java根据ip获取经纬度城市地址

比眉伴天荒 2023-06-18 10:52 248阅读 0赞

## 需要 GeoIP ##

IP地理位置使用  
IP地理定位本质上是不精确的。位置通常靠近人口中心。GeoIP数据库提供的任何位置均不得用于识别特定地址或家庭。

使用Accuracy Radius作为我们为IP地址返回的纬度和经度坐标的地理位置精度的指示。IP地址的实际位置可能在此半径以及经纬度坐标定义的区域内。  
![如图][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwODExMTcx_size_16_color_FFFFFF_t_70]  
[下载链接][Link 1]

## pom ##

<dependency>
    		    <groupId>com.maxmind.geoip2</groupId>
    		    <artifactId>geoip2</artifactId>
    		    <version>2.8.1</version>
    		</dependency>

## 测试和工具 ##

package com.sh.util;
    
    import java.io.File;
    import java.io.IOException;
    import java.net.InetAddress;
    
    import javax.servlet.http.HttpServletRequest;
    
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    
    import com.aliyuncs.utils.StringUtils;
    import com.maxmind.geoip2.DatabaseReader;
    
    /** * * @description: 获取客户端IP地址 * @author: paulandcode * @email: paulandcode@gmail.com * @since: 2018年9月17日 下午3:44:51 */
    public class IPUtils { 
        private static Logger logger = LoggerFactory.getLogger(IPUtils.class);
    
        /** * 获取客户端IP地址 * * 使用Nginx等反向代理软件， 则不能通过request.getRemoteAddr()获取IP地址 * 如果使用了多级反向代理的话，X-Forwarded-For的值并不止一个，而是一串IP地址，X-Forwarded-For中第一个非unknown的有效IP字符串，则为真实IP地址 */
        public static String getIP(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);
            }
            return ip;
        }
    
        /** * * @description: 获得国家 * @param reader * @param ip * @return * @throws Exception */
        public static String getCountry(DatabaseReader reader, String ip) throws Exception { 
            return reader.city(InetAddress.getByName(ip)).getCountry().getNames().get("zh-CN");
        }
    
        /** * * @description: 获得省份 * @param reader * @param ip * @return * @throws Exception */
        public static String getProvince(DatabaseReader reader, String ip) throws Exception { 
            return reader.city(InetAddress.getByName(ip)).getMostSpecificSubdivision().getNames().get("zh-CN");
        }
    
        /** * * @description: 获得城市 * @param reader * @param ip * @return * @throws Exception */
        public static String getCity(DatabaseReader reader, String ip) throws Exception { 
            return reader.city(InetAddress.getByName(ip)).getCity().getNames().get("zh-CN");
        }
        
        /** * * @description: 获得经度 * @param reader * @param ip * @return * @throws Exception */
        public static Double getLongitude(DatabaseReader reader, String ip) throws Exception { 
            return reader.city(InetAddress.getByName(ip)).getLocation().getLongitude();
        }
        
        /** * * @description: 获得纬度 * @param reader * @param ip * @return * @throws Exception */
        public static Double getLatitude(DatabaseReader reader, String ip) throws Exception { 
            return reader.city(InetAddress.getByName(ip)).getLocation().getLatitude();
        }
        
        public static void main(String[] args) throws Exception { 
        	// String path = req.getSession().getServletContext().getRealPath("/WEB-INF/classes/GeoLite2-City.mmdb");
        	String path = "E:/GeoLite2-City.mmdb";
        	// 创建 GeoLite2 数据库
        	File database = new File(path);
        	// 读取数据库内容
        	DatabaseReader reader = new DatabaseReader.Builder(database).build();
        	// 访问IP
        	String ip = "180.109.64.94";
        	String site = IPUtils.getCountry(reader, ip) + "-" + IPUtils.getProvince(reader, ip) + "-" + IPUtils.getCity(reader, ip)+ "-" + IPUtils.getLongitude(reader, ip)+ "-" + IPUtils.getLatitude(reader, ip);
        	
        	System.out.println(site);
    	}
    }

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwODExMTcx_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20191201223027149.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwODExMTcx,size_16,color_FFFFFF,t_70
[Link 1]: https://dev.maxmind.com/geoip/geoip2/geolite2/?spm=a2c4e.10696291.0.0.726219a4u45jAI