根据IP获取国家代码

pom.xml

<dependency> <groupId>com.maxmind.geoip2</groupId> <artifactId>geoip2</artifactId> <version>2.9.0</version> </dependency>

示例

System.out.println(GeoIpUtils.getCountryName("113.116.217.190")); // China System.out.println(GeoIpUtils.getCountryCode("113.116.217.190")); // CN

GeoIpUtils.java

import java.io.File; import java.net.InetAddress; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.maxmind.geoip2.DatabaseReader; import com.maxmind.geoip2.model.CountryResponse; import com.maxmind.geoip2.record.Country; /** * @Description: geoip工具类 */ public class GeoIpUtils { private final static Logger logger = LoggerFactory.getLogger(GeoIpUtils.class); private static DatabaseReader reader; private static DatabaseReader getReader(){ try{ if(reader == null){ logger.warn("打开ip数据库"); File database = new File(GeoIpUtils.class.getClassLoader().getResource("geoip/GeoLite2-Country.mmdb").getFile()); // 附件下载百度云地址https://pan.baidu.com/s/1ENqTeCoMIWJMbh88nYU5gg reader = new DatabaseReader.Builder(database).build(); } return reader; }catch(Exception e){ return reader; } } /** * 根据ip获取国家对象,不存在则返回null * @param ip * @return */ public static Country getCountry(String ip){ try{ InetAddress ipAddress = InetAddress.getByName(ip); CountryResponse response = getReader().country(ipAddress); Country country = response.getCountry(); return country; }catch(Exception e){ return null; } } /** * 根据ip获取国家代码,不存在则返回null * @param ip * @return */ public static String getCountryCode(String ip){ Country country = getCountry(ip); return country != null ? country.getIsoCode() : null; } /** * 根据ip获取国家名称,不存在则返回null * @param ip * @return */ public static String getCountryName(String ip){ Country country = getCountry(ip); return country != null ? country.getName() : null; } }