<!doctype html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <meta http-equiv="X-UA-Compatible" content="IE=7,IE=9" /> <!--The viewport meta tag is used to improve the presentation and behavior of the samples on iOS devices--> <meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no"/> <title>FeatureLayer On Demand</title> <link rel="stylesheet" type="text/css" href="http://serverapi.arcgisonline.com/jsapi/arcgis/2.3/js/dojo/dijit/themes/claro/claro.css"> <style> html, body { height: 100%; width: 100%; margin: 0; padding: 0; } </style> <script type="text/javascript">djConfig = { parseOnLoad:true };</script> <script type="text/javascript" src="http://serverapi.arcgisonline.com/jsapi/arcgis/?v=2.3"></script> <script type="text/javascript"> dojo.require("esri.map"); dojo.require("esri.layers.FeatureLayer"); var map; function init() { var extent = new esri.geometry.Extent({"xmin":-1091160.6279576253,"ymin":1464985.3783563056,"xmax":767849.8897356443,"ymax":2365380.130188807,"spatialReference":{"wkid":102039}}); map = new esri.Map("map", { extent: extent }); dojo.connect(map, "onLoad", initOperationalLayer); var base = new esri.layers.ArcGISDynamicMapServiceLayer("http://gis.apfo.usda.gov/ArcGIS/rest/services/CONUS/Overview/MapServer"); map.addLayer(base); } function initOperationalLayer(map) { var content = "<b>Abbr</b>: ${STATE_ABBR}<br /><b>FIPS</b>: ${STATE_FIPS}"; var infoTemplate = new esri.InfoTemplate("${STATE_NAME}", content); var featureLayer = new esri.layers.FeatureLayer("http://gis.apfo.usda.gov/ArcGIS/rest/services/CONUS/Overview/MapServer/1",{ mode: esri.layers.FeatureLayer.MODE_ONDEMAND, outFields: ["*"], infoTemplate: infoTemplate }); // explicitly set OID field as the layer being used // does not have it's OID field visible featureLayer.objectIdField = 'STATE_FIPS'; map.addLayer(featureLayer); map.infoWindow.resize(150,105); } dojo.ready(init); </script> </head> <body class="claro"> <div style="position:relative;width:100%;height:100%;"> <div id="map" style="border:1px solid #000;width:100%;height:100%;"> </div> </body> </html>
// use esri.request to get field info esri.request({ url: 'http://gis.apfo.usda.gov/ArcGIS/rest/services/CONUS/Overview/MapServer/1', content: { f: 'json' }, callbackParamName: 'callback', load: function(resp) { dojo.forEach(resp.fields, function(field) { console.log('field name is ', field.name, ' and field alias is ', field.alias); }); }, error: function(err) { console.log('err: ', err); } });
Aangemelde leden kunnen berichten plaatsen, updates volgen en meer. Nieuw hier? Registreer een gratis account.
Find useful guides, FAQs, and documents to help you navigate and make the most of Esri Community.