dojo.require("esri.map");        dojo.require("esri.toolbars.draw");        dojo.require("esri.graphic");        dojo.require("esri.layers.graphics");        dojo.require("esri.geometry");        var ptcount = "13740395.6058,5130594.7971/13740385.6058,5130594.7971/13740375.6058,5130594.7971/13740365.6058,5130594.7971/13740355.6058,5130594.7971/13740355.6058,5130583.7971/13740355.6058,5130572.7971/13740355.6058,5130561.7971/13740355.6058,5130550.7971/13740355.6058,5130549.7971/13740355.6058,5130538.7971/13740355.6058,5130527.7971/13740355.6058,5130516.7971/13740355.6058,5130505.7971/13740355.6058,5130494.7971/13740355.6058,5130483.7971/13740355.6058,5130472.7971/13740355.6058,5130461.7971/13740355.6058,5130450.7971/13740355.6058,5130449.7971/13740355.6058,5130438.7971/13740355.6058,5130427.7971/13740355.6058,5130416.7971/13740355.6058,5130405.7971/13740355.6058,5130394.7971/13740355.6058,5130383.7971/13740355.6058,5130372.7971/13740355.6058,5130361.7971/13740355.6058,5130350.7971/13740355.6058,5130349.7971/13740355.6058,5130328.7971/13740355.6058,5130317.7971/13740355.6058,5130306.7971/13740355.6058,5130295.7971/13740355.6058,5130284.7971/13740355.6058,5130273.7971/13740355.6058,5130262.7971/";        var list;        var defaultSymbol;        var myMap;        var icount;        var i = 0;        function ptcounntSplit() {            list = ptcount.split("/");           icount= list.length;            //alert(list[0].substring(0,list[0].indexOf(',')));            //alert(list[0].substring(list[0].indexOf(',')+1, list[0].length));        }        function ptPosition() {            var pointSymbol = new esri.symbol.SimpleMarkerSymbol();            pointSymbol.setOutline = new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_SOLID, new dojo.Color([255, 0, 0]), 1);            pointSymbol.setSize(5);            pointSymbol.setColor(new dojo.Color([0, 255, 0, 0.25]));                    var geometry = new esri.geometry.Point(13740395.6058, 5130594.7971);                    var graphic = new esri.Graphic(geometry, pointSymbol);            myMap.graphics.add(graphic);           // var point = new esri.geometry.Point({ "x": 13740395.6058, "y": 5130594.7971, " spatialReference": { " wkid": 102100} });            myMap.centerAndZoom(geometry, 20);        }               function go() {                       var pointSymbol = new esri.symbol.SimpleMarkerSymbol();            pointSymbol.setOutline = new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_SOLID, new dojo.Color([255, 0, 0]), 1);            pointSymbol.setSize(5);            pointSymbol.setColor(new dojo.Color([0, 255, 0, 0.25]));            //alert(list[i]);            var geometry = new esri.geometry.Point(list[i].substring(0, list[i].indexOf(',')), list[i].substring(list[i].indexOf(',') + 1, list[i].length));            var graphic = new esri.Graphic(geometry, pointSymbol);            myMap.graphics.add(graphic);                     var extent = myMap.extent;            if (!extent.contains(graphic.geometry)) {                myMap.centerAt(geometry);            }                 i++;                         }        function gogps() {                      go();            if (i < icount) {                            window.setTimeout("gogps()", "2000");            }            else {                            window.clearTimeout("gogps()");            }                   }            function init() {        //var myMap = new esri.Map("mapDiv");          var customExtentAndSR = new esri.geometry.Extent(13676444.4499247, 5092822.83792968, 13781163.1786753, 5160163.85984883, new esri.SpatialReference({ "wkid": 102100}));           myMap = new esri.Map("mapDiv", {extent:customExtentAndSR});         //note that if you do not have public Internet access then you will need to point this url to your own locally accessible cached service.        var myTiledMapServiceLayer = new esri.layers.ArcGISTiledMapServiceLayer("http://www.arcgisonline.cn/ArcGIS/rest/services/ChinaCities_Community_BaseMap_CHN/ShenYang_Community_BaseMap_CHN/MapServer");        myMap.addLayer(myTiledMapServiceLayer);       }      dojo.addOnLoad(init);            
       
  
      
     

原文链接：