本文介绍了.NET Core 2.x如何获取当前活动的本地网络IPv4地址?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

在其上运行WebService.就像我可以在cmd.exe > ipconfig中得到的那样:

On which is running the WebService. Like the one I can get in cmd.exe > ipconfig:

我想实现的是Kestrel的自动IP配置,例如:

What I would like to achieve is automatic IP configuration of Kestrel, like:

.UseKestrel(opts => 
    { 
        opts.Listen(/*LocalIPv4ActiveAddress*/, 5000);
    }) 

因此,我可以使用不同的活动网络接口(WiFi ||以太网)和不同的本地IP地址来切换我的开发机器.

So I can switch my development machines with different active network interfaces (WiFi || Ethernet) and different local network IP addresses.

推荐答案

您可以尝试执行以下操作:

You can try something like this:

// order interfaces by speed and filter out down and loopback
// take first of the remaining
var firstUpInterface = NetworkInterface.GetAllNetworkInterfaces()
    .OrderByDescending(c => c.Speed)
    .FirstOrDefault(c => c.NetworkInterfaceType != NetworkInterfaceType.Loopback && c.OperationalStatus == OperationalStatus.Up);
if (firstUpInterface != null) {
    var props = firstUpInterface.GetIPProperties();
    // get first IPV4 address assigned to this interface
    var firstIpV4Address = props.UnicastAddresses
        .Where(c => c.Address.AddressFamily == AddressFamily.InterNetwork)
        .Select(c => c.Address)
        .FirstOrDefault();
}

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10-30 05:37