代码

    @echo off

title 测试小程序
: menu
cls
echo ===================================================    

echo 菜单
echo  1.修改管理员密码
echo 2.定时关机
echo  3.关闭定时关机
echo 4.退出本程序

echo ===================================================

set /p num=你的选择是：

if "%num%"=="1" goto 1
if "%num%"=="2" goto 2
if "%num%"=="3" goto 3
if "%num%"=="4" goto 4


:1
set /p u=请输入用户名:
set /p p=请输入新密码:
net user %u% %p% >nul
echo 你的密码已修改成功
pause
goto  menu

:2
set /p time=请输入时间:
shutdown -s -t %time%
goto  menu

:3
shutdown -a
goto  menu

:4
exit
pause

后缀

bat