springboot + mongodb 通过经纬度坐标匹配平面区域的方法

/**

  *

  * @author cy

  */

@Configuration

@ReadingConverter

public class CustomReadGeoJsonConverter implements Converter<Document, CustomGeoJson> {

     @Override

     public CustomGeoJson convert(Document document) {

         CustomGeoJson geoJson = new CustomGeoJson();

         geoJson.setType(document.get(GeoJsonConstant.TYPE, String. class ));

         geoJson.setCoordinates(document.get(GeoJsonConstant.COORDINATES, Iterable. class ));

         return geoJson;

     }

}

@Configuration

public class Config {

     @Autowired

     private CustomReadGeoJsonConverter customReadGeoJsonConverter;

     @Bean

     public MongoCustomConversions customConversions() {

         List<Converter<?, ?>> converterList = new ArrayList<>();

         converterList.add(customReadGeoJsonConverter);

         return new MongoCustomConversions(converterList);

     }

}

/**

  * @author cy

  */

@Data

public class CustomGeoJson implements GeoJson, Serializable {

     private String type;

     private Iterable<?> coordinates;

}

/**

  * @author cy

  * @since 2021-10-20

  */

@Data

@Document (collection = "demo_mdb" )

public class DemoMdb implements Serializable {

     private String id;

     @GeoSpatialIndexed (type = GeoSpatialIndexType.GEO_2DSPHERE)

     private CustomGeoJson customGeoJson;

}

public void saveData() {

     //这里自定义point点集合(这里不固定格式参照mongdb官方文档)

     List<List<Point>> pointList = new ArrayList<>();

     DemoMdb db= new DemoMdb();

     //自行查看需要的类型

     db.setType( "***" );

     db.setCoordinates(pointList);

     //mongoTemplate自行引入不做赘述

     mongoTemplate.insert(db, DemoMdb . class );

}

/**

  ** 经度x纬度y

  **/

public List<DemoMdb> findData(String x, String y) {

         Query query = new Query(Criteria.where( "customGeoJson" ).

         intersects( new GeoJsonPoint(Double.valueOf(x), Double.valueOf(y))));

         List<DemoMdb> dbList = mongoTemplate.find(query, DemoMdb. class );

         return dbList;

}