批量把文件夹和文件名字从大写改成小写

@echo off

for /f “delims=” %%i in (‘dir /b /s’) do (

    set “file=%%~nxi”

    setlocal enabledelayedexpansion

    for %%j in (q w e r t y u i o p a s d f g h j k l z x c v b n m) do (

        set “file=!file:%%j=%%j!”

    )

    for %%j in (“!file!”) do endlocal & ren “%%i” “%%~j”

)

pause