在Java中想要使用这个数据文件需要下载相应的Jar包和dat文件： GeoIP jar包：geoip-api-1.3.1.jar Geo city dat文件：GeoLiteCity.dat 把dat文件放在自己的本地目录，然后项目中导入geoip.jar即可： import com.maxmind.geoip.Location; import com.maxmind.geoip.LookupService; import java.io.IOException; public class
GeoIP Legacy Java API Important Note This API is for the GeoIP Legacy format (dat). To read the MaxMind DB format (mmdb) used by GeoIP2, please see our GeoIP2 Java API. Define Your Dependencies We recommend installing this package with Maven. To do
