获取Liunx或Windows下面的本地IP地址

红太狼 2022-05-30 05:28 132阅读 0赞

import java.net.InetAddress;
    import java.net.NetworkInterface;
    import java.util.Enumeration;
    /** * 自制工具类 * 用于获取windows与linux系统下的ip地址 * @author chenbin on 2018/02/28 * @version 3.0.0 */ public class IpToolUtil {
    
        public static boolean isWindowOS() {
            boolean isWindowOS = false;
            String osName = System.getProperty("os.name");
            String windows = "windows";
            if (osName.toLowerCase().indexOf(windows) > -1) {
                isWindowOS = true;
            }
            return isWindowOS;
        }
    
        public static InetAddress getInetAddress() {
            InetAddress inetAddress = null;
            try {
                //如果是windows操作系统
                if (isWindowOS()) {
                    inetAddress = InetAddress.getLocalHost();
                } else {
                    boolean bFindIP = false;
                    //定义一个内容都是NetworkInterface的枚举对象
                    Enumeration<NetworkInterface> netInterfaces = (Enumeration<NetworkInterface>)
                            NetworkInterface.getNetworkInterfaces();
                    //如果枚举对象里面还有内容(NetworkInterface)
                    while (netInterfaces.hasMoreElements()) {
                        if (bFindIP) {
                            break;
                        }
                        //获取下一个内容(NetworkInterface)
                        NetworkInterface ni = (NetworkInterface) netInterfaces.nextElement();
                        //----------特定情况，可以考虑用ni.getName判断
                        //遍历所有IP
                        Enumeration<InetAddress> ips = ni.getInetAddresses();
                        while (ips.hasMoreElements()) {
                            inetAddress = (InetAddress) ips.nextElement();
                            //属于本地地址->不是回环地址->地址里面没有:号
                            if (inetAddress.isSiteLocalAddress()        
                                    && !inetAddress.isLoopbackAddress() 
                                    && inetAddress.getHostAddress().indexOf(":") == -1) {
                                //找到了地址
                                bFindIP = true;
                                //退出循环
                                break;              
                            }
                        }
                    }
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
            return inetAddress;
        }
    
        public static String getLocalIP() {
            return getInetAddress().getHostAddress();
        }
    }