@echo off

:start

choice /c:12 /m "输入1为设置定时关机,2为取消定时关机: "

if errorlevel 2 goto cancel

if errorlevel 1 goto shutdown

:shutdown

set /p time=请输入分钟数:

set /a time_m=%time%*60

shutdown -s -f -t %time_m% 2>nul

if errorlevel 2 goto reset

@echo %time%分钟后将自动关机

goto end

:cancel

shutdown -a

@echo 已经取消定时关机

goto end

:reset

shutdown -a

shutdown -s -f -t %time_m%

@echo 系统将在%time%分钟后自动关闭

goto end

:end

pause