java根据经纬度获取所在区域
时间: 2023-12-03 16:04:07 浏览: 77
要根据经纬度获取所在区域,需要使用地图API,例如高德地图API或百度地图API。这些API提供了反向地理编码功能,可以将经纬度转换为具体的地理位置信息,如城市、区域、街道等。
以下是使用高德地图API进行经纬度反向地理编码的示例代码:
```java
import com.alibaba.fastjson.JSONObject;
import com.google.common.collect.Maps;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.client.RestTemplate;
import java.util.Map;
@Service
public class GeoCoderService {
private final RestTemplate restTemplate;
private final static String GEO_CODER_URL = "https://restapi.amap.com/v3/geocode/regeo";
private final static String KEY = "your_amap_key";
public GeoCoderService(RestTemplate restTemplate) {
this.restTemplate = restTemplate;
}
/**
* 根据经纬度获取位置信息
*
* @param longitude 经度
* @param latitude 纬度
* @return 位置信息
*/
public String getLocationInfo(double longitude, double latitude) {
Map<String, Object> params = Maps.newHashMap();
params.put("location", longitude + "," + latitude);
params.put("key", KEY);
String result = restTemplate.getForObject(GEO_CODER_URL + "?" + joinParams(params), String.class);
JSONObject jsonObject = JSONObject.parseObject(result);
if (jsonObject != null && jsonObject.getInteger("status") == 1) {
JSONObject regeocode = jsonObject.getJSONObject("regeocode");
if (regeocode != null) {
JSONObject addressComponent = regeocode.getJSONObject("addressComponent");
if (addressComponent != null) {
String province = addressComponent.getString("province");
String city = addressComponent.getString("city");
String district = addressComponent.getString("district");
String township = addressComponent.getString("township");
String street = addressComponent.getString("street");
String streetNumber = addressComponent.getString("streetNumber");
return StringUtils.join(new String[]{province, city, district, township, street, streetNumber}, "");
}
}
}
return "";
}
private String joinParams(Map<String, Object> params) {
StringBuilder sb = new StringBuilder();
for (Map.Entry<String, Object> entry : params.entrySet()) {
sb.append(entry.getKey()).append("=").append(entry.getValue()).append("&");
}
return sb.toString();
}
}
```
在上面的代码中,`getKey()`方法中需要填写你自己的高德地图API Key。`getLocationInfo()`方法接收经度和纬度参数,返回该经纬度所在的位置信息,包括省、市、区、街道等信息。
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