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53 lines
2.1 KiB
53 lines
2.1 KiB
3 months ago
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Linq;
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using System.Net;
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using System.Net.NetworkInformation;
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using System.Net.Sockets;
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namespace SunlightAggregationManager.UserClass
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{
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public class GetLocalIP
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{
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public static string GetLocalIPv4Address()
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{
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// 获取所有网络接口
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var networkInterfaces = NetworkInterface.GetAllNetworkInterfaces();
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foreach (var ni in networkInterfaces)
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{
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// 筛选条件：
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// 1. 网卡状态为 Up (已连接)
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// 2. 排除虚拟网卡、回环网卡、隧道网卡
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// 3. 支持 IPv4
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if (ni.OperationalStatus == OperationalStatus.Up &&
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ni.NetworkInterfaceType != NetworkInterfaceType.Loopback &&
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ni.NetworkInterfaceType != NetworkInterfaceType.Tunnel &&
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!ni.Description.Contains("Virtual") && // 排除常见的虚拟网卡描述
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ni.Supports(NetworkInterfaceComponent.IPv4))
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{
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var ipProperties = ni.GetIPProperties();
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// 获取单播地址（即分配的 IP 地址）
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var unicastAddresses = ipProperties.UnicastAddresses;
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foreach (var ua in unicastAddresses)
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{
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// 筛选出 IPv4 地址，且排除 127.0.0.1 回环地址
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if (ua.Address.AddressFamily == AddressFamily.InterNetwork && !IPAddress.IsLoopback(ua.Address))
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{
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// 优先返回有默认网关的地址（通常是当前正在上网的主网卡）
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if (ipProperties.GatewayAddresses.Any(g => g.Address.AddressFamily == AddressFamily.InterNetwork))
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{
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return ua.Address.ToString();
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}
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}
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}
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}
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}
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return "未找到有效的局域网IPv4地址";
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}
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}
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}
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