package com.ruoyi.common.utils;
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import java.net.InetAddress;
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import java.net.NetworkInterface;
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import java.net.SocketException;
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import java.net.UnknownHostException;
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import java.util.Enumeration;
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public class IPUtils {
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public static String getIp() {
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try {
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// 获取所有网络接口
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Enumeration<NetworkInterface> networkInterfaces = NetworkInterface.getNetworkInterfaces();
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while (networkInterfaces.hasMoreElements()) {
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NetworkInterface networkInterface = networkInterfaces.nextElement();
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// 获取每个网络接口的所有IP地址
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Enumeration<InetAddress> inetAddresses = networkInterface.getInetAddresses();
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while (inetAddresses.hasMoreElements()) {
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InetAddress inetAddress = inetAddresses.nextElement();
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// 打印IP地址
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System.out.println("IP address: " + inetAddress.getHostAddress());
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return inetAddress.getHostAddress();
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}
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}
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} catch (SocketException e) {
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e.printStackTrace();
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}
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return null;
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}
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public static String getIp2() {
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try {
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// 获取本地主机
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InetAddress localhost = InetAddress.getLocalHost();
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System.out.println("本机名称: " + localhost.getHostName());
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System.out.println("本机 IP 地址: " + localhost.getHostAddress());
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// 获取所有与本地主机关联的 IP 地址
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InetAddress[] allLocalAddresses = InetAddress.getAllByName(localhost.getHostName());
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for (InetAddress address : allLocalAddresses) {
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System.out.println("本机所有 IP 地址: " + address.getHostAddress());
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return address.getHostAddress();
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}
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} catch (UnknownHostException e) {
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e.printStackTrace();
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}
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return null;
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}
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}
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