@echo off&setlocal enabledelayedexpansion
mode con cols=113 lines=20 &color 9f 
set a=■■■■■■■■■■ 
for /l %%i in (600,-1,1) do (
cls
set /a n=%%i%60
set /a m=60
if !n! geq 60 set /a m-=1
echo After %%i seconds ,start thunder
echo !a:~-%m%!
ping /n 2 127.1 >nul 
)
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@echo off&setlocal enabledelayedexpansion
mode con cols=113 lines=20 &color 9f 
set "bar=■■■■■■■■■■"

for /l %%i in (600,-1,0) do (
	if %%i neq 600 (set/a "num=%%i%%60")
	if defined num if !num! equ 0 set bar=!bar:~,-1!
	cls
	echo After %%i seconds ,start thunder
	echo;!bar!
	ping /n 2 127.1 >nul 
)
pause
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@echo off&setlocal enabledelayedexpansion
mode con cols=113 lines=20 &color 9f 
set "a=■■■■■■■■■■"
for /l %%a in (600 -1 1) do (
set /a "b=(%%a+59)/60"
cls
echo After %%a seconds ,start thunder
for %%b in (!b!) do echo !a:~0,%%b!
ping -n 2 127.1 >nul 
)
cls
echo After 0 seconds ,start thunder
pause >nul
复制代码