@echo off
for /l %%i in (1,1,100) do call :随机日期
goto :eof

:随机日期
set /a 随机年=%random% %% 10 + 2000
set /a 随机月=%random% %% 12 + 1
set /a 随机日=%random% %% 28 + 1
set 随机日期=%随机年%-%随机月%-%随机日%
echo.%随机日期%
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@echo off & setlocal enabledelayedexpansion
for /l %%i in (1,1,100) do (
  set /a "year=!random! %% 10 +2000, month=!random! %% 12 +1, day=!random! %% 31 +1"
  if !month! equ 2 (
    set /a isLeap=year %% 4
    if !isLeap! equ 0 (set /a day=!random! %% 29 +1) else (set /a day=!random! %% 28 +1)
  ) else (
    for %%m in (4 6 9 11) do if %%m equ !month! set /a day=!random! %% 30 +1
  )
  echo %%i:!year!-!month!-!day!
)
pause
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@echo off&setlocal enabledelayedexpansion 
for /l %%t in (1,1,100) do (echo 随机日期%%t为: &call :xx)
goto :eof
:xx
set /a n=%random%%%9
set i=200%n%
set /a j=%random%%%12+1
set /a k=%random%%%31+1
set aa=%i%-%j%-%k%
echo %aa%
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@echo off & setlocal EnableDelayedExpansion
 
for /l %%i in (1,1,100) do (
    call :随机日期 2000 10
    echo.!随机日期!
)
goto :eof
 
:随机日期 - 参数说明: %1 日期起始年份 %2 日期总年数
set /a 随机年=%random% %% %2 + %1
set /a 随机月=%random% %% 12 + 1
set /a 随机日=%random% %% 31 + 1
if 1%随机日% equ 131 (
    for %%m in (2 4 6 9 11) do if 1%随机月% equ 1%%m goto :随机日期
)
if 1%随机月% equ 12 (
    set /a "二月最大日=28+(^!(随机年 %% 4) & ^!(^!(随机年 %% 100)) | ^!(随机年 %% 400))"
    if !随机日! gtr !二月最大日! goto :随机日期
)
endlocal & set 随机日期=%随机年%-%随机月%-%随机日%
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@echo off & setlocal enabledelayedexpansion
for /l %%i in (1,1,100) do (
  set /a "year=!random!%%10+2000, month=!random!%%12+1, day=!random!%%31+1"
  if !month! equ 2 (
    set /a "day=!random!%%(28+^!(year%%4))+1"
  ) else (
    for %%m in (4 6 9 11) do if %%m equ !month! set /a day=!random!%%30+1
  )
  echo %%i:!year!-!month!-!day!  
)
pause
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set /a "day=!random!%%28+1+^!(year%%4)"
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set /a "day=!random!%%(28+^!(year%%4))+1"
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@echo off & chcp 936>nul
(set bakDate=%date:~0,4%-%date:~5,2%-%date:~8,2%) & set /a n=1001
:loop
set /a "year=%random%%%10+2000, month=%random%%%12+1, day=%random%%%31+1"
for /f %%e in ('echo. 2^>nul ^| date %year%-%month%-%day% ^| find "无法接受"') do if "%%e" neq "" goto loop
(set /a n+=1) & echo %n:~1%:%date%
if %n% leq 1100 goto loop
date %bakDate%
pause
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@echo off & setlocal enabledelayedexpansion
for /l %%i in (1,1,100) do (
  set /a "y=!random!%%10+2000, m=!random!%%12+1"
  set /a "f=^!(m-2), s=^!(m-4)|^!(m-6)|^!(m-9)|^!(m-11)"
  set /a "d=1+!random!%%(f*(28+^!(y%%4))+s*30+(^!f&^!s)*31)"
  echo %%i:!y!-!m!-!d!
)
pause
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@echo off & setlocal EnableDelayedExpansion

for /l %%i in (1,1,100) do (
    call :随机日期 2000 10
    set/p=!随机日期!      <nul
)
goto :eof

:随机日期 - 参数说明: %1 日期起始年份 %2 日期总年数
for %%s in (1 3 5 7 8 10 12) do set days#%%s=31
for %%s in (4 6 9 11) do set days#%%s=30
set /a 随机年=%random% %% %2 + %1
set /a days#2="28+(^!(随机年 %% 4) & ^!(^!(随机年 %% 100)) | ^!(随机年 %% 400))"
set /a 随机月=%random% %% 12 + 1
set /a 随机日=%random% %% days#%随机月% + 1
set 随机月=0%随机月%&set 随机日=0%随机日%
endlocal & set 随机日期=%随机年%-%随机月:~-2%-%随机日:~-2%
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@echo off&setlocal enabledelayedexpansion
for /l %%i in (1,1,100) do (
   set /a "y=!random! %%10+2000"
   set /a "m=!random! %%12+1"
        if !m! equ 2 (
           set /a "d=!random! %%28+1"&if "!y!%%4"=="0" (set/a "d=!danmon! %%29+1")
           ) else set /a "d=!random! %%31+1"
    echo %%i:!y!-!m!-!d!
)
pause
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if "!y!%%4"=="0" (set/a "d=!danmon! %%29+1")
::这句不知道行不行啊 
::月份筛选怎么弄好
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@echo off&setlocal enabledelayedexpansion
set "days=31"
for %%a in (1 3 5 7 8 10 12 4 6 9 11) do (
    if %%a equ 4 set /a days-=1
    set /a _%%a=days
)
for /l %%a in (1,1,100) do (
    set /a a=!random!%%10,b=!random!%%12+1,ys=a%%4,_2=28
    if !ys! equ 0 set /a _2=29
    set /a c=!random!%%_!b!+1
    echo 200!a!-!b!-!c!
)
pause>nul
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