1 package com.wfd360.Util;
2
3 import javax.servlet.http.HttpServletRequest;
4 import java.net.Inet4Address;
5 import java.net.InetAddress;
6 import java.net.NetworkInterface;
7 import java.net.SocketException;
8 import java.util.Enumeration;
9 import java.util.HashMap;
10 import java.util.Map;
11
12 /**
13 * @Copyright (C)
14 * @Author: 姿势帝
15 * @Date: 6/3 16:37
16 * @Description:
17 */
18 public class HostUtil {
19 private static String ipstr = "127.0.0.1";
20 private static Map<String, String> map = new HashMap();
21
22 static {
23 map.put("ip", getLinuxLocalIp());
24 }
25
26 public static String getHostIp() {
27 String ip = map.get("ip");
28 if (ip == null) {
29 String ip1 = getLinuxLocalIp();
30 map.put("ip", ip1);
31 return ip1;
32 }
33 return ip;
34 }
35
36
37 /**
38 * 获取Linux下的IP地址
39 *
40 * @return IP地址
41 * @throws SocketException
42 */
43 private static String getLinuxLocalIp() {
44 String ip = "";
45 try {
46 for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements(); ) {
47 NetworkInterface intf = en.nextElement();
48 String name = intf.getName();
49 if (!name.contains("docker") && !name.contains("lo")) {
50 for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements(); ) {
51 InetAddress inetAddress = enumIpAddr.nextElement();
52 if (!inetAddress.isLoopbackAddress()) {
53 String ipaddress = inetAddress.getHostAddress().toString();
54 if (!ipaddress.contains("::") && !ipaddress.contains("0:0:") && !ipaddress.contains("fe80")) {
55 ip = ipaddress;
56 }
57 }
58 }
59 }
60 }
61 } catch (SocketException ex) {
62 ip = "127.0.0.1";
63 ex.printStackTrace();
64 }
65 return ip;
66 }
67
68 /**
69 * 获取请求者的ip地址
70 *
71 * @param request
72 * @return
73 */
74 public static String getIpAdrress(HttpServletRequest request) {
75 String ip = null;
76
77 //X-Forwarded-For：Squid 服务代理
78 String ipAddresses = request.getHeader("X-Forwarded-For");
79 String unknown = "unknown";
80 if (ipAddresses == null || ipAddresses.length() == 0 || unknown.equalsIgnoreCase(ipAddresses)) {
81 //Proxy-Client-IP：apache 服务代理
82 ipAddresses = request.getHeader("Proxy-Client-IP");
83 }
84
85 if (ipAddresses == null || ipAddresses.length() == 0 || unknown.equalsIgnoreCase(ipAddresses)) {
86 //WL-Proxy-Client-IP：weblogic 服务代理
87 ipAddresses = request.getHeader("WL-Proxy-Client-IP");
88 }
89
90 if (ipAddresses == null || ipAddresses.length() == 0 || unknown.equalsIgnoreCase(ipAddresses)) {
91 //HTTP_CLIENT_IP：有些代理服务器
92 ipAddresses = request.getHeader("HTTP_CLIENT_IP");
93 }
94
95 if (ipAddresses == null || ipAddresses.length() == 0 || unknown.equalsIgnoreCase(ipAddresses)) {
96 //X-Real-IP：nginx服务代理
97 ipAddresses = request.getHeader("X-Real-IP");
98 }
99
100 //有些网络通过多层代理，那么获取到的ip就会有多个，一般都是通过逗号（,）分割开来，并且第一个ip为客户端的真实IP
101 if (ipAddresses != null && ipAddresses.length() != 0) {
102 ip = ipAddresses.split(",")[0];
103 }
104
105 //还是不能获取到，最后再通过request.getRemoteAddr();获取
106 if (ip == null || ip.length() == 0 || unknown.equalsIgnoreCase(ipAddresses)) {
107 ip = request.getRemoteAddr();
108 }
109 return ip;
110 }
111
112
113 }
