kongdeqiang
2024-09-26 7156119e51320afd0ffdd0723cd983fd415d61d9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
package com.boying.util;
 
import javax.servlet.http.HttpServletRequest;
import java.net.InetAddress;
import java.net.UnknownHostException;
 
public class IpUtil {
    public static String getIpAddr1(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")) {
                    // 根据网卡取本机配置的IP
                    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
            if (ipAddress != null && ipAddress.length() > 15) { // "***.***.***.***".length()
                // = 15
                if (ipAddress.indexOf(",") > 0) {
                    ipAddress = ipAddress.substring(0, ipAddress.indexOf(","));
                }
            }
        } catch (Exception e) {
            ipAddress = "";
        }
        // ipAddress = this.getRequest().getRemoteAddr();
 
        return "0:0:0:0:0:0:0:1".equals(ipAddress) ? "127.0.0.1" : ipAddress;
    }
 
    /**
     * 获取真实ip地址,不返回内网地址
     *
     * @param request
     * @return
     */
    public static String getIpAddr2(HttpServletRequest request) {
        //目前则是网关ip
        String ip = request.getHeader("X-Real-IP");
        if (ip != null && !"".equals(ip) && !"unknown".equalsIgnoreCase(ip)) {
            return "0:0:0:0:0:0:0:1".equals(ip) ? "127.0.0.1" : ip;
        }
        ip = request.getHeader("X-Forwarded-For");
        if (ip != null && !"".equals(ip) && !"unknown".equalsIgnoreCase(ip)) {
            int index = ip.indexOf(',');
            if (index != -1) {
                //只获取第一个值
                return ip.substring(0, index);
            } else {
                return "0:0:0:0:0:0:0:1".equals(ip) ? "127.0.0.1" : ip;
            }
        } else {
            //取不到真实ip则返回空,不能返回内网地址。
            return "";
        }
    }
 
 
    //其中ip的获取方式
    public static String getIpAddr(HttpServletRequest request) {
 
        String ip = request.getHeader("x-forwarded-for");
 
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("X-Real-IP");
            //LOGGER.error("X-Real-IP:"+ip);
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("http_client_ip");
//            LOGGER.error("http_client_ip:"+ip);
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
//            LOGGER.error("getRemoteAddr:"+ip);
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("Proxy-Client-IP");
//            LOGGER.error("Proxy-Client-IP:"+ip);
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("WL-Proxy-Client-IP");
//            LOGGER.error("WL-Proxy-Client-IP:"+ip);
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_X_FORWARDED_FOR");
//            LOGGER.error("HTTP_X_FORWARDED_FOR:"+ip);
        }
// 如果是多级代理,那么取第一个ip为客户ip
        if (ip != null && ip.indexOf(",") != -1) {
            ip = ip.substring(ip.lastIndexOf(",") + 1, ip.length()).trim();
//            LOGGER.error("ip:"+ip);
        }
        return "0:0:0:0:0:0:0:1".equals(ip) ? "127.0.0.1" : ip;
    }
 
}