Home > Developer > Web Develop
<!DOCTYPE HTML><HTMLxmlns= "http://www.w3.org/1999/xhtml"><Head> <Metahttp-equiv= "Content-type"content= "text/html; charset=utf-8"/> <title>Querytask</title> <Linkrel= "stylesheet"type= "Text/css"href= "Http://10.0.0.92:8002/arcgis_js_api/library/3.17/3.17/dijit/themes/tundra/tundra.css" /> <Linkrel= "stylesheet"type= "Text/css"href= "Http://10.0.0.92:8002/arcgis_js_api/library/3.17/3.17/esri/css/esri.css"/> <Scripttype= "Text/javascript"src= "Http://10.0.0.92:8002/arcgis_js_api/library/3.17/3.17/init.js"></Script> <styletype= "Text/css"> . Mapclass{width:100%;Height:600px;Border:1px solid #000; } </style> <Scripttype= "Text/javascript">require (["Esri/map", "Esri/layers/arcgisdynamicmapservicelayer", "Dojo/dom", "dojo/on", "Esri/tasks/querytask", "Esri/tasks/query", "Esri/symbols/simplelinesymbol", "Esri/symbols/simplefillsymbol", "esri/graphic", "dojo/domready!"], function(Map, Arcgisdynamicmapservicelayer, Dom, ON, Querytask, Query, Simp Lelinesymbol, Simplefillsymbol, Graphic) {//Create a map based on the DIV's id attribute varMap= NewMap ("Mapdiv"); //Define a dynamic map service varLayer= NewArcgisdynamicmapservicelayer ("Http://10.0.0.92:6080/arcgis/rest/services/xinyu/MapServer"); //add a layer to a mapmap.addlayer (layer)//Add a Click event to a Property query buttonOn (Dom.byid ("Btn"), "Click", function(e) {//Defining Query Objects varQuerytask= NewQuerytask ("HTTP://10.0.0.92:6080/ARCGIS/REST/SERVICES/XINYU/MAPSERVER/17"); //defining query Parameter Objects varQuery= NewQuery (); //query criteria, similar to the WHERE clause of the SQL statementQuery.where= "1 =1"; //field Information returned: * Represents return all fieldsQuery.outfields= ["*"]; //whether to return geometric shapesQuery.returngeometry= true; //Execute Property Queryquerytask.execute (query, Showqueryresult); }) //after the property query is complete, use Showqueryresult to process the returned results functionShowqueryresult (QueryResult) {}}); </Script></Head><Body><DivID= "Mapdiv"class= "Mapclass"></Div><inputtype= "button"value= "attribute Query"ID= "Btn"/><DivID= "Divshowresult"></Div></Body></HTML>
Effect:
ArcGIS JS queries All of a layer's information
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
