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@echo off setlocal EnableDelayedExpansion :top ping -n 1 www.baidu.com | find /I "TTL" && goto top echo 网络不通 goto top复制代码
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@echo off setlocal enabledelayedexpansion ::设置尝试次数 set "imax=500" :top set/a "i+=1, k=0" for /f "delims=" %%v in ('ping -n 1 www.baidu.com ^|find /i "TTL" ') do ( set "k=1" &(echo,%%v !i!) ) if !k! equ 0 (echo,!i! 网络不通) if !i! geq !imax! (endlocal&exit/b) goto top复制代码