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GetIPUtils.java
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51 lines (48 loc) · 1.22 KB
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package com.xly.utils;/**
* @author DELL
* @date 2018/5/28
*/
import javax.servlet.http.HttpServletRequest;
/**
*
* @author DELL
* @date 2018/5/28 18:20
**/
public class GetIPUtils {
/**
* 获取客户端ip地址
*
* @param request HttpServletRequest 对象
* @return ip地址
*/
public static String getIpAddr(HttpServletRequest request) {
String ip = request.getHeader("X-Forwarded-For");
if (ipNotExist(ip)) {
ip = request.getHeader("Proxy-Client-IP");
}
if (ipNotExist(ip)) {
ip = request.getHeader("WL-Proxy-Client-IP");
}
if (ipNotExist(ip)) {
ip = request.getHeader("HTTP_CLIENT_IP");
}
if (ipNotExist(ip)) {
ip = request.getHeader("HTTP_X_FORWARDED_FOR");
}
if (ipNotExist(ip)) {
ip = request.getRemoteAddr();
}
//"***.***.***.***".length() = 15
int ipMaxLen = 15;
//对于通过多个代理的情况，第一个IP为客户端真实IP
if (ip != null && ip.length() > ipMaxLen) {
ip = ip.split(",")[0];
}
return ip;
}
private static Boolean ipNotExist(String ip) {
// 未获取标识
String unKnow = "unknown";
return !(ip != null && ip.length() != 0 && !unKnow.equalsIgnoreCase(ip));
}
}