smss

@echo off&setlocal EnableDelayedExpansion
set file=%1
echo 正在对文件%file%中的数据行字符串倒序输出
cd.>2.txt
for /f "delims=" %%i in ('type "%file%"') do (
set str=%%i
echo !str!
set n=0&set length=&call :str_length
set x=1&set str2=&call :str2
echo !str2!
echo.!str2!>>2.txt
)
start 2.txt
exit
:str_length
if "!str:~%n%,1!"=="" goto :eof
set /a n+=1
goto :str_length
:str2
if %x% gtr %n% goto :eof
set str2=!str2!!str:~-%x%,1!
set /a x+=1
goto :str2
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smss

回复 3# pichuli2019 就
修改2.TXT即可