如果已经有一个kml文件，能双击打开看里面的数据吗？

是文本文件，类似如下：

<?xml version="1.0" encoding="UTF-8"?>

<kml xmlns="http://www.opengis.net/kml/2.2"

xmlns:atom="http://www.w3.org/2005/Atom"

xmlns:gx="http://www.google.com/kml/ext/2.2"

>

<Document>

<name>OvitalMap_20221108_081812</name>

<Placemark>

<name>黄河东闸</name>

<Style>

<LineStyle><color>7fff0000</color><width>1</width></LineStyle>

<PolyStyle><color>7fff80ff</color></PolyStyle>

</Style>

<Polygon>

<tessellate>1</tessellate>

<outerBoundaryIs>

<LinearRing>

<coordinates>117.89228618,34.09822820,0 117.89228592,34.10078676,0 117.88790882,34.10078462,0 117.88790907,34.09822606,0 117.89228618,34.09822820,0 </coordinates>

</LinearRing>

</outerBoundaryIs>

</Polygon>

</Placemark>

</Document>

</kml>