ARCGIS viewer入门（1）

来源：互联网发布：电子商务淘宝课程视频编辑：程序博客网时间：2024/05/22 01:53

实例：

（1）打开、关闭widget

（2）与地图交互

<?xml version="1.0" encoding="utf-8"?>
<!--

<viewer:BaseWidget xmlns:fx="http://ns.adobe.com/mxml/2009"
                   xmlns:s="library://ns.adobe.com/flex/spark"
                   xmlns:mx="library://ns.adobe.com/flex/mx"
                   xmlns:viewer="com.esri.viewer.*"
                   widgetConfigLoaded="init()">
    <fx:Script>
        <![CDATA[
            //this function called when the widget's configuration is loaded
   import mx.controls.Alert;
   import com.esri.ags.geometry.MapPoint;

            //var graphicsLayer:GraphicsLayer;

   private function sayHiToMap():void{
    var center:MapPoint=map.extent.center;
    var message:Label=new Label();
    message.text=getDefaultString("helloContent");
    map.infoWindowContent=message;
    map.infoWindow.show(center);
   }

            private function init():void
            {
                if (configXML) // checking for valid content in the configuration file
                {
                    lbl.text ="wangzheng"+ configXML.content || getDefaultString("helloContent");
                }

            }
   private function widgetClosedHandler(event:Event):void
   {
    Alert.show("HelloWidgetTemplateWidget minimized");
   }

   private function widgetOpenedHandler(event:Event):void
   {
    Alert.show("HelloWidgetTemplateWidget minimized");
   }

        ]]>
    </fx:Script>
<viewer:WidgetTemplate id="wTemplate"
         height="100%" width="100%"
         minHeight="190"
         minWidth="220"
         closed="widgetClosedHandler(event)"
         open="widgetOpenedHandler(event)">

        <viewer:layout>
            <s:VerticalLayout horizontalAlign="center" verticalAlign="middle"/>
        </viewer:layout>

        <s:Label id="lbl"
                 width="100%"
                 fontSize="12"
                 fontStyle="italic"
                 fontWeight="bold"/>
  <s:Button label="Say Hi to Map" click="sayHiToMap()"/>
    </viewer:WidgetTemplate>
</viewer:BaseWidget>

（3）地图图层可以直接在config.xml文件添加