java如何通过IP解析地理位置

import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.Enumeration;
 
import javax.servlet.http.httpservletRequest;
 
public class IpUtils {
 
	private static final String[] HEADERS = { 
        "X-Forwarded-For",
        "Proxy-Client-IP",
        "WL-Proxy-Client-IP",
        "HTTP_X_FORWARDED_FOR",
        "HTTP_X_FORWARDED",
        "HTTP_X_CLUSTER_CLIENT_IP",
        "HTTP_CLIENT_IP",
        "HTTP_FORWARDED_FOR",
        "HTTP_FORWARDED",
        "HTTP_VIA",
        "REMOTE_ADDR",
        "X-Real-IP"
	};
	
	
	public static boolean isEmptyIp(final String ip){
        return (ip == null || ip.length() == 0 || ip.trim().equals("") || "unknown".equalsIgnoreCase(ip));
    }
	
	
	
	public static boolean isNotEmptyIp(final String ip){
        return !isEmptyIp(ip);
    }
	
	
    public static String getIpAddress(HttpServletRequest request) {
    	String ip = "";
    	for (String header : HEADERS) {
            ip = request.getHeader(header);
            if(isNotEmptyIp(ip)) {
            	 break;
            }
        }
        if(isEmptyIp(ip)){
        	ip = request.getRemoteAddr();
        }
        if(isNotEmptyIp(ip) && ip.contains(",")){
        	ip = ip.split(",")[0];
        }
        if("0:0:0:0:0:0:0:1".equals(ip)){
            ip = "127.0.0.1";
        }
        return ip;
    }
	
    
    
	public String getLocalHostIP() throws Exception{
		Enumeration<NetworkInterface> allNetInterfaces = NetworkInterface.getNetworkInterfaces();
		String localHostAddress = "";
		while(allNetInterfaces.hasMoreElements()){
			NetworkInterface networkInterface = allNetInterfaces.nextElement();
			Enumeration<InetAddress> address = networkInterface.getInetAddresses();
			while(address.hasMoreElements()){
				InetAddress inetAddress = address.nextElement();
				if(inetAddress != null && inetAddress instanceof Inet4Address){
					localHostAddress = inetAddress.getHostAddress();
				}
			}
		}
		return localHostAddress;
	}
}

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.MalfORMedURLException;
import java.net.URL;
import java.net.URLConnection;
 
import org.JSON.jsONException;
import org.json.JSONObject;
 
public class Ip2LocationViaBaidu {
	
	public static Object[] getLocation(String ip) throws IOException, JSONException {
		String lng = null;// 经度
		String lat = null;// 纬度
		String province=null;//省
		String city = null;// 城市名
		
		
		String status = "0";// 成功
		String ipString = null;
		String jsonData = ""; // 请求服务器返回的json字符串数据
		
		try {
			ipString = java.net.URLEncoder.encode(ip, "UTF-8");
		} catch (UnsupportedEncodingException e1) {
			e1.printStackTrace();
		}
		
	    
		String key = "*************";// 百度密钥(AK)，此处换成自己的AK
		String url = String.format("https://api.map.baidu.com/location/ip?ak=%s&ip=%s&coor=bd09ll", key, ipString);// 百度普通IP定位API
		URL myURL = null;
		URLConnection httpsConn = null;
		try {
			myURL = new URL(url);
		} catch (MalformedURLException e) {
			e.printStackTrace();
		}
		InputStreamReader insr = null;
		BufferedReader br = null;
		try {
			httpsConn = (URLConnection) myURL.openConnection();// 不使用代理
			if (httpsConn != null) {
				insr = new InputStreamReader(httpsConn.getInputStream(), "UTF-8");
				br = new BufferedReader(insr);
				String data = null;
				int count = 1;
				while ((data = br.readLine()) != null) {
					jsonData += data;
				}
				JSONObject jsonObj = new JSONObject(jsonData);
				if ("0".equals(jsonObj.getString("status"))) {
					province = jsonObj.getJSONObject("content").getJSONObject("address_detail").getString("province");
					city = jsonObj.getJSONObject("content").getJSONObject("address_detail").getString("city");
 
					lng = jsonObj.getJSONObject("content").getJSONObject("point").getString("x");
					lat = jsonObj.getJSONObject("content").getJSONObject("point").getString("y");
					if (city.isEmpty() || lng.isEmpty() || lat.isEmpty()) {
						status = "2";// API返回数据不完整
					}
				} else {
					status = "1";// API查询失败
				}
			}
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			if (insr != null) {
				insr.close();
			}
			if (br != null) {
				br.close();
			}
		}
		return new Object[] { status, province, city, lng, lat };
	}
}

{  
    address: "CN|北京|北京|None|CHINANET|1|None",    #地址  
    content:    #详细内容  
    {  
        address: "北京市",    #简要地址  
        address_detail:    #详细地址信息  
        {  
            city: "北京市",    #城市  
            city_code: 131,    #百度城市代码  
            district: "",    #区县  
            province: "北京市",    #省份  
            street: "",    #街道  
            street_number: ""    #门址  
        },  
        point:    #当前城市中心点  
        {  
            x: "116.39564504",  
            y: "39.92998578"  
        }  
    },  
    status: 0    #返回状态码  
}

<dependency>
	<groupId>com.alibaba</groupId>
	<artifactId>fastjson</artifactId>
	<version>1.2.3</version>
</dependency>

package com.shucha.deveiface.biz.test;
 
 

 
import cn.hutool.core.util.StrUtil;
import cn.hutool.http.HttpUtil;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.itextpdf.text.log.Logger;
import com.itextpdf.text.log.LoggerFactory;
import lombok.Data;
import org.apache.commons.lang3.StringUtils;
import javax.servlet.http.HttpServletRequest;
public class iptes {
    private static Logger logger = LoggerFactory.getLogger(iptes.class);
 
    
    public static String getIpAddr(HttpServletRequest request) {
        String ip = null;
        try {
            ip = request.getHeader("x-forwarded-for");
            if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
                ip = request.getHeader("Proxy-Client-IP");
            }
            if (StringUtils.isEmpty(ip) || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
                ip = request.getHeader("WL-Proxy-Client-IP");
            }
            if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
                ip = request.getHeader("HTTP_CLIENT_IP");
            }
            if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
                ip = request.getHeader("HTTP_X_FORWARDED_FOR");
            }
            if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
                ip = request.getRemoteAddr();
            }
        } catch (Exception e) {
            logger.error("IPUtils ERROR ", e);
        }
 
        //使用代理，则获取第一个IP地址
        if(StringUtils.isEmpty(ip) ) {
            if(ip.indexOf(",") > 0) {
                ip = ip.substring(0, ip.indexOf(","));
            }
        }
 
        return ip;
    }
 
    
    public static IpAddress getAddress(String ip) {
        String url = "http://ip.ws.126.net/ipquery?ip=" + ip;
        String str = HttpUtil.get(url);
        if(!StrUtil.hasBlank(str)){
            String substring = str.substring(str.indexOf("{"), str.indexOf("}")+1);
            JSONObject jsonObject = JSON.parseObject(substring);
            String province = jsonObject.getString("province");
            String city = jsonObject.getString("city");
            IpAddress ipAddress = new IpAddress();
            ipAddress.setProvince(province);
            ipAddress.setCity(city);
            System.out.println("ip："+ ip + "，省份：" + province + "，城市：" + city);
            return ipAddress;
        }
        return null;
    }
 
    @Data
    public static class IpAddress{
        private String province;
        private String city;
    }
 
    public static void main(String[] args) {
        System.out.println(getAddress("36.25.225.250"));
    }
 
}