[文件操作] 批处理怎样实现文件夹剪切替换？

@echo off
Xcopy "C:\Users\yuyu\Desktop\模拟试验\B50001-T1-19A\返修3" "C:\Users\yuyu\Desktop\模拟试验\B50001-T1-19A\返修2" /s /e /y
Xcopy "C:\Users\yuyu\Desktop\模拟试验\B50001-T1-19A\返修2" "C:\Users\yuyu\Desktop\模拟试验\B50001-T1-19A\返修1" /s /e /y
Xcopy "C:\Users\yuyu\Desktop\模拟试验\B50001-T1-19A\返修1" "C:\Users\yuyu\Desktop\模拟试验\B50001-T1-19A" /s /e /y
rd "C:\Users\yuyu\Desktop\模拟试验\B50001-T1-19A\返修3" /s /q
rd "C:\Users\yuyu\Desktop\模拟试验\B50001-T1-19A\返修2" /s /q
rd "C:\Users\yuyu\Desktop\模拟试验\B50001-T1-19A\返修1" /s /q
pause
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@echo off
setlocal enabledelayedexpansion
set n=6
for /l %%i in (%n%,-1,2) do (
    set /a m=%%i-1
    xcopy /s /e /y "C:\Users\yuyu\Desktop\模拟试验\B50001-T1-19A\返修%%i" "C:\Users\yuyu\Desktop\模拟试验\B50001-T1-19A\返修!m!"
    rd /s /q "C:\Users\yuyu\Desktop\模拟试验\B50001-T1-19A\返修%%i"
)
xcopy /s /e /y "C:\Users\yuyu\Desktop\模拟试验\B50001-T1-19A\返修1" "C:\Users\yuyu\Desktop\模拟试验\B50001-T1-19A"
rd /s /q "C:\Users\yuyu\Desktop\模拟试验\B50001-T1-19A\返修1"
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@echo off
setlocal enabledelayedexpansion
set n=6
cd /d "C:\Users\yuyu\Desktop\模拟试验\B50001-T1-19A"
for /l %%i in (%n%,-1,2) do (
    set /a m=%%i-1
    xcopy /s /e /y "返修%%i" "返修!m!"
    rd /s /q "返修%%i"
)
xcopy /s /e /y "返修1" .
rd /s /q "返修1"
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@echo off
setlocal enabledelayedexpansion
cd /d "%~dp0"
set n=0
for /f %%i in ('dir /b /ad 返修*') do (
    set /a n+=1
)
for /l %%i in (!n!,-1,2) do (
    set /a m=%%i-1
    xcopy /s /e /y "返修%%i" "返修!m!"
    rd /s /q "返修%%i"
)
xcopy /s /e /y "返修1" .
rd /s /q "返修1"
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