中国DOS联盟

@echo off&Setlocal Enabledelayedexpansion

set "var=0123456789abcdef"

for /l %%i in (1 1 8) do (

   set /a "n=!random!%%16"

   call set "str=!str!%%var:~!n!,1%%"

   if %%i equ 4 set "str=!str!-"

)

echo %str%

pause>nul