How to get the path information in the ghresponse object in the page?

[17631553844]

I’m sorry to trouble you. I’m a beginner in graphopper.

Using the spring boot framework, I’m ready to display the map and navigate.

I introduced graphoper with Maven according to the document of graphoper, and wrote a controller to respond to the request according to the official document. Here is my code:

@RequestMapping("/")
@ResponseBody
public GHResponse mytest(){
    GraphHopper hopper = new GraphHopperOSM().forServer();
    hopper.setMinNetworkSize(0, 0);
    hopper.setDataReaderFile("src\\main\\resources\\static\\osm\\01.osm");
    hopper.setGraphHopperLocation("src\\main\\resources\\static\\mapStorage\\resource");
    hopper.setEncodingManager(EncodingManager.create("car"));
    hopper.importOrLoad();
    double latFrom =38.871352;
    double lonFrom =115.453452;
    double latTo =38.871352;
    double lonTo =115.453356;
    GHRequest req = new GHRequest(latFrom, lonFrom, latTo, lonTo).
            setWeighting("fastest").
            setVehicle("car").
            setLocale(Locale.US);
    GHResponse rsp = hopper.route(req);
    return rsp;
}

Although I can see the information of the RSP object in debug, the RSP object returned to the page cannot display the data I saw in debug

This is my debug message：

This is the data I returned to the page：

{
	"paths": {
		"distance": 12.756846684008838,
		"weight": 0.45879048062431826,
		"time": 458,
		"ascend": 0.0,
		"descend": 0.0,
		"instructions": [{
			"points": {
				"size": 1,
				"empty": false,
				"immutable": false,
				"dimension": 2,
				"3D": false
			},
			"annotation": {
				"empty": true,
				"importance": 0,
				"message": ""
			},
			"sign": 0,
			"name": "",
			"distance": 2.1719677066689083,
			"time": 78,
			"length": 1,
			"extraInfoJSON": {
				"heading": 3.78
			}
		}, {
			"points": {
				"size": 1,
				"empty": false,
				"immutable": true,
				"dimension": 2,
				"3D": false
			},
			"annotation": {
				"empty": true,
				"importance": 0,
				"message": ""
			},
			"sign": -2,
			"name": "",
			"distance": 8.498999999999999,
			"time": 305,
			"length": 1,
			"extraInfoJSON": {}
		}, {
			"points": {
				"size": 1,
				"empty": false,
				"immutable": false,
				"dimension": 2,
				"3D": false
			},
			"annotation": {
				"empty": true,
				"importance": 0,
				"message": ""
			},
			"sign": -2,
			"name": "",
			"distance": 2.0858789773399318,
			"time": 75,
			"length": 1,
			"extraInfoJSON": {}
		}, {
			"points": {
				"size": 1,
				"empty": false,
				"immutable": false,
				"dimension": 2,
				"3D": false
			},
			"annotation": {
				"empty": true,
				"importance": 0,
				"message": ""
			},
			"sign": 4,
			"name": "",
			"distance": 0.0,
			"time": 0,
			"length": 0,
			"extraInfoJSON": {
				"last_heading": 178.27008837700436
			}
		}],
		"points": {
			"size": 4,
			"empty": false,
			"immutable": true,
			"dimension": 2,
			"3D": false
		}
	},
	"hints": {
		"empty": false
	},
	"geojson": null,
	"elevator": 0,
	"sameFloor": false
}

In points, there is no longitude and latitude information

How do I get longitude and latitude in points。