获取请求地址，根据请求地址获取地域信息

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我是靠谱客的博主优美音响，最近开发中收集的这篇文章主要介绍获取请求地址，根据请求地址获取地域信息，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

import cn.hutool.core.text.UnicodeUtil;
import cn.hutool.http.HttpUtil;
import cn.hutool.json.JSON;
import cn.hutool.json.JSONObject;
import cn.hutool.json.JSONUtil;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;

import javax.servlet.http.HttpServletRequest;
import java.io.UnsupportedEncodingException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.HashMap;
import java.util.Optional;

/**

获取客户端IP
@author zlb
*/
@Component
@Slf4j
public class IPAddressUtil {

private static final String LOCAL_IP = “127.0.0.1”;

private static final String LOCAL_IPS = " 0:0:0:0:0:0:0:1";

private static final String REQ_URL = “http://ip.taobao.com/service/getIpInfo.php”;
/**
- 最大重试次数
  */
  private static final int MAX_REQEST = 3;
  private static final String COLON;
  private static final String SLASH;
  private static final String COMMA;
  private static final String STR_NONE;
static {
COLON = “:”;
SLASH = “”";
COMMA = “,”;
STR_NONE = “”;
}

/**
- 获取IP地址
- @param request
- @return
  */
  public String getIpAddress(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 (LOCAL_IP.equals(ipAddress) || LOCAL_IPS.equals(ipAddress)) {
  // 根据网卡取本机配置的IP
  InetAddress inet = null;
  try {
  inet = InetAddress.getLocalHost();
  } catch (UnknownHostException e) {
  e.printStackTrace();
  }
  assert inet != null;
  ipAddress = inet.getHostAddress();
  }
  }
  // 对于通过多个代理的情况，第一个IP为客户端真实IP,多个IP按照’,'分割
  if (ipAddress != null && ipAddress.length() > 15) { // “***.***.***.***”.length()
  if (ipAddress.indexOf(COMMA) > 0) {
  ipAddress = ipAddress.substring(0, ipAddress.indexOf(COMMA));
  }
  }
  return ipAddress;
  }
/**
- @param content 请求的参数格式为：name=xxx&pwd=xxx
- @param encodingString 服务器端请求编码。如GBK,UTF-8等
- @return
- @throws UnsupportedEncodingException
  */
  private String getAddresses(String content) {
  // 这里调用pconline的接口
  //http://ip.taobao.com/service/getIpInfo.php
  // 从http://whois.pconline.com.cn取得IP所在的省市区信息
  HashMap<String, Object> paramMap = new HashMap<>();
  paramMap.put(“ip”, content);
  String returnStr = “”;
  int count = 0;
  // 失败重连
  while (true) {
  try {
  returnStr = HttpUtil.get(REQ_URL, paramMap);
  break;
  } catch (Exception e) {
  count++;
  if (count >= MAX_REQEST) {
  throw new Exception(“500”, “The request link failed. The number of failed attempts is {}” + count);
  }
  }
  }
  if (returnStr != null) {
  // 处理返回的省市区信息
  log.info(“省市区信息：{}”, returnStr);
  IpInfo ipInfo = JSONUtil.toBean(returnStr, IpInfo.class);
  return Optional.ofNullable(ipInfo).map(ipInfos -> {
  return ipInfos.getData().getRegion();
  }
  ).orElse(null);

// String[] temp = returnStr.split(COMMA);
// if (temp.length < 3) {
// return “0”;//无效IP，局域网测试
// }
// String region = (temp[5].split(COLON))[1].replaceAll(SLASH, STR_NONE);
// region = UnicodeUtil.toString(region);// 省份

// String country = “”;
// String area = “”;
// // String region = “”;
// String city = “”;
// String county = “”;
// String isp = “”;
// for (int i = 0; i < temp.length; i++) {
// switch (i) {
// case 1:
// // 国家
// country = UnicodeUtil.toString((temp[i].split(COLON))[2].replaceAll(SLASH, STR_NONE));
// break;
// case 3:
// // 地区
// area = UnicodeUtil.toString((temp[i].split(COLON))[1].replaceAll(SLASH, STR_NONE));
// break;
// case 5:
// // 省份
// region = UnicodeUtil.toString((temp[i].split(COLON))[1].replaceAll(SLASH, STR_NONE));
// break;
// case 7:
// // 市区
// city = UnicodeUtil.toString((temp[i].split(COLON))[1].replaceAll(SLASH, STR_NONE));
// break;
// case 9:
// // 地区
// county = UnicodeUtil.toString((temp[i].split(COLON))[1].replaceAll(SLASH, STR_NONE));
// break;
// case 11:
// // ISP公司
// isp = UnicodeUtil.toString((temp[i].split(COLON))[1].replaceAll(SLASH, STR_NONE));
// break;
// default:
// }
// }
// return region;
}
return null;
}

/**
 * unicode 转换成 中文
 *
 * @param theString
 * @return
 */
private static String decodeUnicode(String theString) {
    char aChar;
    int len = theString.length();
    StringBuffer outBuffer = new StringBuffer(len);
    for (int x = 0; x < len; ) {
        aChar = theString.charAt(x++);
        if (aChar == '\') {
            aChar = theString.charAt(x++);
            if (aChar == 'u') {
                int value = 0;
                for (int i = 0; i < 4; i++) {
                    aChar = theString.charAt(x++);
                    switch (aChar) {
                        case '0':
                        case '1':
                        case '2':
                        case '3':
                        case '4':
                        case '5':
                        case '6':
                        case '7':
                        case '8':
                        case '9':
                            value = (value << 4) + aChar - '0';
                            break;
                        case 'a':
                        case 'b':
                        case 'c':
                        case 'd':
                        case 'e':
                        case 'f':
                            value = (value << 4) + 10 + aChar - 'a';
                            break;
                        case 'A':
                        case 'B':
                        case 'C':
                        case 'D':
                        case 'E':
                        case 'F':
                            value = (value << 4) + 10 + aChar - 'A';
                            break;
                        default:
                            throw new IllegalArgumentException(
                                    "Malformed      encoding.");
                    }
                }
                outBuffer.append((char) value);
            } else {
                if (aChar == 't') {
                    aChar = 't';
                } else if (aChar == 'r') {
                    aChar = 'r';
                } else if (aChar == 'n') {
                    aChar = 'n';
                } else if (aChar == 'f') {
                    aChar = 'f';
                }
                outBuffer.append(aChar);
            }
        } else {
            outBuffer.append(aChar);
        }
    }
    return outBuffer.toString();
}


/**
 * 根据IP获取城市信息
 *
 * @param ip
 * @return
 */
public String getCity(String ip) {
    return this.getAddresses(ip);
}

// 测试
public static void main(String[] args) {
    IPAddressUtil addressUtils = new IPAddressUtil();
    // 测试ip 219.136.134.157 中国=华南=广东省=广州市=越秀区=电信
    String ip = "219.136.134.157";//   116.252.163.231
    String address = "";
    address = addressUtils.getCity(ip);
    System.out.println(address);
    // 输出结果为：广东省,广州市,越秀区
}

}

映射省市区信息实体：

import lombok.Data;

import java.io.Serializable;

/**

@author ZLB
@version 1.0.0

@date 2019/4/28
*/
@Data
public class IpInfo implements Serializable {

private String code;

private Datas data;

@Data
public class Datas implements Serializable {

 private String ip;

 private String country;

 private String area;

 private String region;

 private String city;

 private String county;

 private String isp;

 private String country_id;

 private String area_id;

 private String region_id;

 private String city_id;

 private String county_id;

 private String isp_id;

}
}