Nsqs

@echo off
set "a文件夹=A" %要复制的目标目录%
set "b文件夹=B" %B路径%
for %%1 in (%b文件夹%\*.jpeg)do set #_%%~nx1=%%1
for %%1 in (%a文件夹%\*.jpeg)do (
    if defined #_%%~nx1 (
    	set #_#%%1=%%1
    )else (
        echo d|xcopy /y "%%1" "%b文件夹%"      
    )
)
(for /f "tokens=2 delims==" %%1 in ('set #_#')do copy /-y "%%1" "%b文件夹%") 2>nul
复制代码