shelluserwlb

@echo off 
set str=今日明月在
echo 修改前：%str%
echo %str:~0,2% & echo.%str:~2,2% & echo.%str:~4,1%
echo 修改后：%str:~2,2%%str:~0,2%%str:~4,1%
pause>nul
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猫小七

@echo off
set p=今日明月在
set var1=%p:~2,2%
set var2=%p:~0,2%
set var3=%p:~-1%
set sum=%var1%%var2%%var3%
echo %sum%
pause

boyjie

回复 1# wxcute
@echo off
set qq=今日明月在
echo %qq%
echo %qq:~0,2%
echo %qq:~2,2%
echo %qq:~4,1%
echo %qq:~2,2%%qq:~0,2%%qq:~4,1%
pause>nul

boyjie

回复 1# wxcute
@ECHO OFF
SET "VAR1=今日明月在"
SET "VAR2=%VAR1:今日明月=明月今日%"
ECHO %VAR2%

guosuper

::===========================================================
::有一个 QQ 昵称为“今日明月在”，（昵称是不是很诗意呢？）
::1、请分别截取“今日”、“明月”、“在”，并显示出来。
::2、通过变量截取把 “今日明月在” 变成 “明月今日在” 显示出来。
::===========================================================
@echo off
set "qq=今日明月在"
echo %qq:~0,2%
echo %qq:~2,2%
echo %qq:~4,1%
echo %qq:~2,2%%qq:~0,2%%qq:~4,1%
pause>nul

我是小白

@echo off
set str1=今日明月在
set str2=%str1:~0,2%
set str3=%str1:~2,2%
set str4=%str1:~-1%
echo %str2%
echo %str3%
echo %str4%
echo %str3%%str2%%str4%
pause
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我这比较笨的方法。运行会浪费资源。

Linuxer

@echo off
set qname=今日明月在
set var1=%qname:~0,2%
set var2=%qname:~2,2%
set var3=%qname:~4,1%
echo %var1%
echo %var2%
echo %var3%
echo %var2%%var1%%var3%
pause
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刚开始学，写的比较中规中矩，，看了几页帖子，发现代码还可以精简；还有很多用for循环的写法，思路真不错，学习了。

bailong360

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

zxcv2593293

我来回帖，先看下！

zh_1452

@echo off
set str=今日明月在
set var=%str:~0,3%
type nul>f:\1.txt
echo %str:~0,2%>f:\1.txt&&type f:\1.txt
pause
@echo off
::不好意思把字符分开截取FOR
set str=今日,明月,在
type nul>f:\2.txt
set var=%str:~-4%
echo %str:~-4%
echo %str:~-4%>f:\2.txt&&type f:\2.txt
echo var=2.txt
if exist f:\2.txt (echo F盘下有2.txt存在) else (echo f盘下没有2.txt存在)
for /f %%i in (f:\2.txt) do echo %%i
for /f "delims=," %%i in (f:\2.txt) do echo %%i
pause
@echo off
set str=明月,在
set var=%str:~0,2%
echo %str:~0,2%
type nul>f:\3.txt
echo %str:~0,2%>f:\3.txt&&type f:\3.txt
@echo off
set str=明月,在
set var=%str:-1%
echo %str:~-1%
type nul>f:\4.txt
echo %str:~-1%>f:\4.txt&&type f:\4.txt
pause
@echo off
type f:\1.txt>>f:\3.txt
type f:\4.txt>>f:\3.txt
type f:\3.txt
pause
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[attach]7375[/attach]

@echo off
::好累
pause
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redwolf100

努力练习中...

@echo off
cls
set str=今日明月在
set a=%str:~0,2%
set b=%str:~2,2%
set c=%str:~4%
echo %a%
echo %b%
echo %c%
echo %b%%a%%c%
pause
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章伯魂

新手报到吗？纯新手啦~
@echo off
set str=今日明月在
set ver1=%str:~2,2%
set ver2=%str:~0,2%
set ver3=%str:~4%
echo %ver1%%ver2%%ver3%
pause>nul

sbjugt

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

kamideGF

@echo off
set str=今日明月在
set a=%str:~0,2%
echo %a%
set b=%str:~2,2%
echo %b%
set c=%str:~4%
echo %c%
set str=%str:今日明月=明月今日%
echo %str%
pause

kamideGF

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