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openlayers4.6-marker添加点击事件

openlayers4.6-marker添加点击事件

作者: 知足常乐晨 | 来源:发表于2018-11-26 10:10 被阅读247次
      getIconMakers(map) {
        var pos = ol.proj.fromLonLat([118.208889, 35.3725]);
        var pos2 = ol.proj.fromLonLat([112.208889, 34.3725]);
        console.dir(pos);
    
        var startMarker = new ol.Feature({
          type: 'icon',
          name: 'museum',
          geometry: new ol.geom.Point(pos)
        });
        var vectorSource = new ol.source.Vector({});
        vectorSource.addFeature(startMarker);
    
        var vectorLayer = new ol.layer.Vector({
          source: vectorSource,
          style: new ol.style.Style({
            image: new ol.style.Icon({
              anchor: [0.5, 1],
              src: 'https://openlayers.org/en/v4.6.5/examples/data/icon.png'
            })
          })
        });
        map.addOverlay(vectorLayer);
    
        var element = document.getElementById('popup1');
        var popup = new ol.Overlay({
          element: element,
          positioning: 'bottom-center',
          stopEvent: false,
          offset: [0, -50]
        });
        map.addOverlay(popup);
    
        map.on('click', function (evt) {
          var pixel = map.getEventPixel(evt.originalEvent);
          var feature = map.forEachFeatureAtPixel(evt.pixel, function (feature, layer) {
            return feature;
          });
          let iconName = feature.get('name');
          if (feature) {
            var coordinates = feature.getGeometry().getCoordinates();
            popup.setPosition(coordinates);
            $(element).popover({
              'placement': 'top',
              'html': true,
              'content': feature.get('name')
            });
            $(element).popover('show');
          } else {
            $(element).popover('destroy');
          }
        });
    // 鼠标移动的事件
        map.on('pointermove', function (e) {
            if (evt.dragging) {   //如果是拖动地图造成的鼠标移动,则不作处理
                return;
         }
          var pixel = map.getEventPixel(e.originalEvent);
          var hit = map.hasFeatureAtPixel(pixel);
          map.getTargetElement().style.cursor = hit ? 'pointer' : '';
        });
      }
    

    注意,feature中必须设置name属性才能feature.get('name')到值,否则值为undefined会报错。

    html

     <div id="map"><div id="popup1"></div></div>
    

    这样,点击marker图标就可以弹出弹框,或者进行其他的交互操作

    image.png
    参考官网例子:http://openlayers.org/en/v4.6.5/examples/icon.html?q=marker

    vue中实现点击marker进行导航跳转,并同时传递参数

      getIconMakers(map) {
        var pos = ol.proj.fromLonLat([118.208889, 35.3725]);
        var pos2 = ol.proj.fromLonLat([112.208889, 34.3725]);
        console.dir(pos);
    
        var startMarker = new ol.Feature({
          type: 'icon',
          name: 'museum',
          geometry: new ol.geom.Point(pos)
        });
        var startMarker2 = new ol.Feature({
          type: 'icon',
          name: 'car',
          geometry: new ol.geom.Point(pos2)
        });
        var vectorSource = new ol.source.Vector({});
        vectorSource.addFeature(startMarker);
        vectorSource.addFeature(startMarker2);
    
        var vectorLayer = new ol.layer.Vector({
          source: vectorSource,
          style: new ol.style.Style({
            image: new ol.style.Icon({
              anchor: [0.5, 1],
              src: 'https://openlayers.org/en/v4.6.5/examples/data/icon.png'
            })
          })
        });
        map.addOverlay(vectorLayer);
    
        map.on('click', function (evt) {
          // var pixel = map.getEventPixel(evt.originalEvent);
          var feature = map.forEachFeatureAtPixel(evt.pixel,
            function (feature) {
              return feature;
            });
          if (feature) {
            // var coordinates = feature.getGeometry().getCoordinates();
            let iconName = feature.get('name');
            router.push({
              name: 'onlineDrawing',
              params: {
                type: iconName
              }
            })
          }
        });
        map.on('pointermove', function (e) {
          var pixel = map.getEventPixel(e.originalEvent);
          var hit = map.hasFeatureAtPixel(pixel);
          map.getTargetElement().style.cursor = hit ? 'pointer' : '';
        });
      }
    

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