@echo off
REM 待处理的文件夹在哪个目录下面
set "OldFolder=C:\Users\Administrator\Desktop\A"
REM 图片移动到哪个目录
set "NewFolder=C:\Users\Administrator\Desktop\B"
cd /d "%OldFolder%"
setlocal enabledelayedexpansion
for /f "delims=" %%i in ('dir /b /ad') do (
    echo 正在处理文件夹：%%i
    set "n=0"
    for /f "delims=" %%j in ('dir /b /a-d "%%i\*.jpg" 2^>nul') do (
        set /a "n+=1"
        copy "%%i\%%j" "%NewFolder%\%%i%%~nj !n!%%~xj"
    )
)
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