openlayers画几个图标

    <!DOCTYPE html>
<html>
    <head>
        <title>Accessible Map</title>
        <link rel="stylesheet" href="https://openlayers.org/en/v3.20.1/css/ol.css" type="text/css">
        <!-- The line below is only needed for old environments like Internet Explorer and Android 4.x -->
        <script
            src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList,URL">
        </script>
        <script src="https://openlayers.org/en/v3.20.1/build/ol.js"></script>
        <style>
            a.skiplink {
                position: absolute;
                clip: rect(1px, 1px, 1px, 1px);
                padding: 0;
                border: 0;
                height: 1px;
                width: 1px;
                overflow: hidden;
            }

            a.skiplink:focus {
                clip: auto;
                height: auto;
                width: auto;
                background-color: #fff;
                padding: 0.3em;
            }

            #map:focus {
                outline: #4A74A8 solid 0.15em;
            }
        </style>
    </head>
    <body>
        <div id="map" class="map" tabindex="0"></div>
        <script>
            var map = new ol.Map({
                target: 'map',
                view: new ol.View({
                    center: ol.proj.fromLonLat([106.359506, 26.302920]),
                    zoom: 6
                }),
                layers: [
                    // 底图
                    new ol.layer.Tile({
                        source: new ol.source.OSM()
                    })
                ]
            })
            //起点
            var startPoint = [
                {
                    "lon": 106.359506,
                    "lat": 26.302920
                },
                {
                    "lon": 106.62741873770544,
                    "lat": 26.621248800337924
                },
                {
                    "lon": 106.62904814,
                    "lat": 26.622542270337924
                },
                {
                    "lon": 106.62728025,
                    "lat": 26.622559845418413
                },
                {
                    "lon": 106.62916610,
                    "lat": 26.6204520337924
                }
            ];
            //终点
            var endPoint = [{
                "lon": 107.66656545,
                "lat": 36.032545411
            }];
            var startName = '起点';
            //添加时钟源图标
            var ClockIconData = [{
                "lon": 106.62825793,
                "lat": 26.62167320
            }]
            var startIconLayers = []
            for(var i = 0; i < startPoint.length; i++){
                // 将点转换成地图识别的格式
                var coordinate = ol.proj.transform([startPoint[i].lon, startPoint[i].lat], 'EPSG:4326', 'EPSG:3857')
                var startIconFeatures = [];
                startIconFeatures[0] = new ol.Feature({
                        geometry: new ol.geom.Point(coordinate)
                    });
                var startIconLayer = // 基站图标图层
                                    new ol.layer.Vector({
                                        source: new ol.source.Vector({
                                            features: startIconFeatures
                                        }),
                                        style: new ol.style.Style({
                                            image: new ol.style.Icon({
                                                src: 'anchor.png'
                                            }),
                                            text: new ol.style.Text({
                                                text: '基站--------'+ i,
                                                scale: 1.3,
                                                fill: new ol.style.Fill({
                                                    color: '#000000'
                                                }),
                                                stroke: new ol.style.Stroke({
                                                    color: '#FFFF99',
                                                    width: 3.5
                                                })
                                            })
                                        })
                                    })
                startIconLayers.push(startIconLayer);
            }
            for(var i = 0; i< startIconLayers.length ;i++){
                map.addLayer(startIconLayers[i]);
            }
            function addStartAndEnd(startPoint, IconName) {
                // 遍历得到点的集合
                var startIconFeatures = []
                var clockNamelist = []
                for (var i = 0; i < startPoint.length; i++) {
                    
                    // 将点转换成地图识别的格式
                    var coordinate = ol.proj.transform([startPoint[0].lon, startPoint[0].lat], 'EPSG:4326', 'EPSG:3857')
                    startIconFeatures[i] = new ol.Feature({
                        geometry: new ol.geom.Point(coordinate)
                    })
                }
                var startIconLayer = // 基站图标图层
                    new ol.layer.Vector({
                        source: new ol.source.Vector({
                            features: startIconFeatures
                        }),
                        style: new ol.style.Style({
                            image: new ol.style.Icon({
                                src: 'anchor.png'
                            }),
                            text: new ol.style.Text({
                                text: IconName,
                                scale: 1.3,
                                fill: new ol.style.Fill({
                                    color: '#000000'
                                }),
                                stroke: new ol.style.Stroke({
                                    color: '#FFFF99',
                                    width: 3.5
                                })
                            })
                        })
                    })
                return startIconLayer;
            }
            map.addLayer(addStartAndEnd(startPoint, '起点'))
            map.addLayer(addStartAndEnd(endPoint, '终点'))
        </script>
    </body>
</html>
openlayers画几个图标

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