随风

版主保重身体

@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%a in (a.txt) do (
   set "str=%%a"
   set str=!str:-= !&set "str=!str:330=200!"
   for %%i in (!str!) do (
     set "var=%%i"
     set /a num=100!var:~-2!%%100
     set "ok=!ok!--!var:~0,4!年!num!月"
)
    echo !ok:~2!
    set "ok="
)
pause
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