@echo off
set f=0123456789ABCDEF
set /p num=输入十进制数字:
:a
set /a mod = %num% %% 16
set /a num /=16
set en=%mod% %en%
if not %num% lss 1 (goto a)
for %%i in (%en%) do (call set/p=%%f:~%%i,1%%<nul)
pause>nul
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@echo on
set /a a=0x%b%+1      ---》F203+1
echo %a%   ===61956
set f=0123456789ABCDEF
set /p num=%a%
:a
set /a mod = %num% %% 16
set /a num /=16
set en=%mod% %en%   ---这里会报错  提示 找不到操作数
if not %num% lss 1 (goto a)
for %%i in (%en%) do (call set/p=%%f:~%%i,1%%<nul)
pause>nul
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@echo off
setlocal enabledelayedexpansion
set "mac=F825A3BCF203"
echo %mac%
REM echo set a=%mac:~0,8% > a.bat   -----取前8位
REM echo set b=%mac:~-4% > b.bat   -----取后四位   F203
REM call b.bat
set "b=%mac:~-4%"
REM 备注 F203+1
set /a c=0x%b%+1
REM 备注结果 61956
echo %c%
set "f=0123456789ABCDEF"
set "num=%c%"

:a
set /a mod=num%%16
set /a num=num/16
set "en=!mod! !en!"
if not !num! lss 1 (
    goto :a
)
set NewMac=%mac:~0,8%
for %%i in (!en!) do (
    set NewMac=!NewMac!!f:~%%i,1!
)
echo,!NewMac!
pause
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@echo off
set /p "num=输入十进制数:"
powershell -NOLOGO (%num%).toString('X')
pause>NUL
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