通过IP获取物理地址 – 淘宝IP地址库 – IP工具类 – Hutool应用

这里借助淘宝IP地址库查询工具：https://ip.taobao.com/ipSearch 然后抓取请求，然后Java发送请求处理响应实现的。

下面代码是我建站早期发表的文章演进过来的：https://www.zanglikun.com/855.html 。如果想了解操作淘宝IP地址库，请前往查看。

import cn.hutool.http.HttpUtil;
import com.alibaba.fastjson.JSON;

import javax.servlet.http.HttpServletRequest;
import java.util.HashMap;
import java.util.Map;

/**
 * @author : zanglikun
 * @date : 2020/8/6 11:03
 * @Version: 1.0
 * @Desc : 获取IP 与 地理位置
 */
public class IpGeoUtils {

    /**
     * 传入Request 获取真实IP
     *
     * @param request
     * @return
     */
    public static String getRealIP(HttpServletRequest request) {
        String ip = request.getHeader("x-forwarded-for");
        //System.out.println("x-forwarded-for ip: " + ip);
        if (ip != null && ip.length() != 0 && !"unknown".equalsIgnoreCase(ip)) {
            // 多次反向代理后会有多个ip值，第一个ip才是真实ip
            if (ip.indexOf(",") != -1) {
                ip = ip.split(",")[0];
            }
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("Proxy-Client-IP");
            //System.out.println("Proxy-Client-IP ip: " + ip);
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("WL-Proxy-Client-IP");
            //System.out.println("WL-Proxy-Client-IP ip: " + ip);
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_CLIENT_IP");
            //System.out.println("HTTP_CLIENT_IP ip: " + ip);
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_X_FORWARDED_FOR");
            //System.out.println("HTTP_X_FORWARDED_FOR ip: " + ip);
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("X-Real-IP");
            //System.out.println("X-Real-IP ip: " + ip);
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
            //System.out.println("getRemoteAddr ip: " + ip);
        }
        System.out.println("getRealIP2 获取客户端ip: " + ip);
        return ip;

    }

    /**
     * 根据IP获取地理位置
     *
     * @param ip
     * @return
     */
    public static String getRealGeo(String ip) {
        try {
            HashMap<String, Object> paramMap = new HashMap<>();
            paramMap.put("ip", ip);
            paramMap.put("accessKey", "alibaba-inc");
            String result1 = HttpUtil.post("http://ip.taobao.com/outGetIpInfo", paramMap);
            Map jsonmap = (Map) JSON.parse(result1);
            Map<String, String> datamap = (Map) JSON.parse(jsonmap.get("data").toString());
            //System.out.println("判断下请求是否拿到数据了 (如果是0，那么完蛋，啥也没拿到):" + datamap.size());
        /*
        System.out.println("ip is：" + datamap.get("queryIp"));
        System.out.println("国家 is：" + datamap.get("country"));
        System.out.println("省份 is：" + datamap.get("region"));
        System.out.println("市 is：" + datamap.get("city"));
        System.out.println("运营商 is：" + datamap.get("isp"));
         */
            return datamap.get("country") + " " + datamap.get("region") + " " + datamap.get("city") + " " + datamap.get("isp");
        } catch (Exception e) {
        }
        return "";
    }

    /**
     * @param request
     */
    public static void check(HttpServletRequest request) {
        String realIP = getRealIP(request);
        String realGeo = getRealGeo(realIP);
        System.out.println(realIP + "--->" + realGeo);
    }

}