{
  "type": "FeatureCollection",
  "features": [
   
    {
      "type": "Feature",
      "properties": {},
      "geometry": {
        "type": "Point",
        "coordinates": [
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        ]
      }
    },
   
    {
      "type": "Feature",
      "properties": {},
      "geometry": {
        "type": "Polygon",
        "coordinates": [
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}
这个是geojson文件,可以复制保存一份上传测试。