windows根据条件判断，重启网卡

@echo off
TITLE 网络检测
time /T > ping.txt
ping www.baidu.com -n 1 >> ping.txt
findstr /n "主机" ping.txt
if  %errorlevel%==0 (
rem 网卡重启
netsh interface set interface "以太网" disabled

netsh interface set interface "以太网" enabled
)else (
echo "网络无异常"
)
@echo on