使用Java和高德地图API将经纬度转换为地理位置信息的步骤

public class LocationFinder {
    public static void main(String[] args) {
        String longitude = "115.658755"; // 经度
        String latitude = "38.961134";   // 纬度
        String apiKey = "您的API密钥";  // 高德地图API密钥

        try {
            String location = getLocationFromCoordinates(longitude, latitude, apiKey);
            System.out.println("地理位置: " + location);
        } catch (Exception e) {
            e.printStackTrace();
            System.out.println("地理位置解析失败");
        }
    }
}

import com.google.gson.Gson;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

public static String getLocationFromCoordinates(String longitude, String latitude, String apiKey) {
    String url = "https://restapi.amap.com/v3/geocode/regeo?key=" + apiKey + "&location=" + longitude + "," + latitude;
    HttpURLConnection connection = null;
    BufferedReader reader = null;

    try {
        connection = (HttpURLConnection) new URL(url).openConnection();
        connection.setRequestMethod("GET");
        reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        StringBuilder response = new StringBuilder();
        String line;

        while ((line = reader.readLine()) != null) {
            response.append(line);
        }

        Gson gson = new Gson();
        GaoDeDTO gaoDeDTO = gson.fromJson(response.toString(), GaoDeDTO.class);
        GaoDeDTO.RegeocodeDTO.AddressComponentDTO addressComponent = gaoDeDTO.getRegeocode().getAddressComponent();
        String province = addressComponent.getProvince();
        String cityStr = getStringFromObject(addressComponent.getCity());
        String districtStr = getStringFromObject(addressComponent.getDistrict());

        return province + cityStr + districtStr;
    } catch (Exception e) {
        return "境外地址，无法解析";
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        if (connection != null) {
            connection.disconnect();
        }
    }
}

 // 从对象中获取字符串
private static String getStringFromObject(Object obj) {
   if (obj instanceof String) {
       return " " + (String) obj;
   } else if (obj instanceof List) {
       List<String> list = (List<String>) obj;
       if (!list.isEmpty()) {
           return " " + list.get(0);
       }
   }
   return "";
}

/**
 * @author lxy
 * @date 2024/5/13
 */
@NoArgsConstructor
@Data
public class GaoDeDTO {
    @JsonProperty("info")
    private String info;
    @JsonProperty("infocode")
    private String infocode;
    @JsonProperty("regeocode")
    private RegeocodeDTO regeocode;
    @JsonProperty("status")
    private String status;

    @NoArgsConstructor
    @Data
    public static class RegeocodeDTO {
        @JsonProperty("addressComponent")
        private AddressComponentDTO addressComponent;
        @JsonProperty("formatted_address")
        private String formattedAddress;

        @NoArgsConstructor
        @Data
        public static class AddressComponentDTO {
            @JsonProperty("adcode")
            private String adcode;
            @JsonProperty("city")
            private Object city;
            @JsonProperty("citycode")
            private String citycode;
            @JsonProperty("country")
            private String country;
            @JsonProperty("district")
            private Object district;

            @JsonProperty("province")
            private String province;
            @JsonProperty("towncode")
            private String towncode;
            @JsonProperty("township")
            private String township;


        }
    }
}

public class LocationUtil {
	/**
	 * 通过地址位置信息，解析城市信息
	 * @param location 地理信息，格式 经度,纬度
	 *  114.05,22.55
	 * @return
	 */
	public static String parseLocation(String location){
		// https://lbs.amap.com/api/webservice/guide/api/georegeo 逆地址解析
		// amap_api 注册高德地图开发者，创建应用，获取apikey
		//测试key:8f21643950153e066e4bfefc3d244e19
		String amap_api_key = "这里需要填写高德地图apiKey";
		String url = "https://restapi.amap.com/v3/geocode/regeo?key="+amap_api_key+"&"+"location="+location;
		String jsonData =  HttpUtil.httpGet(url);
		JSONObject jsonLocation = JSON.parseObject(jsonData);
		String city = "";
		if("1".equals(jsonLocation.getString("status"))){
			JSONObject addressComponent =jsonLocation.getJSONObject("regeocode").getJSONObject("addressComponent");
			Object obj = null;
			// 如果是非直辖市，city返回数据
			if((obj = addressComponent.get("city")) instanceof String){
				city=  (String)obj;
			}else if ((obj = addressComponent.get("province")) instanceof String){
				// 如果是直辖市，通过province返回数据
				city= (String)obj;
			}
			city = city.replace("市","");
		}
		return city;
	}
}