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在网上搜了很久，没有找到靠谱的代码，于是参考各种资料终于测试出其格式
点查询：
http://***:8060/geoserver/**/ows?service=WFS&request=GetFeature&version=1.0.0
&typeName=图层服务名称&maxFeatures=2000&outputFormat=json&filter=
<Filter xmlns="http://www.opengis.net/ogc" xmlns:gml="http://www.opengis.net/gml">
<Intersects>
<PropertyName>GEOM</PropertyName>
<gml:Point>
<gml:coordinates>113.8037,34.43554</gml:coordinates>
</gml:Point>
</Intersects>
</Filter>http://***:8060/geoserver/**/ows?service=WFS&request=GetFeature&version=1.0.0
&typeName=图层服务名称&maxFeatures=2000&outputFormat=json&filter=
<Filter xmlns="http://www.opengis.net/ogc" xmlns:gml="http://www.opengis.net/gml">
<Within>
<PropertyName>GEOM</PropertyName>
<gml:LineString>
<gml:coordinates>113.763,34.435 113.763,34.5 113.844,34.5 113.844,34.435</gml:coordinates>
</gml:LineString>
</Within>
</Filter>http://***:8060/geoserver/**/ows?service=WFS&request=GetFeature&version=1.0.0
&typeName=图层服务名称&maxFeatures=2000&outputFormat=json&filter=
<Filter xmlns="http://www.opengis.net/ogc" xmlns:gml="http://www.opengis.net/gml">
<Intersects><PropertyName>GEOM</PropertyName><gml:Polygon>
<gml:outerBoundaryIs>
<gml:LinearRing>
<gml:coordinates>113.763,34.435 113.763,34.5 113.763,34.435</gml:coordinates>
</gml:LinearRing>
</gml:outerBoundaryIs>
</gml:Polygon></Intersects></Filter>这里如果需要进行属性查询，可添加属性查询条件：
var url = *** +'geoserver/**/ows?'
+ 'service=WFS&request=GetFeature&version=1.0.0&typeName=图层服务名称&maxFeatures=1&outputFormat=json'
+ '&FILTER=<Filter>'
+ '<And>'
+ '<PropertyIsEqualTo><PropertyName>ST_NAME</PropertyName><Literal>' + stName + '</Literal></PropertyIsEqualTo>'
+ '<PropertyIsEqualTo><PropertyName>NAME</PropertyName><Literal>' + setloc + '</Literal></PropertyIsEqualTo>'
+ '</And>'
<pre name="code" class="html"> <span style="font-family: Arial, Helvetica, sans-serif;">+ '</Filter>';</span>