WEBGIS ,ARCGIS JAVASCRIPT的基本操作
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互联网集市收集整理的这篇技术教程文章主要介绍了WEBGIS ,ARCGIS JAVASCRIPT的基本操作，小编现在分享给大家，供广大互联网技能从业者学习和参考。文章包含6530字，纯文字阅读大概需要10分钟。
内容图文
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>
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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
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