高德地图轨迹展示样式修改

自定义轨迹的icon，应该用import 先引入图片，再使用，否则加载不出来

  import carUrl from '../../assets/img/car.png'

	var map = new AMap.Map('container', {
        zoom: 4
    });
    AMapUI.load(['ui/misc/PathSimplifier', 'lib/$'], function(PathSimplifier, $) {

        if (!PathSimplifier.supportCanvas) {
            alert('当前环境不支持 Canvas！');
            return;
        }
         var defaultRenderOptions = {
            renderAllPointsIfNumberBelow: -1, //绘制路线节点，如不需要可设置为-1
            pathLineStyle: { //路线样式设置
                lineWidth: 3,
                strokeStyle: '#FFEC7A',
                borderWidth: 1,
                borderStyle: '#eeeeee',
                dirArrowStyle: false
            },
            startPointStyle: { //起点
                 radius: 4,
                fillStyle: '#109618',
                lineWidth: 1,
                strokeStyle: '#eeeeee'
            },
            endPointStyle: { //终点
                radius: 4,
                fillStyle: '#dc3912',
                lineWidth: 1,
                strokeStyle: '#eeeeee'
            },
        };
        var pathSimplifierIns = new PathSimplifier({
            zIndex: 100,
            //autoSetFitView:false,
            map: map, //所属的地图实例

            getPath: function(pathData, pathIndex) {

                return pathData.path;
            },
            getHoverTitle: function(pathData, pathIndex, pointIndex) {

                if (pointIndex >= 0) {
                    //point 
                    return pathData.name + '，点：' + pointIndex + '/' + pathData.path.length;
                }

                return pathData.name + '，点数量' + pathData.path.length;
            },
            renderOptions:defaultRenderOptions
        });

        window.pathSimplifierIns = pathSimplifierIns;
        //设置数据
        pathSimplifierIns.setData([{
            name: '路线0',
            path: [
                [116.405289, 39.904987],
                [113.964458, 40.54664],
                [111.47836, 41.135964],
                [108.949297, 41.670904],
                [106.380111, 42.149509],
                [103.774185, 42.56996],
                [101.135432, 42.930601],
                [98.46826, 43.229964],
                [95.777529, 43.466798],
                [93.068486, 43.64009],
                [90.34669, 43.749086],
                [87.61792, 43.793308]
            ]
        }]);

        //对第一条线路（即索引 0）创建一个巡航器
        var navg1 = pathSimplifierIns.createPathNavigator(0, {
            loop: false, //循环播放
            speed: 1000000, //巡航速度，单位千米/小时
            pathNavigatorStyle: {
                width: 44,
                height: 54,
                //使用图片
                content: PathSimplifier.Render.Canvas.getImageContent(imgUrl, onload, onerror),
                strokeStyle: null,
                fillStyle: null,
                //经过路径的样式
                pathLinePassedStyle: {
                    lineWidth: 5,
                    strokeStyle: '#FFDC04',
                }
           }
        });
        navg1.start();
    });