IP獲取歸屬地區(qū)

使用 http://whois.pconline.com.cn/ipJson.jsp 這個 URL 來獲取 IP 地址的歸屬城市信息文章來源地址http://www.zghlxwxcb.cn/news/detail-564512.html

import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Objects;
import javax.servlet.http.HttpServletRequest;

import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class IpAddressUtils {
    private static final Logger log = LoggerFactory.getLogger(IpAddressUtils.class);

    /**
     * 獲取當前網(wǎng)絡ip
     *
     * @param request
     * @return
     */
    public static String getIpAddr(HttpServletRequest request) {
        String ipAddress = request.getHeader("x-forwarded-for");
        if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
            ipAddress = request.getHeader("Proxy-Client-IP");
        }
        if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
            ipAddress = request.getHeader("WL-Proxy-Client-IP");
        }
        if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
            ipAddress = request.getRemoteAddr();
            if (ipAddress.equals("127.0.0.1") || ipAddress.equals("0:0:0:0:0:0:0:1")) {
                //根據(jù)網(wǎng)卡取本機配置的IP
                InetAddress inet = null;
                try {
                    inet = InetAddress.getLocalHost();
                } catch (UnknownHostException e) {
                    log.error("Error occurred when getIpAddr method was invoked.ex:", e);
                }
                ipAddress = inet.getHostAddress();
            }
        }
        //對于通過多個代理的情況，第一個IP為客戶端真實IP,多個IP按照','分割
        if (ipAddress != null && ipAddress.length() > 15) { //"***.***.***.***".length() = 15
            if (ipAddress.indexOf(",") > 0) {
                ipAddress = ipAddress.substring(0, ipAddress.indexOf(","));
            }
        }
        return ipAddress;
    }


    /**
     * IP獲取歸屬地區(qū)
     * @param ipAddress
     * @return
     */
    public static String getAddress(String ipAddress) {
        CloseableHttpClient httpClient = null;
        CloseableHttpResponse response = null;
        String address = null;
        try {
            // 創(chuàng)建 HttpClient 實例
            httpClient = HttpClients.createDefault();

            // 構建 API 請求 URL
            String apiUrl = "http://whois.pconline.com.cn/ipJson.jsp?ip=" + ipAddress;

            // 創(chuàng)建 HttpGet 請求
            HttpGet httpGet = new HttpGet(apiUrl);

            // 發(fā)送請求并獲取響應
            response = httpClient.execute(httpGet);

            // 解析響應
            if (response.getStatusLine().getStatusCode() == 200) {
                String jsonResponse = EntityUtils.toString(response.getEntity(), "GBK");
                address = jsonResponse.substring(jsonResponse.indexOf("addr") + 7, jsonResponse.indexOf("regionNames") - 3);
            }

        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            close(httpClient, response);
            return address;
        }
    }


    public static void close(CloseableHttpClient httpClient, CloseableHttpResponse response) {
        try {
            if (Objects.nonNull(response)) {
                response.close();
            }
            if(Objects.nonNull(httpClient)){
                httpClient.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

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