SpringBoot实现获取客户端IP地理位置

<dependency>
  <groupId>org.lionsoul</groupId>
  <artifactId>ip2region</artifactId>
  <version>2.6.5</version>
</dependency>

private static final String DB_PATH = "/root/home_place/ip2region.xdb";

String ipRegion = IPUtils.getIPRegion(request);

/**
 * @author Liutx
 * @since 2023-11-28 10:05
 */
public class IPUtils {

    private static final Logger log = LogManager.getLogger(IPUtils.class);

    private static final String DB_PATH = "/root/home_place/ip2region.xdb";

    private static final ThreadLocal<Searcher> searcherThreadLocal = ThreadLocal.withInitial(() -> {
        try {
            return Searcher.newWithFileOnly(DB_PATH);
        } catch (Exception e) {
            log.error("初始化 IP 归属地查询失败: {}", e.getMessage());
            return null;
        }
    });


    public static String getIPRegion(HttpServletRequest request) {
        String ip = getIPAddress(request);
        Searcher searcher = searcherThreadLocal.get();
        if (searcher == null) {
            log.error("IP 归属地查询失败，返回空");
            return null;
        }
        try {
            long startTime = System.nanoTime();
            String region = searcher.search(ip);
            long cost = TimeUnit.NANOSECONDS.toMicros(System.nanoTime() - startTime);
            log.info("IP: {}, Region: {}, IO Count: {}, Took: {} μs", ip, region, searcher.getIOCount(), cost);
            return region;
        } catch (Exception e) {
            log.error("IP: {} 获取 IP 归属地错误，错误原因: {}", ip, e.getMessage());
            return null;
        } finally {
            closeSearcher();
        }
    }


    private static String getIPAddress(HttpServletRequest request) {
        String ipAddress = request.getHeader("X-Forwarded-For");
        if (ipAddress == null || ipAddress.isEmpty() || "unknown".equalsIgnoreCase(ipAddress)) {
            ipAddress = request.getHeader("Proxy-Client-IP");
        }
        if (ipAddress == null || ipAddress.isEmpty() || "unknown".equalsIgnoreCase(ipAddress)) {
            ipAddress = request.getHeader("WL-Proxy-Client-IP");
        }
        if (ipAddress == null || ipAddress.isEmpty() || "unknown".equalsIgnoreCase(ipAddress)) {
            ipAddress = request.getHeader("HTTP_CLIENT_IP");
        }
        if (ipAddress == null || ipAddress.isEmpty() || "unknown".equalsIgnoreCase(ipAddress)) {
            ipAddress = request.getHeader("HTTP_X_FORWARDED_FOR");
        }
        if (ipAddress == null || ipAddress.isEmpty() || "unknown".equalsIgnoreCase(ipAddress)) {
            ipAddress = request.getRemoteAddr();
        }
        return ipAddress;
    }

    public static void closeSearcher() {
        try {
            Searcher searcher = searcherThreadLocal.get();
            if (Objects.nonNull(searcher)) {
                searcher.close();
                searcherThreadLocal.remove();
            }
        } catch (Exception e) {
            log.error("关闭异常", e);
        }
    }
}

public static void main(String[] args) {

    String ip = "192.168.31.1";
    try {
        // 1、创建 searcher 对象
        String dbPath = "src/main/resources/ipdata/ip2region.xdb";
        Searcher searcher = null;
        searcher = Searcher.newWithFileOnly(dbPath);
        // 2、查询
        long sTime = System.nanoTime();
        String region = searcher.search(ip);
        long cost = TimeUnit.NANOSECONDS.toMicros((long) (System.nanoTime() - sTime));
        log.info("{region: {}, ioCount: {}, took: {} μs}", region, searcher.getIOCount(), cost);
        // 3、关闭资源
        searcher.close();
        // 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。
    } catch (Exception e) {
        log.error("IP:{}获取IP归属地错误，错误原因:", ip, e);
    }
}

{
  "success": true,
  "trace": "023c71f9-f483-466d-b650-a30fa097b64c",
  "code": "OK",
  "message": "获取成功",
  "data": "中国|0|山东省|青岛市|移动"
}