Loading... ``` package cn.dz.util; import javax.servlet.http.HttpServletRequest; import java.net.InetAddress; import java.net.UnknownHostException; /** * @Author 茶白 * @Description TODO * @Date 2017/11/25 0:16 * @Project Eliminate */ public class GetIpAddressUtil { private static final String UNKNOWN = "unknown"; private static final String LOCALHOST = "127.0.0.1"; private static final String SEPARATOR = ","; public static String getIpAddr(HttpServletRequest request) { System.out.println(request); String ipAddress; 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 (LOCALHOST.equals(ipAddress)) { InetAddress inet = null; try { inet = InetAddress.getLocalHost(); } catch (UnknownHostException e) { e.printStackTrace(); } ipAddress = inet.getHostAddress(); } } // 对于通过多个代理的情况,第一个IP为客户端真实IP,多个IP按照','分割 // "***.***.***.***".length() if (ipAddress != null && ipAddress.length() > 15) { if (ipAddress.indexOf(SEPARATOR) > 0) { ipAddress = ipAddress.substring(0, ipAddress.indexOf(",")); } } } catch (Exception e) { ipAddress = ""; } return ipAddress; } } ``` 最后修改:2021 年 03 月 31 日 © 允许规范转载 打赏 赞赏作者 微信 赞 0 如果觉得我的文章对你有用,请随意赞赏
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