获取请求来源ip代码：文章来源：https://www.toymoban.com/news/detail-510927.html
blic class CusAccessObjectUtil {
11
12 /**
13 * 获取用户真实IP地址，不使用request.getRemoteAddr();的原因是有可能用户使用了代理软件方式避免真实IP地址,
14 *
16 * 可是，如果通过了多级反向代理的话，X-Forwarded-For的值并不止一个，而是一串IP值，究竟哪个才是真正的用户端的真实IP呢？
17 * 答案是取X-Forwarded-For中第一个非unknown的有效IP字符串。
18 *
19 * 如：X-Forwarded-For：192.168.1.110, 192.168.1.120, 192.168.1.130,
20 * 192.168.1.100
21 *
22 * 用户真实IP为： 192.168.1.110
23 *
24 * @param request
25 * @return
26 */
27 public static String getIpAddress(HttpServletRequest request) {
28 String ip = request.getHeader("x-forwarded-for");
29 if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
30 ip = request.getHeader("Proxy-Client-IP");
31 }
32 if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
33 ip = request.getHeader("WL-Proxy-Client-IP");
34 }
35 if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
36 ip = request.getHeader("HTTP_CLIENT_IP");
37 }
38 if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
39 ip = request.getHeader("HTTP_X_FORWARDED_FOR");
40 }
41 if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
42 ip = request.getRemoteAddr();
43 }
44 return ip;
45 } 获取请求来源端口代码:文章来源地址https://www.toymoban.com/news/detail-510927.html
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