工具类封装实战（二）ip工具类
【摘要】
private static final String UNKNOWN = "unknown"; //本地IP private static final String LOCAL_IP = "127.0.0.1"; //服务器IP private static String SERVER_IP = null; ...
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private static final String UNKNOWN = "unknown";
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//本地IP
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private static final String LOCAL_IP = "127.0.0.1";
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//服务器IP
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private static String SERVER_IP = null;
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/**
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* 获取客户单IP地址
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*/
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public static String getClientIp(HttpServletRequest request) {
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String ip = request.getHeader("x-forwarded-for");
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if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
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ip = request.getHeader("Proxy-Client-IP");
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}
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if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
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ip = request.getHeader("WL-Proxy-Client-IP");
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}
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if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
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ip = request.getHeader("HTTP_CLIENT_IP");
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}
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if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
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ip = request.getHeader("HTTP_X_FORWARDED_FOR");
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}
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if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
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ip = request.getRemoteAddr();
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}
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if (StringUtils.equalsIgnoreCase("0:0:0:0:0:0:0:1", ip)) {
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ip = LOCAL_IP;
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}
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return ip;
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}
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/**
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* @param ip
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* @return
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*/
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public static boolean noInternet(String ip) {
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return !isInternet(ip);
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}
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/**
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* 判定是否是内网地址
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*
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* @param ip
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* @return
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*/
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public static boolean isInternet(String ip) {
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if (StringUtils.isEmpty(ip)) {
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return false;
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}
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if (StringUtils.equals("0:0:0:0:0:0:0:1", ip)) {
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return true;
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}
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Pattern reg = Pattern.compile("^(127\\.0\\.0\\.1)|(localhost)|(10\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3})|(172\\.((1[6-9])|(2\\d)|(3[01]))\\.\\d{1,3}\\.\\d{1,3})|(192\\.168\\.\\d{1,3}\\.\\d{1,3})$");
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Matcher match = reg.matcher(ip);
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return match.find();
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}
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/**
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* 获取服务器端的IP
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*/
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public static String getServerIp() {
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if (StringUtils.isNotEmpty(SERVER_IP)) {
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return SERVER_IP;
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}
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try {
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Enumeration<NetworkInterface> allNetInterfaces = NetworkInterface.getNetworkInterfaces();
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while (allNetInterfaces.hasMoreElements()) {
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NetworkInterface netInterface = allNetInterfaces.nextElement();
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String name = netInterface.getName();
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if (!StringUtils.contains(name, "docker") && !StringUtils.contains(name, "lo")) {
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Enumeration<InetAddress> addresses = netInterface.getInetAddresses();
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while (addresses.hasMoreElements()) {
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InetAddress ip = addresses.nextElement();
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//loopback地址即本机地址，IPv4的loopback范围是127.0.0.0 ~ 127.255.255.255
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if (ip != null
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&& !ip.isLoopbackAddress()
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&& !ip.getHostAddress().contains(":")) {
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SERVER_IP = ip.getHostAddress();
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break;
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}
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}
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}
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}
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} catch (Exception e) {
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SERVER_IP = LOCAL_IP;
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}
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return SERVER_IP;
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}
文章来源: baocl.blog.csdn.net，作者：小黄鸡1992，版权归原作者所有，如需转载，请联系作者。
原文链接：baocl.blog.csdn.net/article/details/113336607
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