Java代码通过经纬度计算省份。

直接上代码，需要市区县可自己解析

String areaName = addressUtil.getPosition(longitude, latitude);

package com.skyable.device.utils.velicle;import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.Synchronized;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;/*** @author Administrator*/
@Component
public class AddressUtil {@Autowiredprivate JsonUtil jsonUtil;private static final List<Map<String, Object>> LIST = new ArrayList<>();private static final Map<Integer, Map<String, Object>> MAP = new HashMap<>();@Synchronizedpublic String getPosition(Double longitude, Double latitude) {String areaName = "中国";Map<String, Object> resultMap = new HashMap<>();resultMap.put("code", 500);resultMap.put("message", "失败");if (longitude == null || latitude == null) {return areaName;}if (LIST.isEmpty()) {LIST.addAll(jsonUtil.readJson());}if (MAP.isEmpty()) {for (Map<String, Object> jsonMap : LIST) {MAP.put(Integer.valueOf(jsonMap.get("id").toString()), jsonMap);}}double minDistance = 0.0D;Map<String, Object> shopAreaMap = new HashMap<>();boolean first = true;for (Map<String, Object> areaMap : LIST) {String level = areaMap.get("level").toString();String lng = areaMap.get("lng").toString().replace("\"", "");String lat = areaMap.get("lat").toString().replace("\"", "");if (!("1".equals(level) || "2".equals(level)) && (!"null".equals(lng)) && (!"null".equals(lat))) {double distance = CoordTransform.getDistance(latitude, longitude, Double.parseDouble(lat), Double.parseDouble(lng));if (minDistance == 0.0D && first) {minDistance = distance;shopAreaMap = areaMap;first = false;} else if (distance < minDistance) {minDistance = distance;shopAreaMap = areaMap;}}}if (!shopAreaMap.isEmpty() && shopAreaMap.get("level") != null) {int level = Integer.parseInt(shopAreaMap.get("level").toString());if (level == 4 || level == 3) {Map<String, Object> parentMap = MAP.get(Integer.valueOf(shopAreaMap.get("parentid").toString()));if (parentMap != null) {if (level == 4) {Map<String, Object> cityMap = MAP.get(Integer.valueOf(parentMap.get("parentid").toString()));if (cityMap != null) {shopAreaMap = cityMap;}shopAreaMap.put("county", parentMap);} else {shopAreaMap.put("county", shopAreaMap);}shopAreaMap = parentMap;}}shopAreaMap.put("shortname", MAP.get(Integer.valueOf(shopAreaMap.get("parentid").toString())).get("areaname").toString());}resultMap.put("data", shopAreaMap);Object parentId = shopAreaMap.get("parentid");for (Map<String, Object> record : LIST) {Object id = record.get("id");if (parentId.equals(id)) {parentId = record.get("parentid");}}for (Map<String, Object> map : LIST) {if (map.get("id").equals(parentId)) {areaName = map.get("areaname").toString().replaceAll("\"", "");}}return areaName;}
}

package com.skyable.device.utils.velicle;/*** @author Administrator*/
public class CoordTransform {private static final double X_PI = 52.359877559829883;private static final double PI = 3.141592653589793;private static final double A = 6378245.0;private static final double EE = 0.006693421622965943;public static double getDistance(double x1, double y1, double x2, double y2) {double x = (x1 - x2) * PI * A *Math.cos((y1 + y2) / 2.0 * PI / 180.0) / 180.0;double y = (y2 - y1) * PI * A / 180.0;return Math.sqrt(x * x + y * y);}
}

package com.skyable.device.utils.velicle;public class IPEntry {public String beginIp;public String endIp;public String country;public String area;public IPEntry() {this.beginIp = (this.endIp = this.country = this.area = "");}@Overridepublic String toString() {return this.area + "  " + this.country + "IP范围:" + this.beginIp + "-" +this.endIp;}
}

package com.skyable.device.utils.velicle;import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.ByteOrder;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel;
import java.util.*;public class IPSeeker {private static final String IP_FILE = PropertiesUtil.getProperty("IP_DATA_URL");private static final int IP_RECORD_LENGTH = 7;private static final byte AREA_FOLLOWED = 1;private static final byte NO_AREA = 2;private static Hashtable<String, Object> ipCache;private static RandomAccessFile ipFile;private static MappedByteBuffer mbb;private static IPSeeker instance = new IPSeeker();private static long ipBegin;private static long ipEnd;private static IPLocation loc;private static byte[] buf;private static byte[] b4;private static byte[] b3;private IPSeeker() {ipCache = new Hashtable();loc = new IPLocation();buf = new byte[100];b4 = new byte[4];b3 = new byte[3];try {ipFile = new RandomAccessFile(IP_FILE, "r");} catch (FileNotFoundException e) {System.out.println(IP_FILE);System.out.println("IP地址信息文件没有找到，IP显示功能将无法使用");ipFile = null;}if (ipFile != null) {try {ipBegin = readLong4(0L);ipEnd = readLong4(4L);if ((ipBegin == -1L) || (ipEnd == -1L)) {ipFile.close();ipFile = null;}} catch (IOException e) {System.out.println("IP地址信息文件格式有错误，IP显示功能将无法使用");ipFile = null;}}}public static IPSeeker getInstance() {return instance;}public List<IPEntry> getIPEntriesDebug(String s) {List ret = new ArrayList();long endOffset = ipEnd + 4L;for (long offset = ipBegin + 4L; offset <= endOffset; offset += 7L) {long temp = readLong3(offset);if (temp != -1L) {IPLocation loc = getIPLocation(temp);if ((loc.country.indexOf(s) != -1) || (loc.area.indexOf(s) != -1)) {IPEntry entry = new IPEntry();entry.country = loc.country;entry.area = loc.area;readIP(offset - 4L, b4);entry.beginIp = Utils.getIpStringFromBytes(b4);readIP(temp, b4);entry.endIp = Utils.getIpStringFromBytes(b4);ret.add(entry);}}}return ret;}public List<IPEntry> getIPEntries(String s) {List ret = new ArrayList();try {if (mbb == null) {FileChannel fc = ipFile.getChannel();mbb = fc.map(FileChannel.MapMode.READ_ONLY, 0L, ipFile.length());mbb.order(ByteOrder.LITTLE_ENDIAN);}int endOffset = (int) ipEnd;for (int offset = (int) ipBegin + 4; offset <= endOffset; offset += 7) {int temp = readInt3(offset);if (temp != -1) {IPLocation loc = getIPLocation(temp);if ((loc.country.indexOf(s) != -1) ||(loc.area.indexOf(s) != -1)) {IPEntry entry = new IPEntry();entry.country = loc.country;entry.area = loc.area;readIP(offset - 4, b4);entry.beginIp = Utils.getIpStringFromBytes(b4);readIP(temp, b4);entry.endIp = Utils.getIpStringFromBytes(b4);ret.add(entry);}}}} catch (IOException e) {System.out.println(e.getMessage());}return ret;}private int readInt3(int offset) {mbb.position(offset);return mbb.getInt() & 0xFFFFFF;}private int readInt3() {return mbb.getInt() & 0xFFFFFF;}public static String getCountry(byte[] ip) {if (ipFile == null) {return "错误的IP数据库文件";}String ipStr = Utils.getIpStringFromBytes(ip);if (ipCache.containsKey(ipStr)) {IPLocation loc = (IPLocation) ipCache.get(ipStr);return loc.country;}IPLocation loc = getIPLocation(ip);ipCache.put(ipStr, loc.getCopy());return loc.country;}public static String getCountry(String ip) {return getCountry(Utils.getIpByteArrayFromString(ip));}public String getArea(byte[] ip) {if (ipFile == null) {return "错误的IP数据库文件";}String ipStr = Utils.getIpStringFromBytes(ip);if (ipCache.containsKey(ipStr)) {IPLocation loc = (IPLocation) ipCache.get(ipStr);return loc.area;}IPLocation loc = getIPLocation(ip);ipCache.put(ipStr, loc.getCopy());return loc.area;}public String getArea(String ip) {return getArea(Utils.getIpByteArrayFromString(ip));}private static IPLocation getIPLocation(byte[] ip) {IPLocation info = null;long offset = locateIP(ip);if (offset != -1L) {info = getIPLocation(offset);}if (info == null) {info.country = "未知国家";info.area = "未知地区";}return info;}private long readLong4(long offset) {long ret = 0L;try {ipFile.seek(offset);ret |= ipFile.readByte() & 0xFF;ret |= ipFile.readByte() << 8 & 0xFF00;ret |= ipFile.readByte() << 16 & 0xFF0000;return ret | ipFile.readByte() << 24 & 0xFF000000;} catch (IOException e) {}return -1L;}private static long readLong3(long offset) {long ret = 0L;try {ipFile.seek(offset);ipFile.readFully(b3);ret |= b3[0] & 0xFF;ret |= b3[1] << 8 & 0xFF00;return ret | b3[2] << 16 & 0xFF0000;} catch (IOException e) {}return -1L;}private static long readLong3() {long ret = 0L;try {ipFile.readFully(b3);ret |= b3[0] & 0xFF;ret |= b3[1] << 8 & 0xFF00;return ret | b3[2] << 16 & 0xFF0000;} catch (IOException e) {}return -1L;}private static void readIP(long offset, byte[] ip) {try {ipFile.seek(offset);ipFile.readFully(ip);byte temp = ip[0];ip[0] = ip[3];ip[3] = temp;temp = ip[1];ip[1] = ip[2];ip[2] = temp;} catch (IOException e) {System.out.println(e.getMessage());}}private void readIP(int offset, byte[] ip) {mbb.position(offset);mbb.get(ip);byte temp = ip[0];ip[0] = ip[3];ip[3] = temp;temp = ip[1];ip[1] = ip[2];ip[2] = temp;}private static int compareIP(byte[] ip, byte[] beginIp) {for (int i = 0; i < 4; i++) {int r = compareByte(ip[i], beginIp[i]);if (r != 0) {return r;}}return 0;}private static int compareByte(byte b1, byte b2) {if ((b1 & 0xFF) > (b2 & 0xFF)) {return 1;}if ((b1 ^ b2) == 0) {return 0;}return -1;}private static long locateIP(byte[] ip) {long m = 0L;readIP(ipBegin, b4);int r = compareIP(ip, b4);if (r == 0) {return ipBegin;}if (r < 0) {return -1L;}long i = ipBegin;for (long j = ipEnd; i < j; ) {m = getMiddleOffset(i, j);readIP(m, b4);r = compareIP(ip, b4);if (r > 0) {i = m;} else if (r < 0) {if (m == j) {j -= 7L;m = j;} else {j = m;}} else {return readLong3(m + 4L);}}m = readLong3(m + 4L);readIP(m, b4);r = compareIP(ip, b4);if (r <= 0) {return m;}return -1L;}private static long getMiddleOffset(long begin, long end) {long records = (end - begin) / 7L;records >>= 1;if (records == 0L) {records = 1L;}return begin + records * 7L;}private static IPLocation getIPLocation(long offset) {try {ipFile.seek(offset + 4L);byte b = ipFile.readByte();if (b == 1) {long countryOffset = readLong3();ipFile.seek(countryOffset);b = ipFile.readByte();if (b == 2) {loc.country = readString(readLong3());ipFile.seek(countryOffset + 4L);} else {loc.country = readString(countryOffset);}loc.area = readArea(ipFile.getFilePointer());} else if (b == 2) {loc.country = readString(readLong3());loc.area = readArea(offset + 8L);} else {loc.country = readString(ipFile.getFilePointer() - 1L);loc.area = readArea(ipFile.getFilePointer());}return loc;} catch (IOException e) {}return null;}private IPLocation getIPLocation(int offset) {mbb.position(offset + 4);byte b = mbb.get();if (b == 1) {int countryOffset = readInt3();mbb.position(countryOffset);b = mbb.get();if (b == 2) {loc.country = readString(readInt3());mbb.position(countryOffset + 4);} else {loc.country = readString(countryOffset);}loc.area = readArea(mbb.position());} else if (b == 2) {loc.country = readString(readInt3());loc.area = readArea(offset + 8);} else {loc.country = readString(mbb.position() - 1);loc.area = readArea(mbb.position());}return loc;}private static String readArea(long offset)throws IOException {ipFile.seek(offset);byte b = ipFile.readByte();if ((b == 1) || (b == 2)) {long areaOffset = readLong3(offset + 1L);if (areaOffset == 0L) {return "未知地区";}return readString(areaOffset);}return readString(offset);}private String readArea(int offset) {mbb.position(offset);byte b = mbb.get();if ((b == 1) || (b == 2)) {int areaOffset = readInt3();if (areaOffset == 0) {return "未知地区";}return readString(areaOffset);}return readString(offset);}private static String readString(long offset) {try {ipFile.seek(offset);int i = 0;for (buf[i] = ipFile.readByte(); buf[i] != 0; ) {buf[(++i)] = ipFile.readByte();}if (i != 0) {return Utils.convertBytesToString(buf, 0, i, "GBK");}} catch (IOException e) {System.out.println(e.getMessage());}return "";}private String readString(int offset) {try {mbb.position(offset);int i = 0;for (buf[i] = mbb.get(); buf[i] != 0; buf[(++i)] = mbb.get()) {if (i != 0) {return Utils.convertBytesToString(buf, 0, i, "GBK");}}} catch (IllegalArgumentException e) {System.out.println(e.getMessage());}return "";}public String getAddress(String ip) {String country = getCountry(ip).equals(" CZ88.NET") ? "null" :getCountry(ip);String area = getArea(ip).equals(" CZ88.NET") ? "null" : getArea(ip);String address = country + "|" + area;return address.trim();}public static String getAddressByCity(String ip) {String country = getCountry(ip).equals(" CZ88.NET") ? "null" :getCountry(ip);String address = country;return address.trim();}public static Map<String, Object> jqCity(String str) {String shortname = "";String areaname = "";Map map = new HashMap();boolean status = str.contains("省");if (status) {String[] splitstr = str.split("省");shortname = splitstr[0] + "省";areaname = splitstr[1];if (areaname.contains("市")) {areaname = areaname.split("市")[0] + "市";}}boolean xj = str.contains("新疆");if (xj) {String[] splitstr = str.split("新疆");for (String string : splitstr) {System.out.println(string);}shortname = "新疆";areaname = splitstr[1];}boolean xz = str.contains("西藏");if (xz) {String[] splitstr = str.split("西藏");for (String string : splitstr) {System.out.println(string);}shortname = "西藏";areaname = splitstr[1];}boolean nmg = str.contains("内蒙古");if (nmg) {String[] splitstr = str.split("内蒙古");for (String string : splitstr) {System.out.println(string);}shortname = "内蒙古";areaname = splitstr[1];}boolean nx = str.contains("宁夏");if (nx) {String[] splitstr = str.split("宁夏");for (String string : splitstr) {System.out.println(string);}shortname = "宁夏";areaname = splitstr[1];}boolean gx = str.contains("广西");if (gx) {String[] splitstr = str.split("广西");for (String string : splitstr) {System.out.println(string);}shortname = "广西";areaname = splitstr[1];}boolean bjs = str.contains("北京市");boolean tjs = str.contains("天津市");boolean shs = str.contains("上海市");boolean cqs = str.contains("重庆市");boolean xg = str.contains("香港");boolean am = str.contains("澳门");if ((am) || (xg) || (cqs) || (shs) || (tjs) || (bjs)) {System.out.println(str);shortname = str;areaname = str;}map.put("shortname", shortname);map.put("areaname", areaname);return map;}public static void main(String[] args) {IPSeeker is = new IPSeeker();System.out.println(is.getAddress("119.123.225.83"));System.out.println(is.getAddress("14.215.177.39"));System.out.println(is.getAddress("113.78.255.221"));System.out.println(is.getAddress("182.34.16.127"));System.out.println(is.getAddress("180.118.240.225"));System.out.println(is.getAddress("119.29.252.90"));System.out.println(is.getAddress("61.128.101.255"));System.out.println(is.getAddress("110.157.255.255"));System.out.println(is.getAddress("220.182.44.228"));System.out.println(is.getAddress("1.183.255.255"));System.out.println(is.getAddress("123.125.71.38"));System.out.println(is.getAddress("203.186.145.250"));System.out.println(is.getAddress("111.113.255.255"));System.out.println(is.getAddress("180.143.255.255"));}private class IPLocation {public String country;public String area;public IPLocation() {this.country = (this.area = "");}public IPLocation getCopy() {IPLocation ret = new IPLocation();ret.country = this.country;ret.area = this.area;return ret;}}
}

package com.skyable.device.utils.velicle;import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;import java.util.*;public class JsonToMap {public static JsonObject parseJson(String json) {JsonParser parser = new JsonParser();return parser.parse(json).getAsJsonObject();}public static Map<String, Object> toMap(String json) {return toMap(parseJson(json));}public static Map<String, Object> toMap(JsonObject json) {Map<String, Object> map = new HashMap<>();Set<Map.Entry<String, JsonElement>> entrySet = json.entrySet();for (Map.Entry<String, JsonElement> entry : entrySet) {String key = entry.getKey();JsonElement value = entry.getValue();if (value.isJsonArray()) {map.put(key, toList(value.getAsJsonArray()));} else if (value.isJsonObject()) {map.put(key, toMap(value.getAsJsonObject()));} else {map.put(key, value);}}return map;}public static List<Object> toList(JsonArray json) {List<Object> list = new ArrayList<>();for (JsonElement element : json) {if (element.isJsonArray()) {list.add(toList(element.getAsJsonArray()));} else if (element.isJsonObject()) {list.add(toMap(element.getAsJsonObject()));} else {list.add(element);}}return list;}
}

package com.skyable.device.utils.velicle;import com.google.gson.*;
import com.google.gson.stream.JsonReader;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;import java.io.*;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;@Component
public class JsonUtil {@Value("${vehicle.jsonFile}")private String filePath;public List<Map<String, Object>> readJson() {List<Map<String, Object>> list = new ArrayList<>();if (filePath == null) {System.out.println("File path is null.");return list;}try (JsonReader reader = new JsonReader(new FileReader(filePath))) {Gson gson = new Gson();reader.beginObject(); // Start reading the root objectwhile (reader.hasNext()) {String name = reader.nextName();if ("RECORDS".equals(name)) {reader.beginArray(); // Start reading the arraywhile (reader.hasNext()) {JsonObject subObject = gson.fromJson(reader, JsonObject.class);list.add(subObject.entrySet().stream().collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue)));}reader.endArray(); // End reading the array} else {reader.skipValue(); // Skip other fields}}reader.endObject(); // End reading the root object} catch (IOException e) {e.printStackTrace();}return list;}}

package com.skyable.device.utils.velicle;import org.slf4j.Logger;
import org.slf4j.LoggerFactory;import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Properties;public class PropertiesUtil {private static final Logger logger = LoggerFactory.getLogger(PropertiesUtil.class);private static Properties props;static {// 更具描述性的文件名String fileName = "application.test";props = new Properties();try (InputStreamReader reader = new InputStreamReader(PropertiesUtil.class.getClassLoader().getResourceAsStream(fileName), "UTF-8")) {props.load(reader);} catch (IOException e) {logger.error("配置文件读取异常", e);}}public static String getProperty(String key) {String value = props.getProperty(key.trim());return value != null ? value.trim() : null;}public static String getProperty(String key, String defaultValue) {String value = props.getProperty(key.trim());return value != null ? value.trim() : defaultValue;}
}

package com.skyable.device.utils.velicle;import org.slf4j.Logger;
import org.slf4j.LoggerFactory;import java.io.UnsupportedEncodingException;
import java.util.StringTokenizer;/*** @author Administrator*/
public class Utils {private static final Logger logger = LoggerFactory.getLogger(Utils.class);public static byte[] getIpByteArrayFromString(String ip) {byte[] ret = new byte[4];StringTokenizer st = new StringTokenizer(ip, ".");try {ret[0] = (byte) (Integer.parseInt(st.nextToken()) & 0xFF);ret[1] = (byte) (Integer.parseInt(st.nextToken()) & 0xFF);ret[2] = (byte) (Integer.parseInt(st.nextToken()) & 0xFF);ret[3] = (byte) (Integer.parseInt(st.nextToken()) & 0xFF);} catch (Exception e) {logger.error("Error while getting IP byte array from string: {}", e.getMessage());}return ret;}public static String convertString(String input, String sourceEncoding, String targetEncoding) {try {return new String(input.getBytes(sourceEncoding), targetEncoding);} catch (UnsupportedEncodingException e) {logger.error("Error while converting string: {}", e.getMessage());}return input;}public static String convertBytesToString(byte[] byteArray, String encoding) {try {return new String(byteArray, encoding);} catch (UnsupportedEncodingException e) {logger.error("Error while converting bytes to string: {}", e.getMessage());}return new String(byteArray);}public static String convertBytesToString(byte[] byteArray, int offset, int length, String encoding) {try {return new String(byteArray, offset, length, encoding);} catch (UnsupportedEncodingException e) {logger.error("Error while converting bytes to string: {}", e.getMessage());}return new String(byteArray, offset, length);}public static String getIpStringFromBytes(byte[] ipBytes) {StringBuilder sb = new StringBuilder();sb.append(ipBytes[0] & 0xFF);sb.append('.');sb.append(ipBytes[1] & 0xFF);sb.append('.');sb.append(ipBytes[2] & 0xFF);sb.append('.');sb.append(ipBytes[3] & 0xFF);return sb.toString();}
}