99% 准确的定位工具ip2region_lionsoul-优快云博客

本文链接：https://blog.youkuaiyun.com/qq_28340701/article/details/137471470

文章介绍了如何在SpringBoot项目中使用lionsoul/ip2region库进行IP地址到地理位置的查询，并展示了如何创建Searcher对象、查询IP并处理并发情况。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

参考github：https://github.com/lionsoul2014/ip2region/blob/master/data/ip2region.xdb

<dependency>
    <groupId>org.lionsoul</groupId>
    <artifactId>ip2region</artifactId>
    <version>2.7.0</version>
</dependency>

在这里插入图片描述

package com.sun.springboot.controller.test;

import org.lionsoul.ip2region.xdb.Searcher;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
import org.springframework.stereotype.Component;
import org.springframework.util.ResourceUtils;

import java.io.IOException;
import java.net.URL;
import java.util.concurrent.TimeUnit;
/**
 * @author Mr.sunql
 * @description
 * @date Created in17:34 2024/4/7
 */
@Component
public class SearcherTest {

    @Autowired
    private ResourceLoader resourceLoader;

        public static void main(String[] args) {
            // 1、创建 searcher 对象


            Searcher searcher = null;
            try {
//                URL url = ResourceUtils.getURL("classpath:ip2region.xdb");
//                System.out.println(url);
                ClassPathResource classPathResource=new ClassPathResource("ip2region.xdb");
                String dbFile = classPathResource.getFile().getPath();
                System.out.println(dbFile);
                searcher = Searcher.newWithFileOnly(dbFile);
            } catch (IOException e) {
                System.out.printf("failed to create searcher with `%s`: %s\n", e);
                return;
            }

            // 2、查询
            try {
                String ip = "112.200.214.160";
                long sTime = System.nanoTime();
                String region = searcher.search(ip);
                long cost = TimeUnit.NANOSECONDS.toMicros((long) (System.nanoTime() - sTime));
                System.out.printf("{region: %s, ioCount: %d, took: %d μs}\n", region, searcher.getIOCount(), cost);
                // 3、关闭资源
                searcher.close();
            } catch (Exception e) {
                System.out.printf("failed to search(%s): %s\n", e);
            }

            // 备注：并发使用，每个线程需要创建一个独立的 searcher 对象单独使用。
        }
}