zxd11097

第一次做习题  从第一题开始 . 个人绝对最简洁代码.

@echo off
:变量截取练习题  1.
set "a=今日明月在"
echo %a:~0,2% %a:~2,2% %a:~-1%
pause
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@echo off
:变量截取练习题 2
set "a=今日明月在"
echo %a:~2,2%%a:~,2%%a:~-1%
pause
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welllib

@echo off
color 1a
set str=今日明月在
echo.%str%
echo.%str:~2,3%%str:~,2%
pause
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zhaoyajin2000

@echo off
set a=今日明月在
set b=%a:~0,2%
set c=%a:~2,2%
set d=%a:~-1%
echo %c%%b%%d%
pause
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common

@echo off
set /p QQ名字=请输入字符:     
set a=%QQ名字:~0,2%
set b=%QQ名字:~2,2%
set c=%QQ名字:~4,1%
echo %b%%a%%c%
pause>nul
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we6540

@echo off
set a=今日明月在
set b=%a:~,2%
set c=%a:~2,2%
set d=%a:~-1,1%
echo %b% %c% %d%
pause

@echo off
set a=今日明月在
set b=%a:今日明月在=明月今日在%
echo %b%
pause

vincentzhou

@echo off
setlocal enabledelayedexpansion
for /f %%a in ("今日明月在") do (
    set m=%%a
    set n=!m:~,2!
    set p=!m:~2,2!
    set q=!m:~4,1!
    echo !p!!n!!q!
)
pause>nul
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wang6542975

@echo off&SETLOCAL ENABLEDELAYEDEXPANSION
for /f "delims=*" %%a in (1.txt) do (
set var1=今日
set var2=明月
set var3=在
echo !var2!!var1!!var3!
)
pause>>nul

skuny

@echo off
set a=今日明月在
echo %a:~0,2% 
echo %a:~2,2%
echo %a:~-1%
echo %a:~2,2%%a:~0,2%%a:~-1% 
pause
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lzx

做错题了，补充下：
@echo off
set a=今日明月在
set b=%a:~0,2%
set c=%a:~2,2%
set d=%a:~-1,1%
echo %b%&echo %c%&echo %d%&echo %c%%b%%d%
pause
exit

lzx

总算是写出来了，额。。。。
@echo off
set /p aa=于此输五位数
set a=%aa:~0,1%
set b=%aa:~1,1%
set c=%aa:~2,1%
set d=%aa:~3,1%
set e=%aa:~4,1%
set /a c=%a%+%b%+%c%+%d%+%e%
echo %c%
pause
exit

weichenxiehou

@echo off
set "qqname=今日明月在"
echo %qqname:~0,2%
echo %qqname:~2,2%
echo %qqname:~4,1%
echo %qqname:~2,2%%qqname:~0,2%%qqname:~4,1%
pause
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zsllq

题一：
@echo off
set var=今日明月在
echo %var:~0,2%
echo %var:~-3,-1%
echo %var:~-1%
pause>nul
题二：
@echo off 
set var=今日明月在
set a=%var:~2,2%
set b=%var:~0,2%
set c=%var:~-1%
echo %a%%b%%c%
pause>nul
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qinshi52

@echo off
cls
set var=今日明月在
set a=%var:~0,2%  
set b=%var:~2,2%
set c=%var:~-1%
echo %a%  %b%   %c%
pause
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@echo off
cls
set var=今日明月在
set a=%var:~0,2%  
set b=%var:~2,2%
set c=%var:~-1%
set d=%b%%a%%c%
set s=%d: =%
echo %s%

pause
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lvsehuaxue

@echo off
set a=今日明月在
echo %a:~2,2%%a:~0,2%%a:~-1%
pause >nul
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liangdongjuan

echo off
set ss=今日明月在
set a=%ss:~0,2%
set b=%ss:~2,2%
set c=%ss:~4,1%
echo %b%%a%%c%
pause
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