操作系统不同，日期格式也可能不同：
星期二 2008-07-29
2008-07-29 星期二
07/29/2008 Tue
Tue 07/29/2008
再考虑到中、英之外的其它语言的操作系统，日期格式的种类实在太多了。
要想标准化地获取当前系统日期2008-07-28，直接截取%date%变量的方法是不行的。
【方案一】BAT + REG
@echo off rem 无法保证在中、英之外的其它语言的操作系统上得到正确结果 for /f "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 set Today=%date: =% reg add "HKEY_CURRENT_USER/Control Panel/International" /v sShortDate /t REG_SZ /d %RegDateOld% /f>nul set "Week=Mon Tue Wed Thu Fri Sat Sun 星期一 星期二 星期三 星期四 星期五 星期六 星期日" for %%a in (%Week%) do ( call set "Today=%%Today:%%a=%%" ) echo,%Today% pause
【方案二】BAT + REG
@echo off for /f "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 set Today=%date: =% reg add "HKEY_CURRENT_USER/Control Panel/International" /v sShortDate /t REG_SZ /d %RegDateOld% /f>nul if "%Today:~0,1%" gtr "9" ( set Today=%Today:~-10% ) else ( set Today=%Today:~0,10% ) echo,%Today% pause
【方案三】BAT + REG
@echo off for /f "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 type nul>"%temp%/MyFile.tmp" for /f %%a in ('dir "%temp%/MyFile.tmp" ^| findstr /i "MyFile.tmp"') do ( set Today=%%a ) reg add "HKEY_CURRENT_USER/Control Panel/International" /v sShortDate /t REG_SZ /d %RegDateOld% /f>nul echo,%Today% pause
【方案四】BAT + WMIC
@echo off for /f "tokens=2 delims==" %%a in ('wmic path win32_operatingsystem get LocalDateTime /value') do ( set t=%%a ) set Today=%t:~0,4%-%t:~4,2%-%t:~6,2% echo,%Today% pause
【方案五】BAT + VBS
@echo off >"%temp%/DateCalculate.vbs" echo dt=date() >>"%temp%/DateCalculate.vbs" echo s=right(year(dt),4) ^& "-" ^& right("0" ^& month(dt),2) ^& "-" ^& right("0" ^& day(dt),2) >>"%temp%/DateCalculate.vbs" echo wscript.echo s for /f %%a in ('cscript /nologo "%temp%/DateCalculate.vbs"') do set ( Today=%%a ) echo,%Today% pause
【方案六】BAT + REGEDIT
@echo off rem 需要保证注册表编辑器没有处于锁定状态 regedit /e "%temp%/bak.reg" "HKEY_CURRENT_USER/Control Panel/International" >"%temp%/new.reg" echo REGEDIT4 >>"%temp%/new.reg" echo, >>"%temp%/new.reg" echo [HKEY_CURRENT_USER/Control Panel/International] >>"%temp%/new.reg" echo "sShortDate"="yyyy-MM-dd" regedit /s "%temp%/new.reg" set Today=%date: =% regedit /s "%temp%/bak.reg" if "%Today:~0,1%" gtr "9" ( set Today=%Today:~-10% ) else ( set Today=%Today:~0,10% ) echo,%Today% pause
【方案七】BAT + DEBUG
@echo off for /f "tokens=6,8 delims== " %%a in ('^(echo a100^&echo mov ah^,2a^&echo int 21^&echo.^&echo p 2^&echo q^)^|debug^|find "CX"') do ( set /a y=0x%%a set md=%%b ) set /a m=0x%md:~,2% set /a d=0x%md:~-2% set m=0%m% set d=0%d% set Today=%y%-%m:~-2%-%d:~-2% echo,%Today% pause
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