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【方案一】BAT + REG + VBS

代码如下:

@echo off

::演示：删除指定路径下指定天数之前（以文件夹的最后修改日期为准）的文件夹。

::如果演示结果无误，把rd前面的echo去掉，即可实现真正删除。

::本例调用了临时VBS代码进行日期计算

::本例为兼容不同的日期格式，调用reg命令（XP系统自带）统一设置日期格式，

::处理完毕之后再把日期格式恢复成原来的状态。

rem 指定待删除文件夹的存放路径

set SrcDir=C:/Test

rem 指定天数

set DaysAgo=1

for /f "skip=2 delims=" %%a in ('reg query "HKEY_CURRENT_USER/Control Panel/International" /v sShortDate') do (

set "RegDateOld=%%a"

)

set RegDateOld=%RegDateOld:~-8%

reg add "HKEY_CURRENT_USER/Control Panel/International" /v sShortDate /t REG_SZ /d yyyy-M-d /f>nul

>"%temp%/DstDate.vbs" echo LastDate=date()-%DaysAgo%

>>"%temp%/DstDate.vbs" echo FmtDate=right(year(LastDate),4) ^& right("0" ^& month(LastDate),2) ^& right("0" ^& day(LastDate),2)

>>"%temp%/DstDate.vbs" echo wscript.echo FmtDate

for /f %%a in ('cscript /nologo "%temp%/DstDate.vbs"') do (

set "DstDate=%%a"

)

set DstDate=%DstDate:~0,4%-%DstDate:~4,2%-%DstDate:~6,2%

for /d %%a in ("%SrcDir%/*.*") do (

if "%%~ta" leq "%DstDate%" (

if exist "%%a/"

echo rd /s /q "%%a"

)

)

)

reg add "HKEY_CURRENT_USER/Control Panel/International" /v sShortDate /t REG_SZ /d %RegDateOld% /f>nul

pause

【方案二】BAT + REG + Ritchie Lawrence 日期函数

代码如下:

@echo off

::演示：删除指定路径下指定天数之前（以文件夹的最后修改日期为准）的文件夹。

::如果演示结果无误，把rd前面的echo去掉，即可实现真正删除。

::本例调用了 Ritchie Lawrence 的日期函数进行日期计算

::日期转换的核心算法请参考http://bbs.bathome.cn/thread-3056-1-1.html

::本例为兼容不同的日期格式，调用reg命令（XP系统自带）统一设置日期格式，

::处理完毕之后再把日期格式恢复成原来的状态。

rem 指定待删除文件夹的存放路径

set SrcDir=C:/Test

rem 指定天数

set DaysAgo=1

for /f "skip=2 delims=" %%a in ('reg query "HKEY_CURRENT_USER/Control Panel/International" /v sShortDate') do (

set "RegDateOld=%%a"

)

set RegDateOld=%RegDateOld:~-8%

reg add "HKEY_CURRENT_USER/Control Panel/International" /v sShortDate /t REG_SZ /d yyyy-M-d /f>nul

call :DateToDays %date:~0,4% %date:~5,2% %date:~8,2% PassDays

reg add "HKEY_CURRENT_USER/Control Panel/International" /v sShortDate /t REG_SZ /d %RegDateOld% /f>nul

set /a PassDays-=%DaysAgo%

call :DaysToDate %PassDays% DstYear DstMonth DstDay

set DstDate=%DstYear%%DstMonth%%DstDay%

set DstDate=%DstDate:~0,4%-%DstDate:~4,2%-%DstDate:~6,2%

for /d %%a in ("%SrcDir%/*.*") do (

if "%%~ta" leq "%DstDate%" (

if exist "%%a/"

echo rd /s /q "%%a"

)

)

)

reg add "HKEY_CURRENT_USER/Control Panel/International" /v sShortDate /t REG_SZ /d %RegDateOld% /f>nul

pause

goto :eof

:DateToDays %yy% %mm% %dd% days

setlocal ENABLEEXTENSIONS

set yy=%1&set mm=%2&set dd=%3

if 1%yy% LSS 200 if 1%yy% LSS 170 (set yy=20%yy%) else (set yy=19%yy%)

set /a dd=100%dd%%%100,mm=100%mm%%%100

set /a z=14-mm,z/=12,y=yy+4800-z,m=mm+12*z-3,j=153*m+2

set /a j=j/5+dd+y*365+y/4-y/100+y/400-2472633

endlocal&set %4=%j%&goto :EOF

:DaysToDate %days% yy mm dd

setlocal ENABLEEXTENSIONS

set /a a=%1+2472632,b=4*a+3,b/=146097,c=-b*146097,c/=4,c+=a

set /a d=4*c+3,d/=1461,e=-1461*d,e/=4,e+=c,m=5*e+2,m/=153,dd=153*m+2,dd/=5

set /a dd=-dd+e+1,mm=-m/10,mm*=12,mm+=m+3,yy=b*100+d-4800+m/10

(if %mm% LSS 10 set mm=0%mm%)&(if %dd% LSS 10 set dd=0%dd%)

endlocal&set %2=%yy%&set %3=%mm%&set %4=%dd%&goto :EOF

【方案三】BAT + VBS

代码如下:

@echo off

::演示：删除指定路径下指定天数之前（以文件夹的最后修改日期为准）的文件夹。

::如果演示结果无误，把rd前面的echo去掉，即可实现真正删除。

::本例调用了临时VBS代码进行日期计算，并统一设置系统日期格式，处理完毕

::之后再把日期格式恢复成原来的状态。摆脱了对reg命令（XP系统自带）的依赖。

rem 指定待删除文件夹的存放路径

set SrcDir=C:/test

rem 指定天数

set DaysAgo=1

>"%temp%/BackupDate.vbs" echo Set WshShell = WScript.CreateObject("WScript.Shell")

>>"%temp%/BackupDate.vbs" echo WScript.Echo WshShell.RegRead ("HKEY_CURRENT_USER/Control Panel/International/sShortDate")

for /f %%a in ('cscript /nologo "%temp%/BackupDate.vbs"') do (

set "RegDateOld=%%a"

)

>"%temp%/UnifyDate.vbs" echo Set WshShell = WScript.CreateObject("WScript.Shell")

>>"%temp%/UnifyDate.vbs" echo WshShell.RegWrite "HKEY_CURRENT_USER/Control Panel/International/sShortDate", "yyyy-M-d", "REG_SZ"

cscript /nologo "%temp%/UnifyDate.vbs"

>"%temp%/DstDate.vbs" echo LastDate=date()-%DaysAgo%

>>"%temp%/DstDate.vbs" echo FmtDate=right(year(LastDate),4) ^& right("0" ^& month(LastDate),2) ^& right("0" ^& day(LastDate),2)

>>"%temp%/DstDate.vbs" echo wscript.echo FmtDate

for /f %%a in ('cscript /nologo "%temp%/DstDate.vbs"') do (

set "DstDate=%%a"

)

set DstDate=%DstDate:~0,4%-%DstDate:~4,2%-%DstDate:~6,2%

for /d %%a in ("%SrcDir%/*.*") do (

if "%%~ta" leq "%DstDate%" (

if exist "%%a/"

echo rd /s /q "%%a"

)

)

)

>"%temp%/RecoverDate.vbs" echo Set WshShell = WScript.CreateObject("WScript.Shell")

>>"%temp%/RecoverDate.vbs" echo WshShell.RegWrite "HKEY_CURRENT_USER/Control Panel/International/sShortDate", "%RegDateOld%", "REG_SZ"

cscript /nologo "%temp%/RecoverDate.vbs"

pause

【方案四】字符串截取

代码如下:

@echo off

::演示：删除指定路径下指定天数之前（以文件夹名中包含的日期字符串为准）的文件夹。

::如果演示结果无误，把rd前面的echo去掉，即可实现真正删除。

::本例假设文件夹名中包含的日期字符串（比如：Archive-2009-12-25）

rem 指定待删除文件夹的存放路径

set SrcDir=C:/test

rem 指定天数

set DaysAgo=1

>"%temp%/DstDate.vbs" echo LastDate=date()-%DaysAgo%

>>"%temp%/DstDate.vbs" echo FmtDate=right(year(LastDate),4) ^& right("0" ^& month(LastDate),2) ^& right("0" ^& day(LastDate),2)

>>"%temp%/DstDate.vbs" echo wscript.echo FmtDate

for /f %%a in ('cscript /nologo "%temp%/DstDate.vbs"') do (

set "DstDate=%%a"

)

set DstDate=%DstDate:~0,4%-%DstDate:~4,2%-%DstDate:~6,2%

setlocal enabledelayedexpansion

for /d %%a in ("%SrcDir%/*.*") do (

if "%%~ta" leq "%DstDate%" (

set "FolderDate=%%~na"

set "FolderDate=!FolderDate:~8,10!"

if "!FolderDate!" leq "%DstDate%" (

if exist "%%a/" (

echo rd /s /q "%%a"

)

)

)

)

endlocal

pause

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