<!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/
本文转自stock0991 51CTO博客，原文链接：http://blog.51cto.com/qing0991/1846078，如需转载请自行联系原作者
