public static List<Map<String, String>> getMacAndIp() throws SocketException {
        List<Map<String, String>> listMap = new ArrayList<>();
        // 獲取當前主機的所有網路介面，至少包含一個迴環ip地址 127.0.0.1
        Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
        
 
while (interfaces.hasMoreElements()) {
            // 當前節點
            NetworkInterface anInterface = interfaces.nextElement();
            Enumeration<InetAddress> addresses = anInterface.getInetAddresses();
            // 該網絡卡介面下的ip會有多個，也需要一個個的遍歷，找到自己所需要的
            while (addresses.hasMoreElements()) {
                InetAddress inetAddress 
 
= addresses.nextElement();
                Map<String, String> map = new HashMap<>(3);
                // 排除迴環地址，不是迴環的地址
                if (!inetAddress.isLoopbackAddress() && inetAddress.isSiteLocalAddress()) { // 是否本地迴環地址 是 返回 true
                    // 獲取 MAC地址
                    NetworkInterface network = NetworkInterface.getByInetAddress(inetAddress);
                    
 
byte[] mac = network.getHardwareAddress();
                    StringBuilder macs = new StringBuilder();
                    for (int i = 0; i < mac.length; i++) {
                        // 格式化十六進位制
                        macs.append(String.format("%02X%s", mac[i], (i < mac.length - 1) ? "-" : ""));
                    }
                    map.put("mac", macs.toString());
                    map.put("ip", inetAddress.getHostAddress());
                    map.put("name", inetAddress.getHostName());
                    listMap.add(map);
                }
            }
        }
        return listMap;
    }