WEBGIS ,ARCGIS JAVASCRIPT的基本操作
作者:互联网
转载来自:https://blog.csdn.net/kangkang_style/article/details/75601974
<!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>Landuse</title> <link rel="stylesheet" href="https://js.arcgis.com/3.21/dijit/themes/claro/claro.css"> <link rel="stylesheet" href="https://js.arcgis.com/3.21/esri/css/esri.css"> <style> html, body { height: 100%; width: 100%; margin: 0; padding: 0; overflow:hidden; position: absolute; } #map { padding:1px; border:solid 2px #444; -moz-border-radius: 4px; border-radius: 4px; float: left; height: 100%; width: 80%; } #templatePicker { border: solid 2px #444; float: right; height: 100%; width: auto; } </style> <script src="https://js.arcgis.com/3.21/"></script> <script> var map; var dynamicUrl="http://localhost:6080/arcgis/rest/services/MyMapService/MapServer"; var pointUrl="http://localhost:6080/arcgis/rest/services/MyMapService/FeatureServer/0"; var lineUrl="http://localhost:6080/arcgis/rest/services/MyMapService/FeatureServer/1"; var polygonUrl="http://localhost:6080/arcgis/rest/services/MyMapService/FeatureServer/2"; var graValues=[]; var geoValues=[]; var graphicResult=[]; var attrbu; var lineSymbol; require([ "esri/map", "esri/toolbars/draw", "esri/toolbars/edit", "esri/graphic", "esri/layers/FeatureLayer", "esri/layers/ArcGISDynamicMapServiceLayer", "esri/symbols/SimpleMarkerSymbol", "esri/symbols/SimpleLineSymbol", "esri/symbols/SimpleFillSymbol", "esri/renderers/SimpleRenderer", "esri/Color", "esri/layers/TableDataSource", "esri/layers/LayerDataSource", "esri/dijit/editing/TemplatePicker", "dojo/_base/array", "dojo/_base/event", "dojo/_base/lang", "dojo/parser", "dojo/on", "dojo/dom", "dojo/query", "dojo/domReady!" ], function( Map, Draw, Edit, Graphic, FeatureLayer, ArcGISDynamicMapServiceLayer, SimpleMarkerSymbol, SimpleLineSymbol, SimpleFillSymbol, SimpleRenderer, Color, TableDataSource, LayerDataSource, TemplatePicker, arrayUtils, event, lang, parser, on, dom, query ){ parser.parse(); //加载地图 map = new Map("map"); var dynamicLayer=new ArcGISDynamicMapServiceLayer(dynamicUrl); //清缓存 dynamicLayer.setDisableClientCaching(true); map.addLayer(dynamicLayer); //图层加载,绑定监听 map.on("layers-add-result", initEditing); var pointLayer = new FeatureLayer(pointUrl ,{ mode: FeatureLayer.MODE_SNAPSHOT, outFields: ["*"] }); var lineLayer = new FeatureLayer(lineUrl, { mode: FeatureLayer.MODE_SNAPSHOT, outFields: ["*"] }); var polygonLayer = new FeatureLayer(polygonUrl, { mode: FeatureLayer.MODE_SNAPSHOT, outFields: ["*"] }); map.addLayers([pointLayer,lineLayer,polygonLayer]); function initEditing(evt) { //当前图层 var currentLayer = null; //dojo/array.map();获取当前添加图层--此处为图层数组 var layers = arrayUtils.map(evt.layers, function(result) { return result.layer; }); //编辑工具 var editToolbar = new Edit(map,{ showToolTips:true }); //编辑监听编辑结束事件 editToolbar.on("deactivate", function(evt) { currentLayer.applyEdits(null, [evt.graphic], null); }); //dojo/array.forEach()遍历数组中每个图层 arrayUtils.forEach(layers, function(dynamicLayer) { //第一部分 //可编辑状态--默认值为false var editingEnabled = false; //底图添加双击监听 dynamicLayer.on("dbl-click", function(evt) { //双击事件拦截--防止放大事件触发 event.stop(evt); //第一次双击进入可编辑状态,第二次双击关闭编辑状态 if (editingEnabled === false) { editingEnabled = true; editToolbar.activate(Edit.EDIT_VERTICES , evt.graphic); } else { currentLayer = this; editToolbar.deactivate(); editingEnabled = false; } }); //第二部分 //底图监听单击事件 dynamicLayer.on("click", function(evt) { //拦截单击事件,判断是否为删除操作 event.stop(evt); //ctrl or cmd 配合单击事件完成删除操作 if (evt.ctrlKey === true || evt.metaKey === true) { dynamicLayer.applyEdits(null,null,[evt.graphic]); currentLayer = this; editToolbar.deactivate(); editingEnabled=false; } }); }); //模板选择器 var templatePicker = new TemplatePicker({ //属性设置 featureLayers: layers, rows: "auto", columns: 2, grouping: true, style: "height: auto; overflow: auto;" }, "templatePickerDiv"); //开启模板 templatePicker.startup(); //画图工具 var drawToolbar = new Draw(map,{ showToolTips:true }); //从模板选择器获取选择模板 var selectedTemplate; templatePicker.on("selection-change", function() { //监听模板选择改变 if( templatePicker.getSelected() ) { selectedTemplate = templatePicker.getSelected(); } //判断模板操作类型 switch (selectedTemplate.featureLayer.geometryType) { case "esriGeometryPoint": drawToolbar.activate(Draw.POINT); break; case "esriGeometryPolyline": drawToolbar.activate(Draw.POLYLINE); break; case "esriGeometryPolygon": drawToolbar.activate(Draw.POLYGON); break; } }); //监听作图完成事件 drawToolbar.on("draw-end", function(evt) { drawToolbar.deactivate(); editToolbar.deactivate(); var newAttributes = lang.mixin({}, selectedTemplate.template.prototype.attributes); attrbu=newAttributes; var newGraphic = new Graphic(evt.geometry, null, newAttributes); selectedTemplate.featureLayer.applyEdits([newGraphic],null,null); }); } //添加shape--featureLayer on(dom.byId("added"),"click",function(e){ //定义一个数据源 var dataSource = new TableDataSource(); //此处为我们设置的命名空间 dataSource.workspaceId = "test"; //命名空间下面的shp dataSource.dataSourceName = "经纬网.shp"; //定义一个图层数据源 var layerSource = new LayerDataSource(); //给图层数据源赋值 layerSource.dataSource = dataSource; //定义一个要素图层:注意链接为动态图层的地址 var layer2 = new FeatureLayer("http://localhost:6080/arcgis/rest/services/MyMapService/MapServer/dynamicLayer", { mode: FeatureLayer.MODE_ONDEMAND, outFields: ["*"], source: layerSource }); //定义线符号 lineSymbol = new SimpleLineSymbol(SimpleLineSymbol.STYLE_DASH, new dojo.Color([255, 0, 0]), 3); //定义渲染器 var renderer = new esri.renderer.SimpleRenderer(lineSymbol); //定义渲染器 layer2.setRenderer(renderer); layer2.refresh(); layer2.id="layer2"; map.addLayer(layer2); alert(graValues.length); graValues=map.getLayer("layer2").graphics; alert(graValues.length); }); on(dom.byId("sub"),"click",function(){ if(graValues.length>0){ for(var i=0;i<graValues.length;i++){ var gra=new Graphic(graValues[i].geometry,lineSymbol,attrbu); graphicResult.push(gra); } lineLayer.applyEdits(graphicResult,null,null); }else{ alert("sorry,graValues is null") } }); }); </script> </head> <body class="claro"> <input id="added" type="button" value="add_shape" /> <input id="sub" type="button" value="submit" /> <div id="map"></div> <div id="templatePickerDiv"></div> </body> </html> ———————————————— 版权声明:本文为CSDN博主「kangkang_style」的原创文章,遵循CC 4.0 BY-SA版权协议,转载请附上原文出处链接及本声明。 原文链接:https://blog.csdn.net/kangkang_style/article/details/75601974
标签:map,dojo,WEBGIS,ARCGIS,new,var,基本操作,evt,esri 来源: https://www.cnblogs.com/baimy/p/14690222.html