如何編寫一個腳本，如果它的軟弱，會重新啓動我的互聯網連接？

Question

我住在一個賓館，我的房東是善意讓我用他的WiFi，但是，我的連接強度不斷從良好的（5酒吧）切換到壞的（2酒吧）。此外，看起來我的瀏覽器每當它達到2條2時就凍結，這真的很奇怪（或者可能是一個怪異的巧合），解凍它的唯一方法是斷開筆記本電腦上的連接並重新連接。

我知道這可能不是最好的或永久的修復，但出於好奇，有沒有辦法編寫一個腳本，將自動切換我的連接斷開，如果我的WiFi連接變弱？如果是這樣，我該怎麼做？

如果很重要，我的操作系統是Windows 8.1。

Answer 1

我發現了一個不錯的batch script to automatically repair LAN connection在網上，所以，我與你分享，並希望能夠幫助你！

@echo off 
cls & echo. 
echo    __  ___  
echo    /\ \__ /'___\ __ 
echo ___  __\ \ ,_\/\ \__//\_\ __ _ 
echo /' _ `\ /'__`\ \ \/\ \ ,__\/\ \ /\ \/'\ 
echo /\ \/\ \/\ __/\ \ \_\ \ \_/\ \ \\/^> ^</ 
echo \ \_\ \_\ \____\\ \__\\ \_\ \ \_\/\_/\_\ 
echo \/_/\/_/\/____/ \/__/ \/_/ \/_/\//\/_/ 
echo. 
echo NetFix v2.0c by Giovanni Heward (g@utahjrs.com) 
echo. 
echo Performs actions similiar to the network repair option and more! 
echo See: http://support.microsoft.com/kb/289256 
echo. 
echo [Optional Switches] 
echo /w - winsock reset (http://support.microsoft.com/kb/811259) - requires reboot 
echo /t - tcp/ip reset (http://support.microsoft.com/kb/299357) - requires reboot 
echo /d - debug mode 
echo. 
echo Note: This script requires elevated privileges to operate properly. 
echo. 
if [%1]==[/?] goto :eof 
for /f %%d in ('date/t') do set d=%%d & for /f %%t in ('time/t') do set t=%%t 
echo ---[NetFix runtime: %d% %t%]--->>%userprofile%\desktop\netfix.log 

set p=Releasing IP address 
if exist %windir%\system32\ipconfig.exe (
echo %p% & title %p% & echo ---[%p%]--- >>%userprofile%\desktop\netfix.log 
%windir%\system32\ipconfig.exe /release 1>>%userprofile%\desktop\netfix.log 2>>&1 
if [%1]==[/d] echo errorlevel: %errorlevel% 
if %errorlevel%==0 echo Successfully released IP... 
if %errorlevel%==1 echo ERROR: Failed to release IP... check netfix.log 
if %errorlevel%==3 echo NOTE: An IP address has not yet been associated with the network endpoint. 
) else (echo ERROR: failed to release ip address - unable to locate %windir%\system32\ipconfig.exe) 
if [%1]==[/d] pause 

set p=Flushing ARP cache 
if exist %windir%\system32\netsh.exe (
echo. & echo %p% & title %p% & echo ---[%p%]--- >>%userprofile%\desktop\netfix.log 
%windir%\system32\netsh.exe interface ip delete arpcache 1>>%userprofile%\desktop\netfix.log 2>>&1 
if [%1]==[/d] echo errorlevel: %errorlevel% 
if %errorlevel%==0 echo Successfully flushed ARP cache... 
if %errorlevel%==1 (echo ERROR: Failed to flush ARP cache... check netfix.log) 
) else (
if exist %windir%\system32\arp.exe (
%windir%\system32\arp.exe -d * 1>>%userprofile%\desktop\netfix.log 2>>&1 
if [%1]==[/d] echo errorlevel: %errorlevel% 
if %errorlevel%==0 echo Successfully flushed ARP cache... 
if %errorlevel%==1 (echo ERROR: Failed to flush ARP cache... check netfix.log) 
) else (echo ERROR: failed to flush arp cache - unable to locate %windir%\system32\netsh.exe or %windir%\system32\arp.exe)) 
if [%1]==[/d] pause 

set p=Reloading NetBIOS name cache 
if exist %windir%\system32\nbtstat.exe (
echo. & echo %p% & title %p% & echo ---[%p%]--- >>%userprofile%\desktop\netfix.log 
%windir%\system32\nbtstat.exe -R 1>>%userprofile%\desktop\netfix.log 2>>&1 
if [%1]==[/d] echo errorlevel: %errorlevel% 
if %errorlevel%==0 echo Successfully reloaded NetBIOS name cache... 
if %errorlevel%==1 (echo ERROR: Failed to reload NetBIOS name cache... check netfix.log) 
) else (
echo ERROR: Failed to reload netbios name cache - unable to locate %windir%\system32\nbtstat.exe) 
if [%1]==[/d] pause 

set p=Sending NetBIOS name update 
if exist %windir%\system32\nbtstat.exe (
echo. & echo %p% & title %p% & echo ---[%p%]--- >>%userprofile%\desktop\netfix.log 
%windir%\system32\nbtstat.exe -RR 1>>%userprofile%\desktop\netfix.log 2>>&1 
if [%1]==[/d] echo errorlevel: %errorlevel% 
) else (echo ERROR: Failed to send netbios name update - unable to locate %windir%\system32\nbtstat.exe) 
if [%1]==[/d] pause 

set p=Flushing DNS cache 
if exist %windir%\system32\ipconfig.exe (
echo. & echo %p% & title %p% & echo ---[%p%]--- >>%userprofile%\desktop\netfix.log 
%windir%\system32\ipconfig.exe /flushdns 1>>%userprofile%\desktop\netfix.log 2>>&1 
if [%1]==[/d] echo errorlevel: %errorlevel% 
) else (echo ERROR: Failed to flush dns cache - unable to locate %windir%\system32\ipconfig.exe) 
if [%1]==[/d] pause 

if [%1]==[/w] goto :winsock 
if [%1]==[/t] goto :ipreset 
goto :cont 

:ipreset 
set p=Resetting TCP/IP 
if exist %windir%\system32\netsh.exe (
echo. & echo %p% & title %p% & echo ---[%p%]--- >>%userprofile%\desktop\netfix.log 
%windir%\system32\netsh.exe int ip reset %userprofile%\desktop\netreset.log 1>>%userprofile%\desktop\netfix.log 2>>&1 
if [%1]==[/d] echo errorlevel: %errorlevel% 
if %errorlevel%==0 (
echo Successfully reset TCP/IP 
echo Note: This fix requires a system restart... run "shutdown /a" to abort. 
if exist %windir%\system32\shutdown.exe %windir%\system32\shutdown.exe /r 
) 
if %errorlevel%==1 (echo ERROR: Failed to reset tcp/ip... check netfix.log) 
) else (echo ERROR: Failed to reset tcp/ip - unable to locate %windir%\system32\netsh.exe) 
goto :end 

:winsock 
set p=Resetting Winsock 
if exist %windir%\system32\netsh.exe (
echo. & echo %p% & title %p% & echo ---[%p%]--- >>%userprofile%\desktop\netfix.log 
%windir%\system32\netsh.exe winsock reset 1>>%userprofile%\desktop\netfix.log 2>>&1 
if [%1]==[/d] echo errorlevel: %errorlevel% 
if %errorlevel%==0 (
echo Successfully reset winsock 
echo Note: This fix requires a system restart... run "shutdown /a" to abort. 
if exist %windir%\system32\shutdown.exe %windir%\system32\shutdown.exe /r 
) 
if %errorlevel%==1 (echo Failed to reset winsock... check netfix.log) 
) else (echo ERROR: Failed to reset winsock - unable to locate %windir%\system32\netsh.exe) 
if [%1]==[/d] pause 

:cont 
set p=Renewing IP address 
if exist %windir%\system32\ipconfig.exe (
echo. & echo %p% & title %p% & echo ---[%p%]--- >>%userprofile%\desktop\netfix.log 
%windir%\system32\ipconfig.exe /renew 1>>%userprofile%\desktop\netfix.log 2>>&1 
if [%1]==[/d] echo errorlevel: %errorlevel% 
) else (echo ERROR: Failed to renew IP address - unable to locate %windir%\system32\ipconfig.exe) 
if [%1]==[/d] pause 

set p=Registering DNS name 
if exist %windir%\system32\ipconfig.exe (
echo. & echo %p% & title %p% & echo ---[%p%]--- >>%userprofile%\desktop\netfix.log 
%windir%\system32\ipconfig.exe /registerdns 1>>%userprofile%\desktop\netfix.log 2>>&1 
if [%1]==[/d] echo errorlevel: %errorlevel% 
) else (echo ERROR: Failed to register DNS name - unable to locate %windir%\system32\ipconfig.exe) 

:end 
if exist %windir%\system32\ipconfig.exe (
echo ---[ip configuration]--- >>%userprofile%\desktop\netfix.log 
%windir%\system32\ipconfig.exe /all >>%userprofile%\desktop\netfix.log 2>>&1 
) 
echo. & echo Network Repair Complete! & echo ---[Finished: %d% %t%]--->>%userprofile%\desktop\netfix.log 
set p= & title NetFix v2.0b by Giovanni Heward (g@utahjrs.com) complete! & set t= & set d= 
::********************************************************************************** 
::Added by Hackoo to convert log file to Unicode output on 06/10/2016 
Cmd /U /C Type %userprofile%\desktop\netfix.log > %userprofile%\desktop\netfix.txt 
If exist %userprofile%\desktop\netfix.log Del %userprofile%\desktop\netfix.log 
Start "" %userprofile%\desktop\netfix.txt 
::********************************************************************************** 
pause & exit