import com.fasterxml.jackson.annotation.JsonInclude;import com.fasterxml.jackson.databind.ObjectMapper;import lombok.Data;import lombok.extern.slf4j.Slf4j;import org.springframework.util.StringUtils;import lombok.Data;import javax.servlet.http.HttpServletRequest;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.net.HttpURLConnection;import java.net.URL;import java.text.SimpleDateFormat;/** * IP工具类 */@Slf4jpublic class IpUtil {/** * ip */@Datapublic static class IpVo {private String ip;//IP地址private String pro;//省private String proCode;//省编码private String city;//城市private String cityCode;//城市编码private String region;//区private String regionCode;//区编码private String addr;//详细地址 + 运营商//主要用于接参，无实际意义private String regionNames;private String err;}/** * 获取访问者的ip地址 * 注：要外网访问才能获取到外网地址，如果你在局域网甚至本机上访问，获得的是内网或者本机的ip */public static String getIpAddr(HttpServletRequest request) {String ipAddress = null;try {//X-Forwarded-For：Squid 服务代理String ipAddresses = request.getHeader("X-Forwarded-For");if (ipAddresses == null || ipAddresses.length() == 0 || "unknown".equalsIgnoreCase(ipAddresses)) {//Proxy-Client-IP：apache 服务代理ipAddresses = request.getHeader("Proxy-Client-IP");}if (ipAddresses == null || ipAddresses.length() == 0 || "unknown".equalsIgnoreCase(ipAddresses)) {//WL-Proxy-Client-IP：weblogic 服务代理ipAddresses = request.getHeader("WL-Proxy-Client-IP");}if (ipAddresses == null || ipAddresses.length() == 0 || "unknown".equalsIgnoreCase(ipAddresses)) {//HTTP_CLIENT_IP：有些代理服务器ipAddresses = request.getHeader("HTTP_CLIENT_IP");}if (ipAddresses == null || ipAddresses.length() == 0 || "unknown".equalsIgnoreCase(ipAddresses)) {//X-Real-IP：nginx服务代理ipAddresses = request.getHeader("X-Real-IP");}//有些网络通过多层代理，那么获取到的ip就会有多个，一般都是通过逗号（,）分割开来，并且第一个ip为客户端的真实IPif (ipAddresses != null && ipAddresses.length() != 0) {ipAddress = ipAddresses.split(",")[0];}//还是不能获取到，最后再通过request.getRemoteAddr();获取if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddresses)) {ipAddress = request.getRemoteAddr();}} catch (Exception e) {ipAddress = "";}return ipAddress;}/** * 调用太平洋网络IP地址查询Web接口（），返回ip、地理位置 */public static IpVo getIpVo(String ip){//查本机String url = "ipJson.jsp?json=true";//查指定ipif(!StringUtils.isEmpty(ip)){url = "ipJson.jsp?json=true&ip=" + ip;}StringBuilder inputLine = new StringBuilder();String read;try {HttpURLConnection urlConnection = (HttpURLConnection) new URL(url).openConnection();urlConnection.setRequestProperty("Charset", "GBK");BufferedReader in = new BufferedReader(new InputStreamReader(urlConnection.getInputStream(), "GBK"));while ((read = in.readLine()) != null) {inputLine.append(read);}in.close();} catch (Exception e) {e.printStackTrace();}//返回格式/*{ip: "58.63.47.115",pro: "广东省",proCode: "",city: "广州市",cityCode: "",region: "天河区",regionCode: "",addr: "广东省广州市天河区 电信",regionNames: "",err: ""} */IpVo ipVo = null;try {ObjectMapper mapper = new ObjectMapper();//当属性的值为空（null或者""）时，不进行序列化，可以减少数据传输mapper.setSerializationInclusion(JsonInclude.Include.NON_EMPTY);//设置日期格式mapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));//转换成IpVoipVo = mapper.readValue(new String(inputLine.toString().getBytes("GBK"), "GBK"), IpVo.class);} catch (IOException e) {e.printStackTrace();}return ipVo;}/** * 直接根据访问者的Request，返回ip、地理位置 */public static IpVo getIpVoByRequest(HttpServletRequest request){return IpUtil.getIpVo(IpUtil.getIpAddr(request));}/*终极大法：java获取不了，就用js来获取<!-- js获取客户ip --><script src="ipJson.jsp"></script> */}