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在 win7 批处理文件中从特定 NIC 提取 IP 地址

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在 win7 批处理文件中从特定 NIC 提取 IP 地址

我正在构建一个批处理来自动切换代理配置和相关的 IP 设置，但是我无法提取所需网络适配器的 IP 地址。我有一个“真实”网卡和两个虚拟 Vmware 网卡。

使用以下代码将返回列表中最后一个地址（第二个虚拟网卡），而不是第一个地址。尝试了分隔符/标记设置但无济于事，有人知道如何处理吗？

ipconfig > C:\Windows\Temp\ipconf.txt
for /f "delims=: tokens=2" %%a in ('ipconfig ^| findstr /R /C:"IPv4 Address"') DO ECHO %%a > C:\Windows\Temp\ip.txt
set /p ip= <C:\Windows\Temp\ip.txt

ECHO %ip%

PAUSE

我还必须补充一点，我并不是一位经验丰富的脚本编写者，所以我可能会犯一些（非常）低级的错误。

答案1

尽管我进行了更多的实验，但效果还是很粗糙，因为只返回了第一行的地址。

for /f "tokens=2 delims=:" %%a in ('ipconfig ^| find "IPv4 Address"') do echo %%a >> C:\Windows\Temp\ip.txt
set /p ip= < C:\Windows\Temp\ip.txt

对于那些有兴趣在 win7 中有效地即时切换代理设置的人来说，这里有完整的脚本。它将需要手动编辑 nic 名称、代理、默认网关和 dns 地址条目以进行设置。

@ECHO OFF


REM Elevation changer script, uac prompt called to confirm.

:: BatchGotAdmin
:-------------------------------------
REM  --> Check for permissions
>nul 2>&1 "%SYSTEMROOT%\system32\cacls.exe" "%SYSTEMROOT%\system32\config\system"

REM --> If error flag set, we do not have admin.
if '%errorlevel%' NEQ '0' (
    echo Requesting administrative privileges...
    goto UACPrompt
) else ( goto gotAdmin )

:UACPrompt
    echo Set UAC = CreateObject^("Shell.Application"^) > "%temp%\getadmin.vbs"
    echo UAC.ShellExecute "%~s0", "", "", "runas", 1 >> "%temp%\getadmin.vbs"

    "%temp%\getadmin.vbs"
    exit /B

:gotAdmin
    if exist "%temp%\getadmin.vbs" ( del "%temp%\getadmin.vbs" )
    pushd "%CD%"
    CD /D "%~dp0"
:--------------------------------------


REM Find current state of proxy settings and assign output to variable to make decision: dis- or enable?

REG QUERY "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings" /v ProxyEnable > C:\Windows\Temp\proxyinfo.txt
FOR /f "tokens=3 delims= " %%a IN (C:\Windows\Temp\proxyinfo.txt) DO ECHO %%a > C:\Windows\Temp\proxyval.txt
set /p var= <C:\Windows\Temp\proxyval.txt


REM Find current ip address and assign output to variable to re-insert in config commands 

for /f "tokens=2 delims=:" %%a in ('ipconfig ^| find "IPv4 Address"') do echo %%a >> C:\Windows\Temp\ip.txt
set /p ip= < C:\Windows\Temp\ip.txt


REM Decide action to follow

IF %var% == 0x0 ECHO Proxy is currently disabled.
IF %var% == 0x1 ECHO Proxy is currently enabled.


REM Bailout option

ECHO Switch the proxy state? This will also adjust dns and default gateway settings.
choice /c yn 

if errorlevel 2 GOTO BAIL
if errorlevel 1 GOTO DOIT


:BAIL
ECHO Nothing has changed, run this script again when you made up your mind.
ECHO Press any key to close this window.
GOTO CLEAN


:DOIT

IF %var% == 0x0 GOTO ISDISABLED
IF %var% == 0x1 GOTO ISENABLED


:ISDISABLED

REM Enable all required settings to activate proxy in registry (enable, address, override for local)

ECHO Changing settings to enable proxy now...
reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings" ^
    /v ProxyEnable /t REG_DWORD /d 1 /f > nul
reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings" ^
    /v ProxyServer /t REG_SZ /d 172.16.255.1:8080 /f > nul
reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings" ^
    /v ProxyOverride /t REG_SZ /d  ^<local^>  /f > nul

REM Change dns settings

netsh interface ip set dns "Local Area Connection" static 172.16.100.100 primary n
netsh interface ip add dns "Local Area Connection" 172.16.100.101 index=2 n

REM Change default gateway

netsh interface ip set address "Local Area Connection" static address=%ip% mask=255.255.0.0 gateway=10.100.255.254
ECHO Proxy is now enabled, run this script again to disable. 
ECHO Press any key to close this window.
GOTO CLEAN


:ISENABLED

REM Disable proxy

ECHO Changing settings to disable proxy now...
reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings" ^
    /v ProxyEnable /t REG_DWORD /d 0 /f > nul

REM Change dns settings

netsh interface ip set dns "Local Area Connection" static 8.8.8.8 primary n
netsh interface ip add dns "Local Area Connection" 8.8.4.4 index=2 n

REM Change default gateway

netsh interface ip set address "Local Area Connection" static address=%ip% mask=255.255.0.0 gateway=10.100.255.250
ECHO Proxy is now disabled, run this script again to enable. 
ECHO Press any key to close this window.
GOTO CLEAN


:CLEAN
del C:\Windows\Temp\proxy*.txt
del C:\Windows\Temp\ip*.txt
GOTO END


:END
PAUSE > nul

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