中国DOS联盟

请输入1-26中的任意一个数值：3

c和p之间的字母是：defghijklmno

@echo off

set /p b=请输入 1-26 中的任意一个数值: 

:lp

set /a e=%random%%%26+1,1/(e-b) 2>nul || goto lp

if %e% lss %b% set /a b=%e%,e=%b%

set /a L=b-1,R=e-1,M=e-b-1

set Letters=abcdefghijklmnopqrstuvwxyz

call echo %%Letters:~%L%,1%% 和 %%Letters:~%R%,1%% 之间的字母是: %%Letters:~%b%,%M%%%

pause

Originally posted by tireless at 2009-3-1 01:08:

@echo off

set /p b=请输入 1-26 中的任意一个数值: 

:lp

set /a e=%random%%%26+1,1/(e-b) 2>nul || goto lp

if %e% lss %b% set /a b=%e%,e=%b%

set /a L=b-1,R=e-1,M=e-b-1

set Let ... 

Originally posted by netbenton at 2009-2-28 10:14:
@echo off
set "asc=abcdefghijklmnopqrstuvwxyz"
:lp
set /p in=请输入1-26中的任意一个数值：
echo.
if %in% gtr 26 echo.输入错误,请重新输入。&goto :lp
if %in% ...

@echo off

set "code=abcdefghijklmnopqrstuvwxyz"

set /p input=请输入1-26内的任意数值：

:lp

set /a _random=%random%%%26+1,a=_random-input

if "%a:-=%" lss "2" goto lp

if %_random% gtr %input% (

   set /a a=input,b=27-_random,c=a-1,d=_random-1

   ) else (

   set /a a=_random,b=27-input,c=a-1,d=input-1

)

call,set /p=%%code:~%c%,1%%和%%code:~%d%,1%%间的字母是：%%code:~%a%,-%b%%%<nul

pause>nul