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@echo off&setlocal enabledelayedexpansion set "svar=abcdefABCDEF012345679 set /a num=8,rvar=0 for /l %%a in (1 1 12) do ( set /a rand=!random!%%21 for %%b in (!rand!) do set "rvar=!rvar!!svar:~%%b,1!" ) echo 密码为:!rvar:~1! pause>nul复制代码
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