/*
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* Copyright (c) 2018-2028, Chill Zhuang All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* Neither the name of the dreamlu.net developer nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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* Author: Chill 庄骞 (smallchill@163.com)
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*/
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package org.sxkj.gd.utils;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import lombok.extern.slf4j.Slf4j;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springblade.core.tool.utils.StringUtil;
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import org.springframework.web.client.RestTemplate;
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import java.net.URI;
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import java.nio.charset.StandardCharsets;
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import org.springframework.web.util.UriUtils;
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@Slf4j
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public class GdGeoAddressUtil {
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private static final Logger logger = LoggerFactory.getLogger(GdGeoAddressUtil.class);
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private static final String TIAN_DI_TU_KEY = "9171789c872b8cfee7bba45c35a6b955";
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private static final String TIAN_DI_TU_URL = "https://api.tianditu.gov.cn/geocoder";
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private static final RestTemplate REST_TEMPLATE = new RestTemplate();
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private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
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public static String getFormattedAddress(Double longitude, Double latitude) {
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if (longitude == null || latitude == null) {
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return null;
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}
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try {
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String postStr = String.format("{'lon':%s,'lat':%s,'ver':1}", longitude, latitude);
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String address = requestAddress(postStr);
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return StringUtil.isBlank(address) ? null : address;
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} catch (Exception e) {
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logger.warn("天地图逆地理编码调用失败", e);
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return null;
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}
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}
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/**
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* 根据经纬度获取区县代码
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* @param longitude 经度
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* @param latitude 纬度
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* @return 区县代码（已去除156国家代码前缀）
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*/
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public static String getCountyCode(Double longitude, Double latitude) {
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if (longitude == null || latitude == null) {
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return null;
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}
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try {
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String postStr = String.format("{'lon':%s,'lat':%s,'ver':1}", longitude, latitude);
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String countyCode = requestCountyCode(postStr);
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// 去除156国家代码前缀
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return StringUtil.isBlank(countyCode) ? null : removeCountryCodePrefix(countyCode);
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} catch (Exception e) {
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logger.warn("天地图逆地理编码获取区县代码失败", e);
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return null;
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}
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}
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/**
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* 根据经纬度获取街道代码
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* @param longitude 经度
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* @param latitude 纬度
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* @return 街道代码（已去除156国家代码前缀）
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*/
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public static String getTownCode(Double longitude, Double latitude) {
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if (longitude == null || latitude == null) {
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return null;
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}
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try {
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String postStr = String.format("{'lon':%s,'lat':%s,'ver':1}", longitude, latitude);
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String townCode = requestTownCode(postStr);
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// 去除156国家代码前缀
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return StringUtil.isBlank(townCode) ? null : removeCountryCodePrefix(townCode);
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} catch (Exception e) {
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logger.warn("天地图逆地理编码获取街道代码失败", e);
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return null;
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}
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}
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/**
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* 去除行政区划代码中的156国家代码前缀
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* @param code 原始行政区划代码
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* @return 去除156前缀后的代码
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*/
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private static String removeCountryCodePrefix(String code) {
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if (StringUtil.isBlank(code)) {
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return code;
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}
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// 156是中国的国家代码，去除前缀
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return code.startsWith("156") ? code.substring(3) : code;
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}
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private static String requestAddress(String postStr) {
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String encodedPostStr = UriUtils.encodeQueryParam(postStr, StandardCharsets.UTF_8);
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String url = TIAN_DI_TU_URL + "?postStr=" + encodedPostStr + "&type=geocode&tk=" + TIAN_DI_TU_KEY;
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URI uri = URI.create(url);
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log.info("天地图逆地理编码请求地址：{}", url);
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String response = REST_TEMPLATE.getForObject(uri, String.class);
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if (StringUtil.isBlank(response)) {
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return null;
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}
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try {
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log.info("天地图逆地理编码结果：{}", response);
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JsonNode root = OBJECT_MAPPER.readTree(response);
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String address = root.path("result").path("formatted_address").asText();
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return StringUtil.isBlank(address) ? null : address;
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} catch (Exception e) {
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logger.warn("解析天地图逆地理编码结果失败", e);
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return null;
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}
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}
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/**
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* 请求天地图API获取区县代码
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* @param postStr 请求参数
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* @return 区县代码
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*/
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private static String requestCountyCode(String postStr) {
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String encodedPostStr = UriUtils.encodeQueryParam(postStr, StandardCharsets.UTF_8);
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String url = TIAN_DI_TU_URL + "?postStr=" + encodedPostStr + "&type=geocode&tk=" + TIAN_DI_TU_KEY;
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URI uri = URI.create(url);
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String response = REST_TEMPLATE.getForObject(uri, String.class);
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if (StringUtil.isBlank(response)) {
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return null;
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}
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try {
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log.info("天地图逆地理编码结果：{}", response);
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JsonNode root = OBJECT_MAPPER.readTree(response);
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String countyCode = root.path("result").path("addressComponent").path("county_code").asText();
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return StringUtil.isBlank(countyCode) ? null : countyCode;
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} catch (Exception e) {
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logger.warn("解析天地图逆地理编码区县代码失败", e);
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return null;
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}
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}
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/**
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* 请求天地图API获取街道代码
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* @param postStr 请求参数
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* @return 街道代码
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*/
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private static String requestTownCode(String postStr) {
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// 步骤1：构建请求URL
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String encodedPostStr = UriUtils.encodeQueryParam(postStr, StandardCharsets.UTF_8);
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String url = TIAN_DI_TU_URL + "?postStr=" + encodedPostStr + "&type=geocode&tk=" + TIAN_DI_TU_KEY;
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URI uri = URI.create(url);
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// 步骤2：发送HTTP请求
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String response = REST_TEMPLATE.getForObject(uri, String.class);
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if (StringUtil.isBlank(response)) {
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return null;
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}
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// 步骤3：解析JSON响应
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try {
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log.info("天地图逆地理编码结果：{}", response);
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JsonNode root = OBJECT_MAPPER.readTree(response);
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// 步骤4：提取街道代码
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String townCode = root.path("result").path("addressComponent").path("town_code").asText();
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return StringUtil.isBlank(townCode) ? null : townCode;
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} catch (Exception e) {
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logger.warn("解析天地图逆地理编码街道代码失败", e);
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return null;
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}
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}
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// public static void main(String[] args) {
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// String formattedAddress = getFormattedAddress(116.39742, 39.90923);
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// String countyCode = getCountyCode(116.39742, 39.90923);
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// System.out.println("地址：" + formattedAddress);
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// System.out.println("区县代码：" + countyCode);
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// }
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}
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