505250350

@echo off & setlocal enabledelayedexpansion

::固定字符串
set "s1=https://www.2345.com/"
::随机位数
set /a ws=16
::一次生成组数
set /a zs=120

set /a a=0
set /a b=0
set "s2="
set "str=ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890"
del str.txt 1>nul 2>nul

:mm
set /a r=!random!%%36
set s2=%s2%!str:~%r%,1!
set /a a+=1
if %a% lss %ws% goto mm
(echo %s1%%s2%&echo.)>>str.txt
set "s2="
set /a a=0
set /a b+=1
if %b% lss %zs% goto mm
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