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@@ -14,47 +14,58 @@ import javax.servlet.http.HttpServletRequest;
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* @url www.chenlintech.com
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* @date 2017年8月8日 下午12:02:56
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*/
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-public class IPUtils {
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+public class IpUtils {
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- private static Logger logger = LoggerFactory.getLogger(IPUtils.class);
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+ private static Logger LOG = LoggerFactory.getLogger(IpUtils.class);
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/**
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* 获取IP地址
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- *
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+ *
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* 使用Nginx等反向代理软件, 则不能通过request.getRemoteAddr()获取IP地址
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* 如果使用了多级反向代理的话,X-Forwarded-For的值并不止一个,而是一串IP地址,X-Forwarded-For中第一个非unknown的有效IP字符串,则为真实IP地址
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*/
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public static String getIpAddr(HttpServletRequest request) {
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- String ip = null;
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+ String ip = null, unknown = "unknown", seperator = ",";
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+ int maxLength = 15;
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try {
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ip = request.getHeader("x-forwarded-for");
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- if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
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+ if (StringUtils.isEmpty(ip) || unknown.equalsIgnoreCase(ip)) {
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ip = request.getHeader("Proxy-Client-IP");
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}
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- if (StringUtils.isEmpty(ip) || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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+ if (StringUtils.isEmpty(ip) || 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 (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
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+ if (StringUtils.isEmpty(ip) || unknown.equalsIgnoreCase(ip)) {
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ip = request.getHeader("HTTP_CLIENT_IP");
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}
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- if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
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+ if (StringUtils.isEmpty(ip) || unknown.equalsIgnoreCase(ip)) {
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ip = request.getHeader("HTTP_X_FORWARDED_FOR");
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}
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- if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
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+ if (StringUtils.isEmpty(ip) || unknown.equalsIgnoreCase(ip)) {
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ip = request.getRemoteAddr();
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}
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} catch (Exception e) {
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- logger.error("IPUtils ERROR ", e);
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+ LOG.error("IpUtils ERROR ", e);
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}
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// 使用代理,则获取第一个IP地址
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- if (StringUtils.isEmpty(ip) && ip.length() > 15) {
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- if (ip.indexOf(",") > 0) {
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- ip = ip.substring(0, ip.indexOf(","));
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+ if (StringUtils.isEmpty(ip) && ip.length() > maxLength) {
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+ int idx = ip.indexOf(seperator);
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+ if (idx > 0) {
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+ ip = ip.substring(0, idx);
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}
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}
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return ip;
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}
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+ /**
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+ * 获取ip地址
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+ * @return
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+ */
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+ public static String getIpAddr() {
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+ HttpServletRequest request = HttpContextUtils.getHttpServletRequest();
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+ return getIpAddr(request);
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+ }
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+
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}
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