import VectorLayer from 'ol/layer/Vector'
import VectorSource from 'ol/source/Vector'
import Draw from 'ol/interaction/Draw';
const drawSource = new VectorSource();
const drawLayer = new VectorLayer({
source: drawSource
});
map.addLayer(drawLayer);
var draw;
// 开始绘制多边形
drawPolygon (type) {
draw = new Draw({
source: drawSource,
type: type
})
map.addInteraction(draw);
draw.on('drawend', () => {
console.log('绘制完成');
});
}
// 结束绘制
endDraw () {
map.removeInteraction(draw);
}
// Point LineString Polygon Circle
drawPolygon('Polygon');
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