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回复 1# xiaoguren

@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

我调试过的，没问题