arcgis 过滤featurelayer 图层

简单记录下arcgis api for javascript 过滤featurelayer

//添加要素图层
featureLayer = new FeatureLayer(featureLayerUrl,{
	outFields:["*"],
	infoTemplate: infoTemplate,
	hasAttributionData:true
});
map.addLayer(featureLayer);
featureLayer.setDefinitionExpression("NAME_ = '高区'");