cutebe

利用系统变量：random

cutebe

::随机取数
@echo off
setlocal enableDelayedExpansion
set "num=11.22.33.44.55.66.77.88.123.321.999"
for %%a in (%num:.= %)do (set/an+=1&set _r!n!=%%a)
:loop
set/a rnd=%random%%%n+1
echo 数共 %n% 个，随机取第 %rnd% 个 !_r%rnd%!
pause
goto :loop
复制代码