SpringBoot 整合 ip2region2.x 工具类

ip2region2.6.5 工具类

下载离线库

data/ip2region.xdb · 狮子的魂/ip2region - 码云 - 开源中国 (gitee.com)

放到资源目录下面

引入 maven 坐标

<dependency>
    <groupId>org.lionsoulgroupId>
    <artifactId>ip2regionartifactId>
    <version>2.6.5version>
dependency>

代码

@Slf4j
@Component
public class IpAddressUtils {
	private static Searcher searcher;

	public static String getIpAddress() {
		return getIpAddress(ServletUtils.getHttpServletRequest());
	}

	/**
	 * 在Nginx等代理之后获取用户真实IP地址
	 * @param request
	 * @return
	 */
	public static String getIpAddress(HttpServletRequest request) {
		if (request == null) {
			return null;
		}
		String ip = request.getHeader("x-forwarded-for");
		if (isIpaddress(ip)) {
			ip = request.getHeader("Proxy-Client-IP");
		}
		if (isIpaddress(ip)) {
			ip = request.getHeader("WL-Proxy-Client-IP");
		}
		if (isIpaddress(ip)) {
			ip = request.getHeader("HTTP_CLIENT_IP");
		}
		if (isIpaddress(ip)) {
			ip = request.getHeader("HTTP_X_FORWARDED_FOR");
		}
		if (isIpaddress(ip)) {
			ip = request.getRemoteAddr();
			if ("127.0.0.1".equals(ip) || "0:0:0:0:0:0:0:1".equals(ip)) {
				//根据网卡取本机配置的IP
				try {
					InetAddress inet = InetAddress.getLocalHost();
					ip = inet.getHostAddress();
				} catch (UnknownHostException e) {
					log.error("getIpAddress exception:", e);
				}
			}
		}
		return StringUtils.substringBefore(ip, ",");
	}

	public static boolean isIpaddress(String ip) {
		return ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip);
	}

	/**
	 * 获取IP地址
	 *
	 * @return 本地IP地址
	 */
	public static String getHostIp() {
		try {
			return InetAddress.getLocalHost().getHostAddress();
		} catch (UnknownHostException e) {
			e.printStackTrace();
		}
		return "127.0.0.1";
	}

	/**
	 * 获取主机名
	 *
	 * @return 本地主机名
	 */
	public static String getHostName() {
		try {
			return InetAddress.getLocalHost().getHostName();
		} catch (UnknownHostException e) {
			e.printStackTrace();
		}
		return "未知";
	}

	/**
	 * 根据ip从 ip2region.db 中获取地理位置
	 * @param ip
	 * @return
	 */
	public static String getCityInfo(String ip) {
		try {
			return searcher.search(ip);
		} catch (Exception e) {
			log.info("failed to search(%s): %s\n", ip, e);
		}
		return null;
	}

	/**
	 * 在服务启动时加载 ip2region.db 到内存中
	 * 解决打包jar后找不到 ip2region.db 的问题
	 *
	 * @throws Exception 出现异常应该直接抛出终止程序启动，避免后续invoke时出现更多错误
	 */
	@PostConstruct
	private static void initIp2regionResource() {
		try {
			InputStream inputStream = new ClassPathResource("/ipdb/ip2region.xdb").getInputStream();
			byte[] dbBinStr = FileCopyUtils.copyToByteArray(inputStream);
			// 创建一个完全基于内存的查询对象
			searcher = Searcher.newWithBuffer(dbBinStr);
		} catch (Exception e) {
			log.info("failed to create content cached searcher: %s\n", e);
		}
	}

    /**
	 * 测试
	 * @param args
	 */
	public static void main(String[] args) {
		initIp2regionResource();
		System.out.println(getCityInfo("120.36.213.176"));
	}
    
}

运行测试结果：