删除指定天数之前的日期文件夹

 @echo off

rem 计算指定天数之前的日期

set DaysAgo=1

rem 假设系统日期的格式为yyyy-mm-dd

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

set /a PassDays-=%DaysAgo%

call :DaysToDate %PassDays% DstYear DstMonth DstDay

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

set cache1=F:\hotelsite01\www_123_com\00cache\changyong\%DstDate%&

set cache2=F:\hotelsite01\www_123_com\00cache\homepage

set cache3=F:\hotelsite01\www_123_com\00cache\linshi\%DstDate%&

rd /s /q %cache1%

rd /s /q %cache2%

rd /s /q %cache3%

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

rem (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

本文出自 “石头” 博客，谢绝转载！