高德地图坐标系（GCJ-02）与百度坐标系（BD-09）互相转换

最新推荐文章于 2025-10-11 16:06:55 发布

原创最新推荐文章于 2025-10-11 16:06:55 发布 · 1.8w 阅读

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一：代码段（高德转百度）
@Slf4j
public class CoordinatesConvertUtil {

    private  static double x_pi = 3.14159265358979324 * 3000.0 / 180.0;

    /**
     * 高德地图坐标转化为百度坐标
     * @param cordinatesVo
     */
    public static MapCordinatesVo bd_encrypt(MapCordinatesVo cordinatesVo)

    {
        if(cordinatesVo.getLat() == null || cordinatesVo.getLon() == null) {
            log.info("地图坐标不能为空，{}", JSON.toJSONString(cordinatesVo));
            return cordinatesVo;
        }

        log.info("地图坐标转化开始---》{}", JSON.toJSONString(cordinatesVo));
        double x = cordinatesVo.getLon().doubleValue(), y = cordinatesVo.getLat().doubleValue();

        double z = sqrt(x * x + y * y) + 0.00002 * sin(y * x_pi);

        double theta = atan2(y, x) + 0.000003 * cos(x * x_pi);

        double bd_lon = z * cos(theta) + 0.0065;

        double bd_lat = z * sin(theta) + 0.006;

        MapCordinatesVo mapCordinatesVo = new MapCordinatesVo();
        BigDecimal lat = new BigDecimal(bd_lat);
        BigDecimal lon = new BigDecimal(bd_lon);

        mapCordinatesVo.setLat(lat.setScale(6,   BigDecimal.ROUND_HALF_DOWN));
        mapCordinatesVo.setLon(lon.setScale(6,   BigDecimal.ROUND_HALF_DOWN));

        log.info("地图坐标转换结束----》转化之前：{}；转化之后：{}", JSON.toJSONString(cordinatesVo), 
                 JSON.toJSONString(mapCordinatesVo));
        return mapCordinatesVo;
    }
}

二：vo模型
@Data
public class MapCordinatesVo extends BasePo {

    /**
     * 纬度
     */
    private BigDecimal lat;

    /**
     * 经度
     */
    private BigDecimal lon;
}

三：百度坐标系转高德

public static void bd_decrypt(double bd_lat, double bd_lon)
{
    double x = bd_lon - 0.0065, y = bd_lat - 0.006;
    double z = sqrt(x * x + y * y) - 0.00002 * sin(y * x_pi);
    double theta = atan2(y, x) - 0.000003 * cos(x * x_pi);
    double gg_lon = z * cos(theta);
    double gg_lat = z * sin(theta);

    BigDecimal lat = new BigDecimal(gg_lat);
    BigDecimal lon = new BigDecimal(gg_lon);
    System.out.println(bd_lat+","+bd_lon);
    System.out.println(gg_lat+","+gg_lon);
    System.out.println(lat.setScale(6,   BigDecimal.ROUND_HALF_DOWN)+","+lon.setScale(6,   
                       BigDecimal.ROUND_HALF_DOWN));
}