package com.dsh.course.util.GoogleMap; import com.alibaba.fastjson.JSON; import com.google.gson.Gson; import com.google.gson.GsonBuilder; import com.google.maps.*; import com.google.maps.model.*; import org.springframework.stereotype.Component; import java.time.Instant; /** * 谷歌地图工具类 */ @Component public class GoogleMapUtil { private final String key = "AIzaSyBNgMRPVj8zt4OEGrUoyHifEDE9SCHYSLE"; /** * 地理编码（地址获取位置坐标） * @param address 地址信息 * @throws Exception */ public GeocodeVo getGeocode(String address) throws Exception{ GeoApiContext context = new GeoApiContext.Builder() .apiKey(key) .build(); GeocodingResult[] results = GeocodingApi.geocode(context, address).await(); GeocodeVo vo = null; if(results.length > 0){ Gson gson = new GsonBuilder().setPrettyPrinting().create(); System.out.println(gson.toJson(results[0].addressComponents)); Geometry geometry = results[0].geometry; LatLng location = geometry.location; vo = new GeocodeVo(); vo.setLat(location.lat); vo.setLng(location.lng); } context.shutdown(); return vo; } /** * 逆地理编码获取地址信息 * @param lat 纬度 * @param lng 经度 * @return * @throws Exception */ public ReverseGeocodeVo getReverseGeocode(double lat, double lng) throws Exception{ GeoApiContext context = new GeoApiContext.Builder() .apiKey(key) .build(); GeocodingApiRequest request = GeocodingApi.reverseGeocode(context, new LatLng(lat, lng)); GeocodingResult[] results = request.await(); ReverseGeocodeVo vo = null; if(results.length > 0){ Gson gson = new GsonBuilder().setPrettyPrinting().create(); System.out.println(gson.toJson(results[0].addressComponents)); vo = new ReverseGeocodeVo(); AddressComponent[] addressComponents = results[0].addressComponents; AddressComponentsVo[] addressComponentsVos = new AddressComponentsVo[addressComponents.length]; for (int i = 0; i < addressComponents.length; i++) { AddressComponentsVo addressComponentsVos1 = new AddressComponentsVo(); addressComponentsVos1.setLongName(addressComponents[i].longName); addressComponentsVos1.setShortName(addressComponents[i].shortName); addressComponentsVos[i] = addressComponentsVos1; } String address = results[0].formattedAddress; vo.setAddressComponentsVos(addressComponentsVos); vo.setAddress(address); } context.shutdown(); return vo; } /** * 搜索地图获取地图结果 * @param input * @return * @throws Exception */ public FindPlaceFromTextVo findplacefromtext(String input) throws Exception{ GeoApiContext context = new GeoApiContext.Builder() .apiKey(key) .build(); FindPlaceFromTextRequest request = new FindPlaceFromTextRequest(context); request.input(input); request.inputType(FindPlaceFromTextRequest.InputType.TEXT_QUERY); FindPlaceFromText findPlaceFromText = request.await(); PlacesSearchResult[] candidates = findPlaceFromText.candidates; FindPlaceFromTextVo vo = null; System.err.println(JSON.toJSONString(candidates)); if(candidates.length > 0){ vo = new FindPlaceFromTextVo(); String formattedAddress = candidates[0].formattedAddress; String name = candidates[0].name; Geometry geometry = candidates[0].geometry; if(null == geometry){//没有返回结果，使用place_id继续搜索 // [{"permanentlyClosed":false,"placeId":"ChIJy1edVzvF7zYRaOqiGTkmb6I","rating":0.0,"userRatingsTotal":0}] String placeId = candidates[0].placeId; } LatLng location = geometry.location; double lat = location.lat; double lng = location.lng; vo.setName(name); vo.setAddress(formattedAddress); vo.setLat(lat); vo.setLng(lng); } return vo; } /** * 模糊搜索地图内容 * @param query * @return * @throws Exception */ public FindPlaceFromTextVo textsearch(String query) throws Exception{ GeoApiContext context = new GeoApiContext.Builder() .apiKey(key) .build(); TextSearchRequest request = new TextSearchRequest(context); request.query(query); PlacesSearchResponse placesSearchResponse = request.await(); PlacesSearchResult[] results = placesSearchResponse.results; FindPlaceFromTextVo vo = null; System.err.println(JSON.toJSONString(results)); if(results.length > 0){ vo = new FindPlaceFromTextVo(); String formattedAddress = results[0].formattedAddress; String name = results[0].name; Geometry geometry = results[0].geometry; LatLng location = geometry.location; double lat = location.lat; double lng = location.lng; vo.setName(name); vo.setAddress(formattedAddress); vo.setLat(lat); vo.setLng(lng); } return vo; } /** * 获取两个地点之间的预估里程和预估时间 * @param origin 起点名称 * @param destination 终点名称 * @return * @throws Exception */ public DistancematrixVo getDistancematrix(String origin, String destination) throws Exception{ GeoApiContext context = new GeoApiContext.Builder() .apiKey(key) .build(); DistanceMatrixApiRequest request = DistanceMatrixApi.getDistanceMatrix(context, new String[]{origin}, new String[]{destination}); request.mode(TravelMode.DRIVING);//出行方式（驾车） request.avoid(DirectionsApi.RouteRestriction.TOLLS); request.trafficModel(TrafficModel.BEST_GUESS); request.departureTime(Instant.now()); DistanceMatrix distanceMatrix = request.await(); Gson gson = new GsonBuilder().setPrettyPrinting().create(); System.out.println(gson.toJson(distanceMatrix)); context.shutdown(); DistanceMatrixElement elements = distanceMatrix.rows[0].elements[0]; DistancematrixVo vo = new DistancematrixVo(); vo.setDistance(elements.distance.inMeters); vo.setDuration(elements.duration.inSeconds); return vo; } /** * 获取两点之间的距离 * @param sLat * @param sLnt * @param eLat * @param eLnt * @return * @throws Exception */ public DistancematrixVo getDistancematrix(Double sLat, Double sLnt, Double eLat, Double eLnt) throws Exception{ GeoApiContext context = new GeoApiContext.Builder() .apiKey(key) .build(); DistanceMatrixApiRequest request = DistanceMatrixApi.newRequest(context); request.origins(new LatLng(sLat, sLnt)); request.destinations(new LatLng(eLat, eLnt)); request.mode(TravelMode.DRIVING);//出行方式（驾车） request.avoid(DirectionsApi.RouteRestriction.TOLLS); request.trafficModel(TrafficModel.BEST_GUESS); request.departureTime(Instant.now()); DistanceMatrix distanceMatrix = request.await(); Gson gson = new GsonBuilder().setPrettyPrinting().create(); System.out.println(gson.toJson(distanceMatrix)); context.shutdown(); DistanceMatrixElement elements = distanceMatrix.rows[0].elements[0]; DistancematrixVo vo = new DistancematrixVo(); vo.setDistance(elements.distance.inMeters); vo.setDuration(elements.duration.inSeconds); return vo; } /** * 获取两地点之间的线路规划 * @param origin 起点 要计算方向的位置ID、地址或文本纬度/经度值。目标参数的选项与原点参数的相同。 * @param destination 终点 要计算方向的位置ID、地址或文本纬度/经度值。目标参数的选项与原点参数的相同。 * */ public void getDirections(String origin, String destination) throws Exception{ GeoApiContext context = new GeoApiContext.Builder() .apiKey(key) .build(); DirectionsApiRequest directions = DirectionsApi.getDirections(context, origin, destination); directions.mode(TravelMode.BICYCLING);//出行方式（骑行） DirectionsResult result = directions.await(); Gson gson = new GsonBuilder().setPrettyPrinting().create(); System.out.println(gson.toJson(result)); context.shutdown(); } }