<!DOCTYPE html><html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no"> <title>Identify Sample</title>
<link rel="stylesheet" href="https://js.arcgis.com/3.17/dijit/themes/claro/claro.css"> <link rel="stylesheet" href="https://js.arcgis.com/3.17/esri/css/esri.css"> <style> html, body { height: 98%; width: 98%; margin: 0; padding: 5px; } </style>
<script src="https://js.arcgis.com/3.17/"></script> <script> var map, bldgResults, parcelResults, symbol;
require([ "esri/map", "esri/layers/ArcGISDynamicMapServiceLayer", "esri/symbols/SimpleFillSymbol", "esri/symbols/SimpleLineSymbol", "esri/tasks/IdentifyTask", "esri/tasks/IdentifyParameters", "dojo/on", "dojo/parser", "esri/Color", "dijit/registry", "dijit/form/Button", "dijit/layout/ContentPane", "dijit/layout/TabContainer", "dojo/domReady!" ], function ( Map, ArcGISDynamicMapServiceLayer, SimpleFillSymbol, SimpleLineSymbol, IdentifyTask, IdentifyParameters, on, parser, Color, registry ) {
parser.parse();
var identifyTask, identifyParams;
map = new Map("mapDiv", { basemap: "streets", center: [-83.275, 42.573], zoom: 18 }); map.on("load", initFunctionality);
var landBaseLayer = new ArcGISDynamicMapServiceLayer("https://sampleserver3.arcgisonline.com/ArcGIS/rest/services/BloomfieldHillsMichigan/Parcels/MapServer", { opacity: 0.2 }); map.infoWindow.on("show", function () { registry.byId("tabs").resize(); }); map.addLayer(landBaseLayer);
function initFunctionality () { map.on("click", doIdentify);
identifyTask = new IdentifyTask("https://sampleserver3.arcgisonline.com/ArcGIS/rest/services/BloomfieldHillsMichigan/Parcels/MapServer");
identifyParams = new IdentifyParameters(); identifyParams.tolerance = 3; identifyParams.returnGeometry = true; identifyParams.layerIds = [0, 2]; identifyParams.layerOption = IdentifyParameters.LAYER_OPTION_ALL; identifyParams.width = map.width; identifyParams.height = map.height;
map.infoWindow.resize(415, 200); map.infoWindow.setContent(registry.byId("tabs").domNode); map.infoWindow.setTitle("Identify Results");
symbol = new SimpleFillSymbol(SimpleFillSymbol.STYLE_SOLID, new SimpleLineSymbol(SimpleLineSymbol.STYLE_SOLID, new Color([255, 0, 0]), 2), new Color([255, 255, 0, 0.25])); }
function doIdentify (event) { map.graphics.clear(); identifyParams.geometry = event.mapPoint; identifyParams.mapExtent = map.extent; identifyTask.execute(identifyParams, function (idResults) { addToMap(idResults, event); }); }
function addToMap (idResults, event) { bldgResults = { displayFieldName: null, features: [] }; parcelResults = { displayFieldName: null, features: [] };
for (var i = 0, il = idResults.length; i < il; i++) { var idResult = idResults[i]; if (idResult.layerId === 0) { if (!bldgResults.displayFieldName) { bldgResults.displayFieldName = idResult.displayFieldName; } bldgResults.features.push(idResult.feature); } else if (idResult.layerId === 2) { if (!parcelResults.displayFieldName) { parcelResults.displayFieldName = idResult.displayFieldName; } parcelResults.features.push(idResult.feature); } } registry.byId("bldgTab").set("content", buildingResultTabContent(bldgResults)); registry.byId("parcelTab").set("content", parcelResultTabContent(parcelResults));
map.infoWindow.show(event.screenPoint, map.getInfoWindowAnchor(event.screenPoint)); }
function buildingResultTabContent (results) { var template = ""; var features = results.features;
template += "<i>Total features returned: " + features.length + "</i>"; template += "<table border=‘1‘>"; template += "<tr><th>ID</th><th>Address</th></tr>";
var parcelId; var fullSiteAddress; for (var i = 0, il = features.length; i < il; i++) { parcelId = features[i].attributes[‘PARCELID‘]; fullSiteAddress = features[i].attributes[‘Full Site Address‘];
template += "<tr>"; template += "<td>" + parcelId + " <a href=‘#‘ onclick=‘showFeature(bldgResults.features[" + i + "]); return false;‘>(show)</a></td>"; template += "<td>" + fullSiteAddress + "</td>"; template += "</tr>"; }
template += "</table>";
return template; }
function parcelResultTabContent (results) { var template = ""; var features = results.features;
template = "<i>Total features returned: " + features.length + "</i>"; template += "<table border=‘1‘>"; template += "<tr><th>ID</th><th>Year Built</th><th>School District</th><th>Description</th></tr>";
var parcelIdNumber; var residentialYearBuilt; var schoolDistrictDescription; var propertyDescription; for (var i = 0, il = features.length; i < il; i++) { parcelIdNumber = features[i].attributes[‘Parcel Identification Number‘]; residentialYearBuilt = features[i].attributes[‘Residential Year Built‘]; schoolDistrictDescription = features[i].attributes[‘School District Description‘]; propertyDescription = features[i].attributes[‘Property Description‘];
template += "<tr>"; template += "<td>" + parcelIdNumber + " <a href=‘#‘ onclick=‘showFeature(parcelResults.features[" + i + "]); return false;‘>(show)</a></td>"; template += "<td>" + residentialYearBuilt + "</td>"; template += "<td>" + schoolDistrictDescription + "</td>"; template += "<td>" + propertyDescription + "</td>"; template += "</tr>"; }
template += "</table>";
return template; } });
function showFeature (feature) { map.graphics.clear(); feature.setSymbol(symbol); map.graphics.add(feature); } </script> </head>
<body class="claro"> Click the map to identify building and tax information. <div id="mapDiv" style="width:800px; height:600px; border:1px solid #000;"></div> <div id="tabs" dojoType="dijit/layout/TabContainer" style="width:385px; height:150px;"> <div id="bldgTab" dojoType="dijit/layout/ContentPane" title="Buildings"></div> <div id="parcelTab" dojoType="dijit/layout/ContentPane" title="Tax Parcels"></div> </div> </body></html>
运行结果：
https://developers.arcgis.com/javascript/3/samples/find_drilldown/
时间： 2024-10-10 16:22:56