[一年级其他课程]用Dos批处理取1天之前的日期.doc

======================================================================================== è??°ò?ììμ?è??ú OK ======================================================================================== @echo off ::?°ò?ììμ?è??ú￡???ê??ˉê?3? echo ----′ú???aê?---------- echo Wscript.echo dateadd(d,-1,date)vbs.vbs for /f %%a in (cscript //nologo vbs.vbs) do del vbs.vbsset yyyymmdd=%%a for /f tokens=1,2,3* delims=// %%i in (echo %yyyymmdd%) do set yyyy=%%iset mm=%%jset dd=%%k if %mm% LSS 9 set mm=0%mm% if %dd% LSS 9 set dd=0%dd% echo %yyyy%++++%mm%++++%dd% echo -----′ú???áê?--------- ::è??°ò?ììμ?è??ú echo Wscript.echo dateadd(d,-1,date)vbs.vbs for /f %%a in (cscript //nologo vbs.vbs) do del vbs.vbsecho %%a ::μ±ììè??ú echo %date:~0,4%%date:~5,2%%date:~8,2% ::è?1?è??úê? - ·???￡?è?2010-06-01 for /f tokens=1,2,3* delims=- %%i in (date /t) do @echo %%i%%j%%k ::è?1?è??úê? / ·???￡?è?2010/06/01 for /f tokens=1,2,3* delims=// %%i in (date /t) do @echo %%i%%j%%k ::μ±ììè??ú￡???ê??ˉê?3? for /f tokens=1,2,3* delims=// %%i in (date /t) do set yyyy=%%iset mm=%%jset dd=%%k echo %yyyy%++++%mm%++++%dd% ======================================================================================== è??°ò?ììμ?è??ú OK ======================================================================================== rem @echo off Rem è?1ìì???°μ?è??ú￡?è???·?è?±?á?nowdate echo wscript.echo dateadd(d,-1,date) %tmp%\tmp.vbs for /f tokens=1,2,3* delims=/ %%i in (cscript /nologo %tmp%\tmp.vbs) do set y=%%i for /f tokens=1,2,3* delims=/ %%i in (cscript /nologo %tmp%\tmp.vbs) do set m=%%j for /f tokens=1,2,3* delims=/ %%i in (cscript /nologo %tmp%\tmp.vbs) do set d=%%k if %m% LSS 9 set m=0%m% if %d% LSS 9 set d=0%d% set nowdate=%y%%m%%d% echo %nowdate% rem set p=%nowdate:~0,4% rem set t=%nowdate:~7,2% rem set m=%nowdate:~15,2% rem set