@echo off & setlocal enableextensions
echo WScript.Sleep 1000 > %temp%\tmp$$$.vbs
set /a i = 10
:Timeout
if %i% == 0 goto Next
setlocal
set /a i = %i% - 1
cls
echo %i%秒后开始运行
cscript //nologo %temp%\tmp$$$.vbs
goto Timeout
goto End
:Next
cls & echo.
for %%f in (%temp%\tmp$$$.vbs) do del %%f