根据ip全球定位

亦凉 2022-01-15 23:57 227阅读 0赞

**maven**

<dependency>
                <groupId>com.maxmind.geoip2</groupId>
                <artifactId>geoip2</artifactId>
                <version>2.12.0</version>
            </dependency>
    
            <dependency>
                <groupId>com.maxmind.db</groupId>
                <artifactId>maxmind-db</artifactId>
                <version>1.2.2</version>
            </dependency>

**下载**

精确到国家：[下载][Link 1]

精确到城市：[下载][Link 2]

**使用 **

[参考][Link 3]

public static String getCityInfo(String ip) {
            try {
                InputStream stream = AddressUtils.class.getClassLoader().getResourceAsStream("GeoLite2-City.mmdb");
    
                DatabaseReader reader = new DatabaseReader.Builder(stream).withCache(new CHMCache()).build();
    
                InetAddress ipAddress = InetAddress.getByName(ip);
    
                CityResponse response = reader.city(ipAddress);
    
                Country country = response.getCountry();
                System.out.println(country.getIsoCode());            // 'US'
                System.out.println(country.getName());               // 'United States'
                System.out.println(country.getNames().get("zh-CN")); // '美国'
    
                Subdivision subdivision = response.getMostSpecificSubdivision();
                System.out.println(subdivision.getName());    // 'Minnesota'
                System.out.println(subdivision.getIsoCode()); // 'MN'
    
                City city = response.getCity();
                System.out.println(city.getName()); // 'Minneapolis'
    
                Postal postal = response.getPostal();
                System.out.println(postal.getCode()); // '55455'
    
                Location location = response.getLocation();
                //纬度
                System.out.println(location.getLatitude());  // 44.9733
                //经度
                System.out.println(location.getLongitude()); // -93.2323
            } catch (Exception e) {
                e.printStackTrace();
                log.error("定位异常{}", e.getMessage());
            }
            return null;
        }
    
    
        public static void main(String[] args) {
            System.out.println(getCityInfo("101.105.35.57"));
        }

[Link 1]: https://geolite.maxmind.com/download/geoip/database/GeoLite2-Country.tar.gz
[Link 2]: https://geolite.maxmind.com/download/geoip/database/GeoLite2-City.tar.gz
[Link 3]: http://maxmind.github.io/GeoIP2-java/