java获取客户端真实ip

发表于 分类于 阅读次数： 本文字数： 92 阅读时长 ≈ 1 分钟

通过request获取客户端请求的真实ip。

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
/**
 * @Description: 获取真实ip地址
 * @author: fallsea
 * @date: 2017年10月22日 下午9:26:27
 * @param request
 * @return
 */
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("Proxy-Client-IP");
    }
    if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
    {
        ip = request.getHeader("WL-Proxy-Client-IP");
    }
    if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
    {
        ip = request.getRemoteAddr();
    }
    return ip;
}