| @echo off | | setlocal enabledelayedexpansion | | :start | | cls | | set mi=123 | | set /p ma=请输入密码 | | set /a r=!random!%%(9999-1000+1)+1000 | | echo 验证码:!r! | | set /p yan=输入验证码 | | if "!yan!" equ "!r!" (if "!ma!" equ "!mi!" (echo 验证成功&goto end) else (echo 密码错误&pause&goto start)) else (echo 验证码错误&pause&goto start) | | :end | | pause | | exitCOPY |
加了验证码,提升一下安全系数 |