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回复 1# jl001002

给出两个60秒内计时例

正计时

@echo off
setlocal enabledelayedexpansion 

set "secs=5" & rem 限于<60秒内计时
set /a "t1=1!time:~-5,2!*100+1!time:~-2!-100, te=secs*100 + 10000"
:loop
set /a "t2=(1!time:~-5,2!*100+1!time:~-2! -100 - t1 + 6000) %% 6000+10000"

if !t2! gtr !te! (echo Time is up) & >nul pause
cls & echo !t2:~-4,-2!:!t2:~-2!

goto :loop
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倒计时

@echo off
setlocal enabledelayedexpansion

set "secs=5" & rem 限于<60秒内计时
set /a "t1=1!time:~-5,2!*100+1!time:~-2!-100"
:loop
set /a "t2=secs*100 + 10000 - (1!time:~-5,2!*100+1!time:~-2! -100 - t1 + 6000) %% 6000"

if !t2! lss 10000 (echo Time is up) & >nul pause
cls & echo !t2:~-4,-2!:!t2:~-2!

goto :loop
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