keen

@echo off
set /p var=please input:
:start
set "lstr=abcdefghijklmnopqrstuvwxyz"
set "ustr=ABCDEFGHIJKLMNOPQRSTUVWXYZ"
set vr=%var:~0,1%
:loop
set ls=%lstr:~0,1%
set %ls%=%ustr:~0,1%
if "%vr%"=="%ls%" call,set /p=%%%ls%%%<nul&goto next
set us=%ustr:~0,1%
set %us%=%lstr:~0,1%
if "%vr%"=="%us%" call,set /p=%%%us%%%<nul&goto next
set lstr=%lstr:~1%
set ustr=%ustr:~1%
if "%ustr%"=="" set /p= <nul&goto next
goto loop
:next
set var=%var:~1%
if "%var%"=="" goto end
goto start
:end
echo.
pause
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[ 本帖最后由 keen 于 2009-4-2 13:17 编辑 ]