这几天在学arcgis js开发,开发资料太少了,只能看文档,写了示例,作为参考!
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Simple Map</title> <link rel="stylesheet" type="text/css" href="http://172.7.24.230/arcgis_js_api/library/2.6/jsapi/js/dojo/dijit/themes/tundra/tundra.css"> <script type="text/javascript"> var djConfig = { parseOnLoad: true, url: "172.7.24.230" };</script> <script type="text/javascript" src="http://172.7.24.230/arcgis_js_api/library/2.6/jsapi/" charset="utf-8"></script> <script type="text/javascript"> try{ //dojo.require("dijit.layout.BorderContainer"); //dojo.require("dijit.layout.ContentPane"); dojo.require("esri.dijit.InfoWindow"); dojo.require("esri.dijit.InfoWindow"); dojo.require("esri.map"); //类似引入命名空间 dojo.require("esri.tasks.query");//添加query任务 dojo.require("esri.tasks.geometry"); dojo.require("esri.toolbars.draw"); }catch(e){ alert("ARCGIS API加载失败!"); } var myMap,geometryService,businessGraphicsLayer,queryTask,query; //初始化加载地图的方法 function init() { var startExtent = new esri.geometry.Extent(120.1044117860087,30.24444042330439, 120.25890702814839,30.347437251397523,esri.SpatialReference({wkid:32662})); //构造函数esriMap(divId,options?),options?参数总结如下: nav:true/false 是否在地图边上显示 8 个方向移动的功能按钮。 slider:true/false 是否显示比例滚动条。 extent:Extent 设置地图控件的初始地图范围 var map = new esri.Map("map",{ nav:true,slider:true,extent:startExtent}); //howInfoWindowOnClick:true/false 点击的时候是否显示infowindow。 displayGraphicsOnPan:true/false 设置地图上的图形在移动时是否显示,这个是对esri.toolbars.Draw画出来的图形的设置,默认为true,当需要提供浏览器的效率可以设置成false这样就不会消耗过多的cpu资源。 myMap = new esri.Map("mapDiv",{ nav:true,slider:true,extent:startExtent,logo:false}); //note that if you do not have public Internet access then you will need to point this url to your own locally accesible cached service. //用于支持cache的Tile地图 var myTiledMapServiceLayer = new esri.layers.ArcGISTiledMapServiceLayer("http://172.7.24.230/ArcGIS/rest/services/MapServices/MapServer"); var myDynMapServiceLayer = new esri.layers.ArcGISDynamicMapServiceLayer("http://172.7.24.230/ArcGIS/rest/services/MapServices/MapServer"); //把myTiledMapServiceLayer添加到地图控件中(ArcGISDynamicMapServiceLayer用于支持Dynamic地图) myMap.addLayer(myTiledMapServiceLayer); myMap.addLayer(myDynMapServiceLayer); //自己添加的业务层,可以在此层上面添加各种元素 businessGraphicsLayer = new esri.layers.GraphicsLayer(); myMap.addLayer(businessGraphicsLayer); geometryService = new esri.tasks.GeometryService("http://172.7.24.230/ArcGIS/rest/services/Geometry/GeometryServer");//GeometryService服务 //设置slider条的位置大小 esriConfig.defaults.map.slider = {left : "30px",top : "20px",width : null,height : "120px"}; /*var lods = Layer.tileInfo.lods; //记录各级比例信息 for (var i=0, il=lods.length; i<il; i++) { labels[i] = lods[i].scale; }*/ esriConfig.defaults.map.sliderLabel = { tick: 2,//横刻度线大小 labels: "",//显示信息 //slider条信息文字样式设置,字体、字大小、字颜色、字离左边的距离 style: "width:2em; font-family:Verdana; font-size:12px; color:#fff; padding-left:2px;" }; //分别设置地图放大缩小的持续时间和刷新时间设置 esriConfig.defaults.map.zoomDuration = 1000;//默认250 esriConfig.defaults.map.zoomRate = 50;//默认25 //分别设置地图移动的持续时间和刷新时间设置 esriConfig.defaults.map.panDuration = 10000;//默认250 esriConfig.defaults.map.panRate = 50;//默认25 //esriConfig.defaults.map.sliderLabel = null;设置不显示sliderLabel //ToolBar功能按钮 esri.toolbars.Navigation(map) navToolbar = new esri.toolbars.Navigation(myMap); draToolbar = new esri.toolbars.Draw(myMap); dojo.connect(draToolbar,"onDrawEnd",doDraw);//绘制完成后调用doDraw dojo.connect(navToolbar, "onExtentHistoryChange", extentHistoryChangeHandler);//为Navigation绑定事件监听 //给地图控件添加视图变化监听事件 dojo.connect(myMap,"onExtentChange",showExtent); //给地图控件添加载入完成(onload)监听事件 //在onload监听事件里在去添加对鼠标移动和拖拽的监听了 dojo.connect(myMap,"onLoad",function(){ //给地图控件添加鼠标移动监听事件 dojo.connect(myMap,"onMouseMove",showCoordinates); //给地图控件添加鼠标拖拽监听事件 dojo.connect(myMap,"onMouseDrag",showCoordinates); }); //获取元素信息窗口 dojo.connect(businessGraphicsLayer, "onClick", addPoint); //businessGraphicsLayer右键处理(删除) dojo.connect(businessGraphicsLayer, "onMouseDown", removePoint); dojo.connect(businessGraphicsLayer,"onMouseDrag",changePoint); } //画图 function doDraw(geometry){ //根据图形的类型定义显示样式 switch(geometry.type){ case "point": //var symbol = new esri.symbol.SimpleMarkerSymbol(esri.symbol.SimpleMarkerSymbol.STYLE_SQUARE,10,new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_SOLID,new dojo.Color([255,0,0]),1),new dojo.Color([0,255,0,0.25])); var symbol = new esri.symbol.PictureMarkerSymbol('E:/地图/部署/images/crossing-alarm.png', 25, 40);//esri.symbol.PictureMarkerSymbol(url, width, height) break; case "line": var symbol = new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_DASH,new new dojo.Color([255,0,0]),1); break; case "polygon": var symbol = new esri.symbol.SimpleFillSymbol(esri.symbol.SimpleFillSymbol.STYLE_SOLID, new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_DASHDOT, new dojo.Color([0,0,0]),1), new dojo.Color([255,0,0,0.25])); break; } //把绘制的图形添加到businessGraphicsLayer上显示 var graphic = new esri.Graphic(geometry,symbol); //myMap.graphics.clear();//清除上次画的内容 businessGraphicsLayer.add(graphic);//myMap.graphics.add(graphic); } //显示地图范围 function showExtent(extent) { var s="地图范围:<br/>XMin:"+extent.xmin+"<br/>YMin:"+extent.ymin+"<br/>XMax:"+extent.xmax+"<br/>YMax:"+extent.ymax; dojo.byId("info").innerHTML=s; } //显示鼠标坐标 function showCoordinates(event){ var mp=event.mapPoint; var mp2=event.screenPoint; dojo.byId("info2").innerHTML="地理坐标:"+mp.x+","+mp.y+"<br/>屏幕坐标:"+mp2.x+","+mp2.y; } //地图范围变化的事件 function extentHistoryChangeHandler(){ document.getElementById("preview").disabled=navToolbar.isFirstExtent();//前一视图按钮不可用 document.getElementById("nextview").disabled=navToolbar.isLastExtent();//后一视图按钮不可用 } //绘制图形控制函数按钮相应事件 function Draw(type){ switch(type){ case "showzoom":{//漫游 draToolbar.deactivate(); navToolbar.deactivate(); myMap.showZoomSlider(); break; } case "point":{//画点 draToolbar.activate(esri.toolbars.Draw.POINT); myMap.hideZoomSlider(); break; } case "line":{//画线 draToolbar.activate(esri.toolbars.Draw.LINE); myMap.hideZoomSlider(); break; } case "polygon":{//画面 draToolbar.activate(esri.toolbars.Draw.POLYGON); myMap.hideZoomSlider(); break; } } } //地图浏览控制函数,按钮相应事件 function Navigation(tool){ switch(tool){ case "zoomin":{//放大 navToolbar.activate(esri.toolbars.Navigation.ZOOM_IN); break; } case "zoomout":{//缩小 navToolbar.activate(esri.toolbars.Navigation.ZOOM_OUT); break; } case "pan":{//平移 navToolbar.activate(esri.toolbars.Navigation.PAN); break; } case "preview":{//上一视图 navToolbar.zoomToPrevExtent(); break; } case "nextview":{//下一视图 navToolbar.zoomToNextExtent(); break; } case "fullextent":{//全图显示 navToolbar.zoomToFullExtent(); break; } } } //弹窗 function addPoint(evt) { myMap.infoWindow.resize(200,100);//设置窗口大小 myMap.infoWindow.setTitle("Coordinates"); //设置窗口标题 //Need to convert the coordinates from the map's spatial reference (web mercator) to geographic to display lat/lon values var geoPt = esri.geometry.webMercatorToGeographic(evt.mapPoint); myMap.infoWindow.setContent("lat/lon : " + geoPt.y.toFixed(2) + ", " + geoPt.x.toFixed(2) + "<br />screen x/y : " + evt.screenPoint.x + ", " + evt.screenPoint.y); myMap.infoWindow.show(evt.mapPoint,myMap.getInfoWindowAnchor(evt.screenPoint)); //为获取系统建议的显示位置 } //删除点 function removePoint(evt){ if(evt.button==2){//检查其event.button的值是不是2(代表右键)。 businessGraphicsLayer.remove(evt.graphic); } } //拖拽改变点的位置 function changePoint(evt){ //alert(evt.x+","+evt.y); } //用dojo的addOnload方法初始化地图 dojo.addOnLoad(init); </script> </head> <body class="tundra"> <table> <tr> <td> <div id="mapDiv"style="width: 1200px; height: 800px; border: 1px solid #000;"></div> </td> <td valign="top"> <div id="info"></div><div id="info2""></div> </td> </tr> </table> <input id="showzoom" type="button" value="漫游" onclick="Draw(this.id)"/> <input id="point" type="button" value="画点" onclick="Draw(this.id)"/> <input id="line" type="button" value="画线" onclick="Draw(this.id)"/> <input id="polygon" type="button" value="画面" onclick="Draw(this.id)"/> <input id="zoomin" type="button" value="放大" onclick="Navigation(this.id)"/> <input id="zoomout" type="button" value="缩小" onclick="Navigation(this.id)"/> <input id="pan" type="button" value="平移" onclick="Navigation(this.id)"/> <input id="preview" type="button" value="上一视图" onclick="Navigation(this.id)"/> <input id="nextview" type="button" value="下一视图" onclick="Navigation(this.id)"/> <input id="fullextent" type="button" value="全图" onclick="Navigation(this.id)"/> </body> </html>