出于某种原因，我无法让GeoXML3解析我的KML文件。我的最终目标是使用GeoXML3解析器允许我通过KML文件导入多边形叠加，然后在单击事件上更改这些多边形的填充属性（以符号化选择/取消选择）。这是我当前的HTML文件代码：
<script type="text/javascript">
var myStyle = [
{
featureType: "poi",
elementType: "labels",
stylers: [
{ visibility: "off" }
]
},{
featureType: "water",
elementType: "labels",
stylers: [
{ visibility: "off" }
]
},{
featureType: "road",
stylers: [
{ visibility: "off" }
]
}
];
function initialize() {
var mapOptions = {
center: new google.maps.LatLng(32.565333,-83.311043),
mapTypeControlOptions: {
mapTypeIds: ['mystyle', google.maps.MapTypeId.ROADMAP, google.maps.MapTypeId.TERRAIN]
},
scrollwheel: false,
navigationControl: false,
mapTypeControl: false,
scaleControl: false,
disableDoubleClickZoom: true,
streetViewControl: false,
draggable: false,
zoom: 7,
mapTypeId: 'mystyle'
}
var map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);
map.mapTypes.set('mystyle', new google.maps.StyledMapType(myStyle, { name: 'My Style' }));
var myParser = new geoXML3.parser({map: map});
myParser.parse('tristate_area.xml');
/*
var ctaLayer = new google.maps.KmlLayer('tristate_area.kml',{
suppressInfoWindows: true
});
google.maps.event.addListener( ctaLayer, "click", function( kmlEvent ) {
$.ajax({
... my AJAX call ...
});
});
ctaLayer.setMap(map);
*/
}
</script>
如果您取消注释已注释掉的块并删除GeoXML3内容，则叠加层将按原样显示。但是我需要使用GeoXML3来解析我的KML数据，因为我需要在点击事件上更改单个多边形的属性。
以下是 tristate_area.kml 的一些内容（我省略了其他两个状态以节省空间）：
<!-- Georgia -->
<Style id="georgia_style">
<LineStyle>
<color>41F06414</color>
<width>4</width>
</LineStyle>
<PolyStyle>
<color>41F06414</color>
</PolyStyle>
</Style>
<Placemark id="pm294">
<name>Georgia</name>
<Snippet maxLines="0">empty</Snippet>
<description>Georgia outline</description>
<styleUrl>#georgia_style</styleUrl>
<MultiGeometry>
<MultiGeometry>
<Polygon id="g990">
<outerBoundaryIs>
<LinearRing>
<coordinates>
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为什么不渲染？
答案 0 :(得分：0)
Chrome给了我这些错误：
XMLHttpRequest cannot load file:<path on the computer>/tristate_area.xml. Cross origin requests are only supported for HTTP. v3_geoxml3_SO_simpleMap_tristate.html:1
Uncaught Error: NETWORK_ERR: XMLHttpRequest Exception 101
我认为您可以配置Chrome以允许此操作，不知道如何随便。