set a=☆☆☆☆☆☆☆☆☆☆
set b=★
set c=
set d=
set e=123456789abcde
:b
for /l %%a in (0,1,9) do (
set /a f=%random%%%14+1
set/p=!a:~%%a,1!<nul&set/p=%b%<nul
color 0!e:~%f%,1!
set/p=%c%<nul
if %%a equ 9 (set/p=%d%<nul&for /l %%a in (9,-1,1) do (set/p=!a:~-%%a!!<nul&set/p=%b%<nul&set/p=%d%<nul))
)
goto b
set/p=!a:~%%a,1!是什么意思？
set b=★
set c=
set d=
set e=123456789abcde
:b
for /l %%a in (0,1,9) do (
set /a f=%random%%%14+1
set/p=!a:~%%a,1!<nul&set/p=%b%<nul
color 0!e:~%f%,1!
set/p=%c%<nul
if %%a equ 9 (set/p=%d%<nul&for /l %%a in (9,-1,1) do (set/p=!a:~-%%a!!<nul&set/p=%b%<nul&set/p=%d%<nul))
)
goto b
set/p=!a:~%%a,1!是什么意思？