工具類：

import javax.servlet.http.HttpServletRequest;import java.net.InetAddress;import java.net.UnknownHostException; /** * @Author : JCccc * @CreateTime : 2018-11-23 * @Description : * @Point: Keep a good mood **/public class IpUtil { public static String getIpAddr(HttpServletRequest request) {String ipAddress = null;try { ipAddress = request.getHeader('x-forwarded-for'); if (ipAddress == null || ipAddress.length() == 0 || 'unknown'.equalsIgnoreCase(ipAddress)) {ipAddress = request.getHeader('Proxy-Client-IP'); } if (ipAddress == null || ipAddress.length() == 0 || 'unknown'.equalsIgnoreCase(ipAddress)) {ipAddress = request.getHeader('WL-Proxy-Client-IP'); } if (ipAddress == null || ipAddress.length() == 0 || 'unknown'.equalsIgnoreCase(ipAddress)) {ipAddress = request.getRemoteAddr();if (ipAddress.equals('127.0.0.1')) { // 根據網卡取本機配置的IP InetAddress inet = null; try {inet = InetAddress.getLocalHost(); } catch (UnknownHostException e) {e.printStackTrace(); } ipAddress = inet.getHostAddress();} } // 對于通過多個代理的情況，第一個IP為客戶端真實IP,多個IP按照’,’分割 if (ipAddress != null && ipAddress.length() > 15) { // '***.***.***.***'.length()// = 15if (ipAddress.indexOf(',') > 0) { ipAddress = ipAddress.substring(0, ipAddress.indexOf(','));} }} catch (Exception e) { ipAddress='';}// ipAddress = this.getRequest().getRemoteAddr(); return ipAddress; }}

方法調用：

(當接口 /test 被調用，request就能自動獲取出來，然后調用工具類方法進行解析獲取了。)

@RequestMapping(value = '/test', method = RequestMethod.GET)public String test(HttpServletRequest request){ //獲取IP地址 String ipAddress =IpUtil.getIpAddr(request); return ipAddress;}

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