54 lines
1.4 KiB
JavaScript
54 lines
1.4 KiB
JavaScript
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/**
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* @name: index
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* @author: Administrator
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* @date: 2023-09-11 16:41
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* @description：index
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* @update: 2023-09-11 16:41
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*/
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import BillboardObject from "../../Obj/Base/BillboardObject";
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import PolygonObject from "../../Obj/Base/PolygonObject";
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import PolylineObject from "../../Obj/Base/PolylineObject";
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import Circle from "../../Obj/Base/CircleDiffuse";
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function exportKml(list = []) {
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let entities = new Cesium.EntityCollection();
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list.forEach(entity => {
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if (
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entity instanceof BillboardObject ||
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entity instanceof PolygonObject ||
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entity instanceof Circle ||
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entity instanceof PolylineObject
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) {
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entities.add(entity.entity)
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}
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})
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if (entities.values.length) {
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let promise = Cesium.exportKml({entities})
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promise.then(e => {
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// Cesium.exportKml(e.kml,)
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funDownload(e.kml, new Date().getTime() + ".kml")
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})
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} else {
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console.error("允许导出为kml的对象为空")
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}
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}
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function funDownload(content, filename) {
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let eleLink = document.createElement("a");
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eleLink.download = filename;
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eleLink.style.display = "none";
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// 字符内容转变成blob地址
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let blob = new Blob([content]);
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eleLink.href = URL.createObjectURL(blob);
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// 触发点击
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document.body.appendChild(eleLink);
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eleLink.click();
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// 然后移除
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document.body.removeChild(eleLink);
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}
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export default exportKml
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