@echo off
setlocal enabledelayedexpansion
for /d %%a in (*) do (
    echo 正在处理文件夹：%%a
    pushd "%%a"
    for /f "tokens=1-4 delims=-" %%b in ("%%a") do (
        if "%%e" equ "" (
            set "FolderPrefix=%%b-%%c"
        ) else (
            set "FolderPrefix=%%b-%%c-%%d"
        )
    )
    for /f "delims=" %%b in ('dir /b /a-d *.pdf') do (
        ren "%%b" "!FolderPrefix!-%%b"
    )
    popd
)
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@echo off
setlocal enabledelayedexpansion
for /d %%a in (*) do (
    set "str=%%a"
    set "str=!str:-= !
    for %%b in (!str!) do set "str=%%a"&set "str=!str:-%%b=!"
    for /f "delims=" %%c in ('dir /b /a-d "%%a\*"') do ren "%%a\%%c" "!str!-%%c"
)
pause
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