geoserver中style.xml配置变量的例子

[javascript]代码库

<ogc:Filter>
     <ogc:PropertyIsLessThan>
           <ogc:PropertyName>temperature</ogc:PropertyName>
          <ogc:Function name="env">
             <ogc:Literal>tem</ogc:Literal>
             <ogc:Literal>0</ogc:Literal>
         </ogc:Function>
     </ogc:PropertyIsLessThan>
</ogc:Filter>

openlayers的传递
var env = 'tem:' + tem;
if (temperature) {
	temperature.mergeNewParams({
		env : env
	});
}