more

@echo off
set "times=10"
echo 按任意键退出运行程序,默认 10 秒启动程序
:bgn
set/p=还剩下 %times% 秒...<nul
if "%times%"=="0" goto :run
set /a "times-=1"
choice /T 1 /C abcdefghijklmnopqrstuvwxyz /d a >nul
if "%errorlevel%"=="1" (goto :bgn) else (goto :end)
:run
echo.&echo 程序已经启动...
pause>nul&goto :eof
:end
echo.&echo 已经退出程序...
pause>nulCOPY

谢谢版主提醒,现更改如下:

@echo off
set "times=10"
echo 按任意字母键退出运行程序,默认 10 秒启动程序
:bgn
set/p=还剩下 %times% 秒...<nul
if "%times%"=="0" goto :run
set /a "times-=1"
choice /T 1 /C 0abcdefghijklmnopqrstuvwxyz /d 0 >nul
if "%errorlevel%"=="1" (goto :bgn) else (goto :end)
:run
echo.&echo 程序已经启动...
pause>nul&goto :eof
:end
echo.&echo 已经退出程序...
pause>nulCOPY

[ 本帖最后由 more 于 2008-10-22 17:03 编辑 ]