package com.dsh.activity.util;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.JSONArray;
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import com.alibaba.fastjson.JSONObject;
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import com.dsh.activity.util.httpClinet.HttpClientUtil;
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import com.dsh.activity.util.httpClinet.HttpResult;
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import org.springframework.stereotype.Component;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* 高德地图的地理编码工具类
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*/
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@Component
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public class GDMapGeocodingUtil {
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private String key = "fb131ad2dbfb3f39d7d37d244b92aa2d";
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/**
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* 将行政区域名称转化为坐标
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*
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* @param province
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* @param city
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* @param county
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* @param address
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* @return
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*/
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public Map<String, Object> geocoding(String province, String city, String county, String address) throws Exception {
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Map<String, Object> map = new HashMap<>();
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if (ToolUtil.isEmpty(province)) {
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map.put("status", -1);
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map.put("data", "省不能为空");
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return map;
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}
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if ((ToolUtil.isEmpty(city) && ToolUtil.isNotEmpty(county)) || (ToolUtil.isEmpty(city) && ToolUtil.isNotEmpty(address))) {
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map.put("status", -1);
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map.put("data", "市不能为空");
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return map;
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}
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if ((ToolUtil.isEmpty(county) && ToolUtil.isNotEmpty(address))) {
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map.put("status", -1);
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map.put("data", "县/区不能为空");
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return map;
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}
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String url = "https://restapi.amap.com/v3/geocode/geo?key=" + key + "&output=JSON";
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url += "&address=" + province + (ToolUtil.isNotEmpty(city) ? city : "") + (ToolUtil.isNotEmpty(county) ? county : "") + (ToolUtil.isNotEmpty(address) ? address : "");
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HttpResult httpResult = HttpClientUtil.pushHttpRequset("GET", url, null, null, "json");
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JSONObject jsonObject = JSON.parseObject(httpResult.getData());
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String status = jsonObject.getString("status");
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List<String> list = new ArrayList<>();
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if (status.equals("1")) {
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JSONArray geocodes = jsonObject.getJSONArray("geocodes");
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for (int i = 0; i < geocodes.size(); i++) {
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String location = geocodes.getJSONObject(i).getString("location");
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list.add(location);
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}
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}
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map.put("status", 0);
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map.put("data", list);
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return map;
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}
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public Map<String, Object> geocoding(String address) throws Exception {
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Map<String, Object> map = new HashMap<>();
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String url = "https://restapi.amap.com/v3/geocode/geo?key=" + key + "&output=JSON&address=" + address;
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HttpResult httpResult = HttpClientUtil.pushHttpRequset("GET", url, null, null, "json");
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JSONObject jsonObject = JSON.parseObject(httpResult.getData());
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String status = jsonObject.getString("status");
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List<String> list = new ArrayList<>();
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if (status.equals("1")) {
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JSONArray geocodes = jsonObject.getJSONArray("geocodes");
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for (int i = 0; i < geocodes.size(); i++) {
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String location = geocodes.getJSONObject(i).getString("location");
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list.add(location);
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}
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}
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map.put("status", 0);
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map.put("data", list);
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return map;
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}
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/**
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* 根据经纬度获取行政区域信息
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*
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* @param lon
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* @param lan
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* @return
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* @throws Exception
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*/
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public Map<String, String> geocode(String lon, String lan) throws Exception {
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String url = "https://restapi.amap.com/v3/geocode/regeo?key=" + key + "&location=" + lon + "," + lan;
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HttpResult httpResult = HttpClientUtil.pushHttpRequset("GET", url, null, null, "json");
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JSONObject jsonObject = JSON.parseObject(httpResult.getData());
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Map<String, String> map = new HashMap<>();
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if (jsonObject.getString("status").equals("1")) {
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JSONObject regeocode = jsonObject.getJSONObject("regeocode");
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JSONObject addressComponent = regeocode.getJSONObject("addressComponent");
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String address = regeocode.getString("formatted_address");
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map.put("address", address);
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String code = addressComponent.getString("adcode");
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String province = addressComponent.getString("province");
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String city = addressComponent.getString("city");
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String district = addressComponent.getString("district");
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if("[]".equals(code)){
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System.err.println("经纬度转行政区划代码失败[" + lon + "," + lan + "]");
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return null;
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}
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map.put("province", province);
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map.put("provinceCode", code.substring(0, 2) + "0000");
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map.put("city", city);
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map.put("cityCode", code.substring(0, 4) + "00");
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map.put("district", district);
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map.put("districtCode", code);
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}
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return map;
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}
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/**
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* 坐标转换
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*
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* @param locations 经度和纬度用","分割，经度在前，纬度在后，经纬度小数点后不得超过6位。多个坐标对之间用”|”进行分隔最多支持40对坐标。
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* @param coordsys 可选值：gps;mapbar;baidu;autonavi(不进行转换)
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* @return
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* @throws Exception
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*/
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public Map<String, String> convert(String locations, String coordsys) throws Exception {
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String url = "https://restapi.amap.com/v3/assistant/coordinate/convert?locations=" + locations + "&coordsys=" + coordsys + "&output=json&key=" + key;
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HttpResult httpResult = HttpClientUtil.pushHttpRequset("GET", url, null, null, "json");
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JSONObject jsonObject = JSON.parseObject(httpResult.getData());
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Map<String, String> map = new HashMap<>();
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if ("1".equals(jsonObject.getString("status"))) {
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map.put("code", jsonObject.getString("infocode"));//"10000"
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map.put("info", jsonObject.getString("info"));//status为0时，info返回错误原；否则返回“OK”。
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map.put("locations", jsonObject.getString("locations").split(";")[0]);//转换之后的坐标。若有多个坐标，则用 “;”进行区分和间隔
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} else {
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map.put("code", jsonObject.getString("infocode"));
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map.put("info", jsonObject.getString("info"));//status为0时，info返回错误原；否则返回“OK”。
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}
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return map;
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}
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}
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