通过淘宝接口免费获取IP地址信息

1.获取互联网访问IP信息

一般获取互联网访问的IP的相关信息一般都是收费接口，免费的接口不多，我使用到一个接口如下：

http://ip.taobao.com/service/getIpInfo.php?ip=139.189.109.174

这个是淘宝的接口，直接可以查询对应的IP信息，免费使用哦。在Java程序里可以直接封装调用。

对封装获取IP的地址的方法代码如下：

HttpRequestUtils.java

package com.seezoon.framework.common.http;import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;import org.apache.http.HttpEntity;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpRequestBase;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.Assert;
import org.springframework.util.StopWatch;import com.alibaba.fastjson.JSON;
import com.seezoon.framework.common.context.exception.ServiceException;/*** 对性能和参数要求敏感，需要自行利用 HttpPoolClient 对象自行构造* * @author hdf 2018年4月23日*/
public class HttpRequestUtils {/*** 日志对象*/private static Logger logger = LoggerFactory.getLogger(HttpRequestUtils.class);private static String DEFAULT_CHARSET = "UTF-8";private static HttpPoolClient defaultHttpPoolClient = new HttpPoolClient();public static <T> T doGet(String url, Map<String, String> params, Class<T> clazz) {return JSON.parseObject(doGet(url, params), clazz);}public static <T> T doPost(String url, Map<String, String> params, Class<T> clazz) {return JSON.parseObject(doPost(url, params), clazz);}public static <T> T postJson(String url, Map<String, String> params, Class<T> clazz) {return JSON.parseObject(postJson(url, params), clazz);}public static String postJson(String url, Map<String, String> params) {HttpPost httpPost = new HttpPost(url);httpPost.setEntity(new StringEntity(JSON.toJSONString(params), ContentType.APPLICATION_JSON));return execute(httpPost);}public static String postXml(String url,String content) {HttpPost httpPost = new HttpPost(url);httpPost.setEntity(new StringEntity(content, ContentType.create("application/xml", "UTF-8")));return execute(httpPost);}public static String doGet(String url, Map<String, String> params) {Assert.hasLength(url, "请求地址为空");try {URIBuilder builder = new URIBuilder(url);builder.setParameters(getNameValuePair(params));HttpGet httpGet = new HttpGet(builder.toString());String result = execute(httpGet);return result;} catch (Exception e) {throw new ServiceException(e);}}public static String doPost(String url, Map<String, String> params) {HttpPost httpPost = new HttpPost(url);httpPost.setEntity(getUrlEncodedFormEntity(params));return execute(httpPost);}public static String execute(HttpRequestBase request) {StopWatch watch = new StopWatch();watch.start();CloseableHttpResponse response = null;try {response = defaultHttpPoolClient.execute(request);watch.stop();String requestURI = request.getURI().toString();logger.debug("http client:{} comleted use {} ms",requestURI,watch.getTotalTimeMillis());int status = response.getStatusLine().getStatusCode();if (HttpStatus.SC_OK == status) {// 成功HttpEntity entity = response.getEntity();if (null != entity) {String result = EntityUtils.toString(entity, DEFAULT_CHARSET);EntityUtils.consume(entity);return result;} else {throw new ServiceException("请求无数据返回");}} else {throw new ServiceException("请求状态异常失败");}} catch (Exception e) {throw new ServiceException(request.getURI().toString() + "请求失败", e);} finally {if (null != response) {try {response.close();} catch (IOException e) {logger.error("CloseableHttpResponse close error", e);}}}}private static UrlEncodedFormEntity getUrlEncodedFormEntity(Map<String, String> params) {UrlEncodedFormEntity entity = null;try {entity = new UrlEncodedFormEntity(getNameValuePair(params), DEFAULT_CHARSET);} catch (UnsupportedEncodingException e) {}return entity;}private static List<NameValuePair> getNameValuePair(Map<String, String> params){List<NameValuePair> list = new ArrayList<NameValuePair>();if (null != params && !params.isEmpty()) {for (Entry<String, String> entry : params.entrySet()) {list.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));}}return list;}public static void shutDown() {defaultHttpPoolClient.shutdown();}
}

ServiceException.java

package com.seezoon.framework.common.context.exception;/*** 自定义异常方便后续扩展* * @author hdf 2018年4月20日*/
public class ServiceException extends RuntimeException {public ServiceException() {super();// TODO Auto-generated constructor stub
    }public ServiceException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {super(message, cause, enableSuppression, writableStackTrace);// TODO Auto-generated constructor stub
    }public ServiceException(String message, Throwable cause) {super(message, cause);// TODO Auto-generated constructor stub
    }public ServiceException(String message) {super(message);// TODO Auto-generated constructor stub
    }public ServiceException(Throwable cause) {super(cause);// TODO Auto-generated constructor stub
    }}

调用使用方法如下：

if (StringUtils.isNotEmpty(ip)) {String ipInfo = HttpRequestUtils.doGet("http://ip.taobao.com/service/getIpInfo.php", Maps.newHashMap("ip",ip));if (StringUtils.isNotEmpty(ipInfo)) {JSONObject parseObject = JSON.parseObject(ipInfo);if (parseObject.containsKey("data")) {JSONObject data = parseObject.getJSONObject("data");System.out.println(data.getString("region") + data.getString("city"));}}}

更详细的写在了CSDN上：https://blog.csdn.net/lr393993507/article/details/82345614

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