// 获取ip地址 public static String getIpAddress() { try { Enumeration<NetworkInterface> allNetInterfaces = NetworkInterface.getNetworkInterfaces(); InetAddress ip = null; while (allNetInterfaces.hasMoreElements()) { NetworkInterface netInterface = (NetworkInterface)allNetInterfaces.nextElement(); if (netInterface.isLoopback() || netInterface.isVirtual() || !netInterface.isUp()) { continue; } else { Enumeration<InetAddress> addresses = netInterface.getInetAddresses(); while (addresses.hasMoreElements()) { ip = addresses.nextElement(); if (ip != null && ip instanceof Inet4Address) { return ip.getHostAddress(); } } } } } catch (Exception e) { System.out.println("获取IP失败!!!!"); } return ""; } // 获取mac地址 public static String getMacAddress() { try { Enumeration<NetworkInterface> allNetInterfaces = NetworkInterface.getNetworkInterfaces(); byte[] mac = null; while (allNetInterfaces.hasMoreElements()) { NetworkInterface netInterface = (NetworkInterface)allNetInterfaces.nextElement(); if (netInterface.isLoopback() || netInterface.isVirtual() || !netInterface.isUp()) { continue; } else { mac = netInterface.getHardwareAddress(); if (mac != null) { StringBuilder sb = new StringBuilder(); for (int i = 0; i < mac.length; i++) { sb.append(String.format("%02X%s", mac[i], (i < mac.length - 1) ? "-" : "")); } if (sb.length() > 0) { return sb.toString(); } } } } } catch (Exception e) { System.out.println(("MAC地址获取失败")); } return ""; }
java 获取IP和MAC
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转载自1432429367.iteye.com/blog/2348010
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