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貌似 没问题
在FOR里 dir 试呢

@echo off&setlocal enabledelayedexpansion
for %%i in (1 2 3 4 5 6 7 8 9) do md "c:\123\%%i" 2>nul
for /f "tokens=*" %%i in ('dir /b /a-d *.png') do (
    set ".=%%i"
    copy "%%i" "c:\123\!.:~,1!\%%i"
)
pause
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