<s:Application
xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:esri="http://www.esri.com/2008/ags">
<esri:Map id="map">
<esri:extent>
<esri:WebMercatorExtent xmin="-13055785" ymin="3848161" xmax="-13025898"
ymax="3866239" spatialReference="{new SpatialReference(102100)}"/>
</esri:extent>
<esri:ArcGISTiledMapServiceLayer/>
</esri:Map>
</s:Application><?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:esri="http://www.esri.com/2008/ags"
<s:layout>
<s:HorizontalLayout paddingLeft="2"/>
</s:layout>
<esri:Map id="map">
<esri:extent>
......
<s:layout>
<s:HorizontalLayout paddingLeft="2"/>
</s:layout>
<esri:Directions width="320" height="100%"
map="{map}"
url="http://sampleserver6.arcgisonline.com/arcgis/rest/services/NetworkAnalysis/SanDiego/NAServer/Route"/>
<esri:Map id="map">
<esri:extent>
...
点击进行计算后结果显示在地图上，如下图所示
arcgis for flex api version3.7 教程：7.使用Directions查询路线（最短路径分析）
原文：http://blog.csdn.net/xiliangxiaoke/article/details/44831287
