pcl_test

@echo off
set /p password1=<"a.txt"
:input
cls
set /p password2=请输入密码:
::if not defined password2 goto input
if "%password2%" neq "%password1%" echo;对不起,你输入的密码[%password2%]错误!&ping -n 3 0 >nul&goto input
echo;密码正确
pause
复制代码