vue 引入OpenLayers测量依赖 - SuperMap技术问答社区

/* 距离测量 */

import Draw from 'ol/interaction/Draw';
import {MeasureParameters} from '@supermap/iclient-common/iServer/MeasureParameters';

draw = new Draw({
  source: source,
  type: "LineString"
});
draw.on('drawstart', function (evt) {
  feature = evt.feature;
});
draw.on('drawend', function () {
  var distanceMeasureParam = new MeasureParameters(feature.getGeometry());
  new ol.supermap.MeasureService(url,
    {measureMode: ""}).measureDistance(distanceMeasureParam, function (serviceResult) {
      debugger
    alert(serviceResult.result.distance);
  });
});
map.addInteraction(draw);