中国DOS联盟

@echo off

rem color f0

rem mode con lines=2 cols=14

set/a num=12

set/a cal=%num%-1

:loop

set/a cal=%cal%-1

echo.

echo       %cal%

ping/n 2 127.1>nul

if %cal% equ 0 (

  goto end  

  ) else (

  goto loop

  )

:end

echo 影片正式开始

rem cls

@echo off

color f0

mode con lines=2 cols=14

for /l %%a in (10 -1 0) do (echo %%a

ping/n 2 127.1>nul)

echo 影片正式开始

cls

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