arcgis api for javaScript 实现动态发布矢量/栅格数据。
1.arcgis api for javaScript 实现动态发布矢量数据。
1 <!DOCTYPE html> 2 <html> 3 <head lang="en"> 4 <meta charset="UTF-8"> 5 <title></title> 6 <link rel="styleSheet" href="https://js.arcgis.com/3.17/dijit/themes/claro/claro.css"> 7 <link rel="styleSheet" href="https://js.arcgis.com/3.17/dijit/themes/tundra/tundra.css"> 8 <link rel="stylesheet" href="https://js.arcgis.com/3.17/esri/css/esri.css"> 9 <script src="https://js.arcgis.com/3.17/init.js"></script> 10 <script type="text/javascript"> 11 //矢量图层动态服务 12 13 require(["esri/map", 14 "dojo/dom", 15 "dojo/on", 16 "esri/layers/ArcGISDynamicMapServiceLayer", 17 "esri/layers/FeatureLayer", 18 "esri/layers/TableDataSource", 19 "esri/layers/LayerDataSource", 20 "esri/renderers/SimpleRenderer", 21 "esri/symbols/SimpleLineSymbol","dojo/json","esri/tasks/query", 22 "dojo/domReady!"], function ( 23 Map,dom,on, ArcGISDynamicMapServiceLayer, FeatureLayer, TableDataSource, LayerDataSource, SimpleRenderer,SimpleLineSymbol,jsonUtil,Query) { 24 25 var map = new Map("mapDiv"); 26 var layer1 = new ArcGISDynamicMapServiceLayer("http://localhost:6080/arcgis/rest/services/shp/shpexercise/MapServer"); 27 map.addLayer(layer1); 28 on(dom.byId("btn"),"click",function(e){ 29 alert("进入"); 30 //定义一个数据源 31 var dataSource = new TableDataSource(); 32 //此处为我们设置的命名空间 33 dataSource.workspaceId = "my"; 34 //命名空间下面的shp 35 dataSource.dataSourceName = "someArea1.shp"; 36 //定义一个图层数据源 37 var layerSource = new LayerDataSource(); 38 //给图层数据源赋值 39 layerSource.dataSource = dataSource; 40 //定义一个要素图层:注意链接为动态图层的地址， 41 //动态图层的设置参考链接： 42 //http://blog.csdn.net/lovecarpenter/article/details/52702931?hmsr=toutiao.io&utm_medium=toutiao.io&utm_source=toutiao.io 43 var layer2 = new FeatureLayer("http://localhost:6080/arcgis/rest/services/shp/shpexercise/MapServer/dynamicLayer", { 44 mode: FeatureLayer.MODE_ONDEMAND, 45 outFields: ["*"], 46 source: layerSource 47 }); 48 map.addLayer(layer2); 49 50 on(dom.byId("attr"),"click",function(){ 51 //得到要素图层的主键属性 52 var idProperty = layer2.objectIdField; 53 //定义查询参数 54 var query = new Query(); 55 //是否返回几何形状 56 query.returnGeometry = false; 57 //图层的主键名称（根据自己要求修改） 58 query.objectIds = [2]; 59 //查询条件1=1意思是：只根据主键查询，忽略where子句 60 query.where = "1=1"; 61 //进行查询 62 layer2.selectFeatures(query, FeatureLayer.SELECTION_NEW,function(result){ 63 //因为我们根据主键查询，一定只有一个元素 64 var graphic=result[0]; 65 //获得属性 66 var attributes=graphic.attributes; 67 //得到该属性信息转换成字符串 68 var result=jsonUtil.stringify(attributes); 69 //将结果弹出一下 70 alert(result); 71 }); 72 73 });}); 74 }); 75 </script> 76 </head> 77 78 <body> 79 <div id="mapDiv" style="height:600px;"></div> 80 <button id="btn" >添加动态图层</button> 81 <button id="attr">查看属性数据</button> 82 </body> 83 </html>
2.arcgis api for javaScript 实现动态发布栅格数据。
栅格数据和矢量数据的发布是不同的
完整代码如下
1 <!DOCTYPE html> 2 <html> 3 <head lang="en"> 4 <meta charset="UTF-8"> 5 <title></title> 6 <!-- <link rel="stylesheet" type="text/css" href="http://localhost/arcgis_js_api/library/3.17/3.17/dijit/themes/tundra/tundra.css"/> --> 7 <!-- <link rel="stylesheet" type="text/css" href="http://localhost/arcgis_js_api/library/3.17/3.17/esri/css/esri.css"/> --> 8 9 <link rel="styleSheet" href="https://js.arcgis.com/3.17/dijit/themes/claro/claro.css"> 10 <link rel="styleSheet" href="https://js.arcgis.com/3.17/dijit/themes/tundra/tundra.css"> 11 <link rel="stylesheet" href="https://js.arcgis.com/3.17/esri/css/esri.css"> 12 <script src="https://js.arcgis.com/3.17/init.js"></script> 13 <!-- <script type="text/Javascript" src="http://localhost/arcgis_js_api/library/3.17/3.17/init.js"></script> --> 14 <script type="text/javascript"> 15 //矢量图层动态服务 16 17 require(["esri/map", 18 "dojo/dom", 19 "dojo/on", 20 "esri/layers/DynamicLayerInfo", 21 "esri/layers/ArcGISDynamicMapServiceLayer", 22 "esri/layers/FeatureLayer", 23 "esri/layers/RasterDataSource", 24 "esri/layers/LayerDataSource", 25 "esri/renderers/SimpleRenderer", 26 "esri/symbols/SimpleLineSymbol","dojo/json","esri/tasks/query", 27 "dojo/domReady!"], function ( 28 Map,dom,on, DynamicLayerInfo,ArcGISDynamicMapServiceLayer, FeatureLayer, RasterDataSource, LayerDataSource, SimpleRenderer,SimpleLineSymbol,jsonUtil,Query) { 29 var map = new Map("mapDiv"); 30 on(dom.byId("btn"),"click",function(e){ 31 //定义一个数据源 32 var dataSource = new RasterDataSource(); 33 //此处设置命名空间 34 dataSource.workspaceId = "mythird"; 35 //命名空间下面的栅格数据 36 dataSource.dataSourceName = "ourTest.tif"; 37 //定义一个图层数据源 38 var layerSource = new LayerDataSource(); 39 //给图层数据源赋值 40 layerSource.dataSource = dataSource; 41 //定义一个要素图层:注意链接为动态图层的地址 42 43 var dynamicLayerInfo=new DynamicLayerInfo(); 44 dynamicLayerInfo.id = 0; 45 dynamicLayerInfo.source=layerSource; 46 47 48 var layer3=new ArcGISDynamicMapServiceLayer("http://localhost:6080/arcgis/rest/services/rastertest/Rastertest/MapServer"); 49 layer3.setDynamicLayerInfos([dynamicLayerInfo]); 50 map.addLayer(layer3); 51 }); 52 53 }); 54 </script> 55 </head> 56 57 <body> 58 <div id="mapDiv" style="height:600px;"></div> 59 <button id="btn" >添加动态图层</button> 60 </body> 61 </html>
动态工作空间（即代码中的 dataSource.workspaceId）的创建过程参考
http://blog.csdn.net/lovecarpenter/article/details/52702931?hmsr=toutiao.io&utm_medium=toutiao.io&utm_source=toutiao.io
