Lumiere

@echo off
:start
set /p a=Please input the year!:
set /a x=%a%%%4 
set /a y=%a%%%100 
set /a z=%a%%%400
if %z% equ 0 goto leap
if %x% equ 0 (if %y% neq 0 goto leap else goto warning) else goto leap
:warning
echo The year you inputted is not leap year. Please input again!
goto start
:leap
echo The year you inputted is leap year!
pause
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[ 本帖最后由 Lumiere 于 2009-3-23 19:10 编辑 ]

zhouyongjun

@echo off
set/p year=请输入年份:
set/a num=!(year%%4)^&!(!(year%%100))^|!(year%%400)
if %num% equ 0 (echo 平年) else (echo 闰年)
pause
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keen

@echo off
:start
cls
set /p year=please input year:
set /a a=%year%%%4
set /a b=%year%%%100
set /a c=%year%%%400
if %c%==0 echo. &echo %year% is Leap Year! &echo. & pause & goto start
if %a%==0 (goto next) else (goto norn)
:next
if not %b%==0 (echo. & echo %year% is Leap Year! & echo. & pause & goto start) else (goto norn) 
:norn
echo.
echo %year% is not Leap Year!
echo.
pause
goto :start
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stuqx

@echo off
set /p dt=请输入年份:
set /a a=%dt%%%100
set /a b=%dt%%%400
set /a c=%dt%%%4
if %a% equ 0 (
        if %b% equ 0 (
                echo %dt%是闰年！&pause
                goto :eof)
        goto :other)
if %c% equ 0 (
        echo %dt%是闰年！&pause
        goto :eof)
goto :other
:other
echo %dt%不是闰年！&pause
goto :eof
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嘿嘿  现在没错误了

[ 本帖最后由 stuqx 于 2009-3-27 16:11 编辑 ]

zjw767676

@echo off
:kaishi
set a=&set b=&set c=&set d=
set/p a=请输入年份： 
set /a b=%a%%%4
set /a c=%a%%%100
set /a d=%a%%%400
if %d%==0 goto yes
if %b%==0 (if not %c%==0 (goto yes) else (
goto no
)
) else goto no 
:yes
echo 你输入的是闰年
pause
goto :kaishi
:no
echo 你输入的不是闰年
pause
goto :kaishi 
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[ 本帖最后由 zjw767676 于 2009-3-18 19:24 编辑 ]