Amap API 개발을 위해 Java를 활용한 행정구역 조회 기능 소개

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>fastjson</artifactId>
    <version>1.2.75</version>
</dependency>
<dependency>
    <groupId>org.apache.httpcomponents</groupId>
    <artifactId>httpclient</artifactId>
    <version>4.5.12</version>
</dependency>

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import java.io.IOException;

public class DistrictQuery {

    public static void main(String[] args) throws IOException {
        String key = "your-api-key";
        String keywords = "上海市";
        String url = "https://restapi.amap.com/v3/config/district?keywords=" + keywords + "&key=" + key;

        HttpClient httpClient = HttpClients.createDefault();
        HttpGet httpGet = new HttpGet(url);
        HttpResponse response = httpClient.execute(httpGet);
        HttpEntity entity = response.getEntity();
        String result = EntityUtils.toString(entity, "UTF-8");

        JSONObject jsonObject = JSONObject.parseObject(result);
        JSONArray districts = jsonObject.getJSONArray("districts");
        for (int i = 0; i < districts.size(); i++) {
            JSONObject district = districts.getJSONObject(i);
            String name = district.getString("name");
            String level = district.getString("level");
            String center = district.getString("center");

            System.out.println("名称：" + name);
            System.out.println("级别：" + level);
            System.out.println("中心点坐标：" + center);
        }
    }
}

名称：上海市
级别：province
中心点坐标：121.4737,31.2304
名称：上海市
级别：city
中心点坐标：121.4737,31.2304
名称：黄浦区
级别：district
中心点坐标：121.4846,31.2316
...