[文本处理] 批处理复制文件为何提示：找不到文件？

xcopy /y /e "e:\外勤\%y%\%m:~-2%\*.*" d:\
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@echo off
set /a "y=%date:~,4%,m=1%date:~5,2%-2"
if %m% lss 101 set /a y-=1,m+=12
xcopy /e /y "e:\外勤\%y%\%m:~-2%\*.*" d:\
echo %y%年%m:~-2%月份%,执行完毕!
pause
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@echo off
set "spath=e:\外勤"
set "bakpath=d:\备份"
set /a "y=%date:~,4%,m=1%date:~5,2%-2"
if %m% lss 101 set /a y-=1,m+=12
rd /q /s %bakpath%&md %bakpath%
xcopy /e /y "%spath%\%y%\%m:~-2%\*.*" "%bakpath%"
rd /q /s "%spath%\%y%\%m:~-2%\"
echo %y%年%m:~-2%月份,备份完毕!
pause & exit /b
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if exist "%spath%\%y%\%m:~-2%\" (
        xcopy /e /y "%spath%\%y%\%m:~-2%\*.*" "%bakpath%"
        rd /q /s "%spath%\%y%\%m:~-2%\"
        echo %y%年%m:~-2%月份,备份完毕!
) else echo;%spath%\%y%\%m:~-2%\不存在，程序退出。
复制代码

@echo off&setlocal EnableDelayedExpansion
echo.
::---------------
set "spath=e:\外勤"
set "bakpath=d:\备份\外勤"
set /a "y=%date:~,4%,m=1%date:~5,2%-2"
if %m% lss 101 set /a y-=1,m+=12
::---------------
if exist "%spath%\%y%\%m:~-2%\" (
	rem ---------------------
	chcp 437>nul&graftabl 936>nul
	echo hP1X500P[PZBBBfh#b##fXf-V@`$fPf]f3/f1/5++u5x>in.com
	echo.
	set /p pw=请输入密码: <nul
	for /f "tokens=*" %%i in ('in.com') do set pw=%%i
	del in.com
	rem ---------------------
	if not "%pw%"=="jyzr" (
		echo.
		echo.
		echo 对不起，您密码输入错误^^!
		pause>nul&exit
	)
	rem ---------------------
	rd /q /s %bakpath%&md %bakpath%
	xcopy /e /y "%spath%\%y%\%m:~-2%\*.*" "%bakpath%\%y%\%m:~-2%\"
	rd /q /s "%spath%\%y%\%m:~-2%\"
	echo.
	echo %y%年%m:~-2%月份,备份完毕!
)
) else (
:: ↑↑↑↑↑↑↑上面这。。。

echo %y%年%m:~-2%月已备份！
echo.
pause
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