百度地图开发系列(4):使用采集到的GPS点实现轨迹的解决方案

 var map = new BMap.Map("map");
    /**采集到的GPS点**/
    var Points = [
        {"id": "1", "lng": 121.554586, "lat": 29.813444},
        {"id": "2", "lng": 121.564567, "lat": 29.811347},
        {"id": "3", "lng": 121.575346, "lat": 29.820528},
        {"id": "4", "lng": 121.553464, "lat": 29.82363},
        {"id": "5", "lng": 121.54078, "lat": 29.820371},
    ]
    var p = Math.ceil(Points.length / 2);
    map.centerAndZoom(new BMap.Point(Points[p].lng, Points[p].lat), 15);
    map.enableScrollWheelZoom();
    //路线;
    var driving;
    for (var i in PointArr) {
        //起点
        if (i == 0) {
            addMarker(new BMap.Point(Points[i].lng, Points[i].lat), "起点");
            continue;
        }
        //线路;
        driving = new BMap.DrivingRoute(map, {
            renderOptions: {map: map, autoViewport: false},
            onMarkersSet: function (routes) {
                map.removeOverlay(routes[0].marker); //删除API自带起点
                map.removeOverlay(routes[1].marker); //删除API自带终点
            }
        });
        //终点
        driving.search(new BMap.Point(Points[i - 1].lng, Points[i - 1].lat),
                new BMap.Point(Points[i].lng, Points[i].lat));
        if (i == Points.length - 1) {
            addMarker(new BMap.Point(Points[i].lng, Points[i].lat), "终点");
        }
    }
    /**
     * 标记
     * @param {Object} point
     */
    function addMarker(point, name) {
        var marker = new BMap.Marker(point);
        var label = new BMap.Label(name, {
            offset: new BMap.Size(20, -10)
        });
        marker.setLabel(label);
        map.addOverlay(marker);
    }