/**
 * IP工具类
 *
 * @author Lenjor
 * @version 1.0
 * @date 2020/12/31 11:21
 */
public class IpUtil {
    public static void main(String[] args) {
        String ip = "117.136.12.79";
        try {
            // 读取当前工程下的IP库文件
            URL countryUrl = IpUtil.class.getClassLoader().getResource("GeoLite2-Country.mmdb");
            URL cityFileUrl = IpUtil.class.getClassLoader().getResource("GeoLite2-City.mmdb");
            File countryFile = new File(countryUrl.getPath());
            File cityFile = new File(cityFileUrl.getPath());

            // 读取IP库文件
            DatabaseReader countryReader = (new DatabaseReader.Builder(countryFile).withCache(new CHMCache())).build();
            DatabaseReader cityReader = (new DatabaseReader.Builder(cityFile).withCache(new CHMCache())).build();
            CountryResponse countryResponse = countryReader.country(InetAddress.getByName(ip));
            Country country = countryResponse.getCountry();
            CityResponse cityResponse = cityReader.city(InetAddress.getByName(ip));
            City city = cityResponse.getCity();

            System.out.println("从country IP库读取国家结果： " + country);
            System.out.println("从city IP库读取国家结果：" + cityResponse.getCountry());
            System.out.println("从city IP库读取城市结果：" + city);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}