小程序地图转百度地图坐标

public class MapConvertUtil {
    /**
     * 坐标转换，腾讯地图坐标转换成百度地图坐标
     * @param lat 腾讯纬度
     * @param lon 腾讯经度
     * @return 返回结果：经度,纬度
     */
    public static  double[] qqToBaidu(double lat, double lon){
        double bd_lat;
        double bd_lon;
        double x_pi=3.14159265358979324;
        double x = lon, y = lat;
        double z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * x_pi);
        double theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * x_pi);
        bd_lon = z * Math.cos(theta) + 0.0065;
        bd_lat = z * Math.sin(theta) + 0.006;
        System.out.println("bd_lat:"+bd_lat);
        System.out.println("bd_lon:"+bd_lon);
        return new double[]{bd_lat,bd_lon};
    }
    /**
     * 坐标转换，百度地图坐标转换成腾讯地图坐标
     * @param lat  百度坐标纬度
     * @param lon  百度坐标经度
     * @return 返回结果：纬度,经度
     */
    public static double[] baiduToQq(double lat, double lon){
        double tx_lat;
        double tx_lon;
        double x_pi=3.14159265358979324;
        double x = lon - 0.0065, y = lat - 0.006;
        double z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * x_pi);
        double theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * x_pi);
        tx_lon = z * Math.cos(theta);
        tx_lat = z * Math.sin(theta);
        return new double[]{tx_lat,tx_lon};
    }
}

 //腾讯地图坐标转百度地图坐标
   qqToBaidu(lng, lat) {
      if (lng == null || lng == '' || lat == null || lat == '')
        return [lng, lat];
      var x_pi = 3.14159265358979324;
      var x = parseFloat(lng);
      var y = parseFloat(lat);
      var z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * x_pi);
      var theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * x_pi);
      var lng = (z * Math.cos(theta) + 0.0065).toFixed(8);
      var lat = (z * Math.sin(theta) + 0.006).toFixed(8);
      return [lng, lat];
    },