@echo off

REM 获取当前日期
for /f "tokens=1-3 delims=/ " %%a in ('date /t') do (
    set "datestamp=%%a-%%b-%%c"
)

REM 创建日志文件名
set "alllogfile=D:\Ping\%datestamp%_network_check.log"
set "rebootlogfile=D:\Ping\%datestamp%_reboot.log"

REM 设置需要重启的网卡名称
set INTERFACE_NAME=以太网

REM 最大重启次数，默认重启3次网卡无效后重启电脑，根据自己需要更改下列数字，比重启次数大1即可
set MAX_RESTART_COUNT=4

REM 网络中断秒数
set RESTART_INTERVAL=30

REM 记录已经进行的网卡重启次数。初始值为1，每次网卡重启后递增。
set /A RESTART_COUNT=1
set /A DISCONNECTED_TIME=0
set "STOP_FLAG="

:START
ping www.baidu.com -n 1 | findstr "TTL=" > nul

if %errorlevel% neq 0 (
    set /A DISCONNECTED_TIME+=1
    if %DISCONNECTED_TIME% gtr %RESTART_INTERVAL% (
        set /A RESTART_COUNT+=1
        netsh interface set interface "%INTERFACE_NAME%" admin=disable > nul
        timeout /t 5 > nul
        netsh interface set interface "%INTERFACE_NAME%" admin=enable > nul
        set DISCONNECTED_TIME=0

        if %RESTART_COUNT% equ %MAX_RESTART_COUNT% (
            echo %date% %time% - 网卡重启无效, 重启电脑. >> "%alllogfile%"
            echo %date% %time% - 网卡重启无效, 重启电脑. >> "%rebootlogfile%"
            shutdown /r /f /t 0
            set "STOP_FLAG=1"   REM 设置停止标志
            exit
        ) else (
            echo %date% %time% - %INTERFACE_NAME%网卡重启次数: 第 %RESTART_COUNT% 次 >> "%alllogfile%"
            echo %date% %time% - %INTERFACE_NAME%网卡重启次数: 第 %RESTART_COUNT% 次 >> "%rebootlogfile%"
        )
    )
    echo %date% %time% - 网络中断! >> "%alllogfile%"
) else (
    set DISCONNECTED_TIME=0
)

timeout /t 1 > nul

REM 检查停止标志
if defined STOP_FLAG (
    exit
) else (
    goto :START
)
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@echo off
setlocal enabledelayedexpansion
REM 设置需要重启的网卡名称
set INTERFACE_NAME=以太网

REM 最大重启次数，默认重启3次网卡无效后重启电脑，根据自己需要更改下列数字，比重启次数大1即可
set MAX_RESTART_COUNT=3

REM 网络中断秒数
set RESTART_INTERVAL=30

REM 记录已经进行的网卡重启次数。初始值为0，每次网卡重启后递增。
set /A RESTART_COUNT=0
set /A DISCONNECTED_TIME=0

:START
ping www.baidu.com -n 1 | findstr "TTL=" > nul

if %errorlevel% neq 0 (
	set /A DISCONNECTED_TIME+=1
	for /f %%i in ('powershell -c "Get-Date -uformat '%%Y%%m%%d'"') do (
		md "D:\Ping\" 2>nul
		set "alllogfile=D:\Ping\%%i_network_check.log"
		set "rebootlogfile=D:\Ping\%%i_reboot.log"
	)
	echo !date! !time! - 网络中断! >> "!alllogfile!"

	if !DISCONNECTED_TIME! gtr %RESTART_INTERVAL% (
		set /A RESTART_COUNT+=1
		netsh interface set interface "%INTERFACE_NAME%" admin=disable > nul
		timeout /t 5 > nul
		netsh interface set interface "%INTERFACE_NAME%" admin=enable > nul
		timeout /t 5 > nul
		echo !date! !time! - %INTERFACE_NAME%网卡重启次数: 第 !RESTART_COUNT! 次 >> "!alllogfile!"
		echo !date! !time! - %INTERFACE_NAME%网卡重启次数: 第 !RESTART_COUNT! 次 >> "!rebootlogfile!"

		ping www.baidu.com -n 1 | findstr "TTL=" > nul
		if !errorlevel! neq 0 (
			set /a RESTART_COUNT+=1
			if !RESTART_COUNT! equ %MAX_RESTART_COUNT% (
				echo !date! !time! - 网卡重启无效, 重启电脑. >> "!alllogfile!"
				echo !date! !time! - 网卡重启无效, 重启电脑. >> "!rebootlogfile!"
				shutdown /r /f /t 30
				exit
			)
		) else (
			set /a DISCONNECTED_TIME=0,RESTART_COUNT=0
		)
	)
) else (
	set DISCONNECTED_TIME=0
)

timeout /t 1 > nul
goto :START
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