
CODE: [Copy to clipboard]@echo off
:lp
set /p a=请输入[y^|n]:
echo %a%|findstr /iv "[yn]" >nul 2>nul&&goto :lp
echo 成功
pause
CODE: [Copy to clipboard]@echo off
:lp
set /p choice=确定吗(Y/N)?
if /i "%choice%"=="y" goto y
if /i "%choice%"=="n" goto n
goto lp
:y
echo 输入了 y
pause
goto :eof
:n
echo 输入了 n
pause
goto :eof
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