注意:需要自行申请key,在代码相应位置替换,参考官方地址:腾讯位置服务 - 立足生态,连接未来
下面上代码
import com.alibaba.fastjson.JSONObject;
import com.cxt.car.po.dto.address.Result;
import com.cxt.car.util.baseUtils.JsonUtil;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
/**
* @Author: yansf
* @Description:根据经纬度获取地址
* @Date:Creat in 20:20 2019/12/11
* @Modified By:
*/
public class AddressUntils {
static String secretKey = "此处是申请的key";
/**
* @param lat 纬度
* @param lng 经度
* @return
*/
public static Result getAddress(String lat, String lng) throws IOException {
JSONObject obj = getLocationInfo(lat, lng).getJSONObject("result");
System.out.println(obj);
Result result = JsonUtil.fromJson(obj.toString(), Result.class);
return result;
}
public static JSONObject getLocationInfo(String lat, String lng) throws IOException {
String urlString = "https://apis.map.qq.com/ws/geocoder/v1/?location=" + lat + "," + lng + "&key=" + secretKey;
System.out.println("请求经纬度url:" + urlString);
URL url = new URL(urlString);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setDoInput(true);
conn.setRequestMethod("GET");
BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
String line;
String res = "";
while ((line = in.readLine()) != null) {
res += line + "\n";
}
in.close();
JSONObject jsonObject = JSONObject.parseObject(res);
return jsonObject;
}
public static void main(String[] args) throws IOException {
Result address = getAddress("30.2084", "120.21201");
System.out.println(address.ad_info.city);
}
}
返回的json串:
{"address":"浙江省杭州市滨江区人民路6号","ad_info":{"province":"浙江省","adcode":"330108","nation":"中国","city":"杭州市","district":"滨江区","name":"中国,浙江省,杭州市,滨江区","city_code":"156330100","location":{"lng":120.220459,"lat":30.16667},"nation_code":"156"},"address_reference":{"town":{"_distance":0,"_dir_desc":"内","location":{"lng":120.233566,"lat":30.183102},"id":"330108001","title":"西兴街道"},"street":{"_distance":8.6,"_dir_desc":"北","location":{"lng":120.206032,"lat":30.204729},"id":"1172092355888263234","title":"新月路"},"crossroad":{"_distance":193,"_dir_desc":"东","location":{"lng":120.21003,"lat":30.208891},"id":"6417297","title":"丹枫路/泰安路(路口)"},"street_number":{"_distance":0,"_dir_desc":"","location":{"lng":120.211739,"lat":30.20863},"id":"6709388790419249714","title":"人民路6号"},"landmark_l2":{"_distance":0,"_dir_desc":"内","location":{"lng":120.211739,"lat":30.20863},"id":"13795638749391557063","title":"滨江区政府"}},"location":{"lng":120.21201,"lat":30.2084},"formatted_addresses":{"rough":"滨江区政府(新月路北)","recommend":"滨江区政府(新月路北)"},"address_component":{"province":"浙江省","nation":"中国","city":"杭州市","street":"人民路","district":"滨江区","street_number":"人民路6号"}}
此处推荐个地址(json转实体类):JSON转C#实体类-BeJSON.com
【java自行修改一下格式】代码中用到的实体类就用下面这种方式转换即可
代码中还用到了一个工具类,将json转换成实体类
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
/**
* @Author: yansf
* @Description:JSON工具类
* @Date:Creat in 17:22 2019/12/10
* @Modified By:
*/
public class JsonUtil {
private static final Logger LOGGER = LoggerFactory.getLogger(JsonUtil.class);
private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
/**
* 将POJO转换为JSON
*/
public static String toJson(T obj) {
String json;
try {
json = OBJECT_MAPPER.writeValueAsString(obj);
} catch (JsonProcessingException e) {
LOGGER.error("convert POJO to JSON failure", e);
throw new RuntimeException(e);
//e.printStackTrace();
}
return json;
}
/**
* 将JSON转为POJO
*/
public static T fromJson(String json, Class type) {
T pojo;
try {
pojo = OBJECT_MAPPER.readValue(json, type);
} catch (IOException e) {
LOGGER.error("convert JSON to POJO failure", e);
throw new RuntimeException(e);
//e.printStackTrace();
}
return pojo;
}
}
运行结果: