%D" 2>nul
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:: 重新查剩余空间
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for /f "tokens=3" %%f in ('dir %DRIVE_LETTER%\ 2^>nul ^| findstr "可用字节"') do set "FREE=%%f"
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if "!FREE!"=="" for /f "tokens=3" %%f in ('dir %DRIVE_LETTER%\ 2^>nul ^| findstr /i "free"') do set "FREE=%%f"
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set /a "FREE_GB=!FREE:~0,-3! / 1024 / 1024"
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if !FREE_GB! GEQ %MIN_FREE_GB% goto :END
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)
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)
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)
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:END
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exit /b 0
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