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提交获取地理位置谷歌版

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wangyu
2026-06-02 09:46:03 +08:00
parent 55443dac9e
commit bb45c2bb38
3 changed files with 82 additions and 49 deletions
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28
fad-app/src/main/java/com/ruoyi/fadapp/controller/FadAppLocationController.java
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@@ -9,6 +9,9 @@ import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import java.util.HashMap;
import java.util.Map;
/**
* FAD APP 定位控制器
*/
@@ -21,14 +24,25 @@ public class FadAppLocationController {
private final IFadAppLocationService locationService;
/**
* 根据经纬度获取城市
*
* @param latitude 纬度
* @param longitude 经度
* @return 城市名称
* 兼容老接口：返回单一城市/区县字符串。
* 用 Map 包一层避开 R.ok(String) 把字符串塞到 msg 的重载冲突。
*/
@GetMapping("/city")
public R<String> getCity(@RequestParam Double latitude, @RequestParam Double longitude) {
return R.ok(locationService.getCityByLocation(latitude, longitude));
public R<Map<String, Object>> getCity(@RequestParam Double latitude,
@RequestParam Double longitude) {
String city = locationService.getCityByLocation(latitude, longitude);
Map<String, Object> data = new HashMap<>();
data.put("city", city);
return R.ok(data);
}
/**
* 精确到区县的结构化地址。
* 返回：province / city / district / township / adcode / address。
*/
@GetMapping("/detail")
public R<Map<String, Object>> getDetail(@RequestParam Double latitude,
@RequestParam Double longitude) {
return R.ok(locationService.getDetailedLocation(latitude, longitude));
}
}

16
fad-app/src/main/java/com/ruoyi/fadapp/service/IFadAppLocationService.java
View File

@@ -1,16 +1,18 @@
package com.ruoyi.fadapp.service;
import java.util.Map;
/**
* FAD APP 定位服务接口
*/
public interface IFadAppLocationService {
/**
* 根据经纬度获取城市
*
* @param latitude 纬度
* @param longitude 经度
* @return 城市名称
*/
/** 老接口：返回单一最精准的可读地址（兼容用），优先 district。 */
String getCityByLocation(Double latitude, Double longitude);
/**
* 结构化逆地理编码。
* 返回字段：province / city / district / township / adcode / address。
*/
Map<String, Object> getDetailedLocation(Double latitude, Double longitude);
}

87
fad-app/src/main/java/com/ruoyi/fadapp/service/impl/FadAppLocationServiceImpl.java
View File

@@ -2,37 +2,58 @@ package com.ruoyi.fadapp.service.impl;
import com.alibaba.fastjson2.JSONObject;
import com.ruoyi.fadapp.service.IFadAppLocationService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.web.client.RestTemplate;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
/**
* FAD APP 定位服务实现
* FAD APP 定位服务实现，调高德逆地理编码 API
*/
@Slf4j
@RequiredArgsConstructor
@Service
public class FadAppLocationServiceImpl implements IFadAppLocationService {
private static final String AMAP_REVERSE_URL = "https://restapi.amap.com/v3/geocode/regeo";
private final RestTemplate restTemplate = new RestTemplate();
private final RestTemplate restTemplate;
@Value("${fad.amap.key:}")
private String amapKey;
/**
* 兼容老接口：只取一个尽量精准的可读地址字符串。
* 优先级：district → city → province。
*/
@Override
public String getCityByLocation(Double latitude, Double longitude) {
if (latitude == null || longitude == null) {
return "";
}
Map<String, Object> d = getDetailedLocation(latitude, longitude);
if (d == null) return "";
Object dist = d.get("district");
if (dist != null && !dist.toString().isEmpty()) return dist.toString();
Object city = d.get("city");
if (city != null && !city.toString().isEmpty()) return city.toString();
Object prov = d.get("province");
return prov == null ? "" : prov.toString();
}
/**
* 返回结构化地址：province / city / district / address(完整) / adcode。
* 失败时返回空 Map。
*/
@Override
public Map<String, Object> getDetailedLocation(Double latitude, Double longitude) {
Map<String, Object> empty = new HashMap<>();
if (latitude == null || longitude == null) return empty;
if (!org.springframework.util.StringUtils.hasText(amapKey)) {
log.warn("高德地图 key 未配置");
return "";
return empty;
}
try {
@@ -45,43 +66,39 @@ public class FadAppLocationServiceImpl implements IFadAppLocationService {
params.put("output", "JSON");
StringBuilder url = new StringBuilder(AMAP_REVERSE_URL).append("?");
params.forEach((key, value) -> url.append(key).append("=").append(value).append("&"));
params.forEach((k, v) -> url.append(k).append("=").append(v).append("&"));
url.setLength(url.length() - 1);
JSONObject response = restTemplate.getForObject(url.toString(), JSONObject.class);
if (response == null) {
return "";
}
if (!"1".equals(response.getString("status"))) {
if (response == null || !"1".equals(response.getString("status"))) {
log.warn("高德逆地理编码失败: {}", response);
return "";
return empty;
}
JSONObject regeocode = response.getJSONObject("regeocode");
if (regeocode == null) {
return "";
}
if (regeocode == null) return empty;
String formatted = regeocode.getString("formatted_address");
JSONObject ac = regeocode.getJSONObject("addressComponent");
if (ac == null) return empty;
JSONObject addressComponent = regeocode.getJSONObject("addressComponent");
if (addressComponent == null) {
return "";
}
String city = addressComponent.getString("city");
if (org.springframework.util.StringUtils.hasText(city)) {
return city;
}
String province = addressComponent.getString("province");
if (org.springframework.util.StringUtils.hasText(province)) {
return province;
}
return "";
Map<String, Object> out = new LinkedHashMap<>();
out.put("province", _str(ac, "province"));
out.put("city", _str(ac, "city"));
out.put("district", _str(ac, "district"));
out.put("township", _str(ac, "township"));
out.put("adcode", _str(ac, "adcode"));
out.put("address", formatted == null ? "" : formatted);
return out;
} catch (Exception e) {
log.warn("根据经纬度获取城市失败, latitude={}, longitude={}, err={}", latitude, longitude, e.getMessage());
return "";
log.warn("根据经纬度获取地址失败, lat={}, lng={}, err={}", latitude, longitude, e.getMessage());
return empty;
}
}
private String _str(JSONObject o, String key) {
Object v = o.get(key);
if (v == null) return "";
// 高德对部分字段（如 city 是直辖市时）会返回空数组 []
if (v instanceof java.util.List && ((java.util.List<?>) v).isEmpty()) return "";
return v.toString();
}
}