<!DOCTYPE html
[/span>html
[/span>head
[/span>meta charset="utf-8"
[/span>title
[/span>link rel="stylesheet" href="" />
[/span>link rel="stylesheet" href="" />
[/span>style
html, body, #main {
padding: 0;
margin: 0;
Width＜/span>: 100%;
Height＜/span>: 100%;
}
[/span>script src=""
[/span>script
var map, gsvc;
require(【"dojo/parser", "esri/geometry/Extent", "esri/map", "esri/layers/ArcGISTiledMapServiceLayer",
"esri/SpatialReference", "esri/tasks/GeometryService", "esri/geometry/webMercatorUtils", "esri/geometry/Point",
"dijit/layout/BorderContainer", "dijit/layout/ContentPane",
"dojo/domReady!"】,
function (parser, Extent, Map, ArcGISTiledMapServiceLayer, SpatialReference, GeometryService, webMercatorUtils, Point) {
parser.parse();
map = new esri.Map("mapDiv");
var layer = new ArcGISTiledMapServiceLayer("");
map.addLayer(layer);
map.setExtent(new Extent(-144.13, 7.98, -52.76, 68.89, new SpatialReference({ wkid: 4326 })));
gsvc = new GeometryService("");
map.on("click", projectToWebMercator);
function projectToWebMercator(evt) {
map.graphics.clear();
var point = evt.mapPoint;
var outSR = new SpatialReference({ wkid: 102113 }//代码效果参考：http://www.ezhiqi.com/zx/art_2366.html );
// 利用webMercatorUtils模块转换坐标
var wm = webMercatorUtils.geographicToWebMercator(point);
// 利用我们自己的计算方法转换坐标
var we = toWebMercator(point);
gsvc.project(【point】, outSR, function (projectedPoints) {
pt = projectedPoints【0】;
var desc1 = "通过服务得到的坐标:
" + pt.x.toFixed(3) + ";" + pt.y.toFixed(3);
var desc2 = "功能函数计算的坐标:
" + wm.x.toFixed(3) + ";" + wm.y.toFixed(3);
var desc3 = "自己函数计算的坐标:
" + we.x.toFixed(3) + ";" + we.y.toFixed(3);
document.getElementById("spatialReference").innerHTML = desc1 + "
" + desc2 + "
" + desc3;
});
}
function toWebMercator(pt) {
var num = pt.x 0.017453292519943295;
var x = 6378137.0 num;
var a = pt.y 0.017453292519943295;
var y = 3189068.5 Math.log((1.0 + Math.sin(a)) / (1.0 - Math.sin(a)));
return new Point({ "x": x, "y": y, "spatialReference": { "wkid": 102113 }//代码效果参考：http://www.ezhiqi.com/bx/art_6119.html }//代码效果参考：http://www.ezhiqi.com/zx/art_5298.html );
}
});
[/span>body class="soria"
[/span>div data-dojo-type="dijit/layout/BorderContainer" data-dojo-props="design:'headline'" id="main"
[/span>div data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'top'" style="height: 60px;"
[/span>h3
[/span>div id="mapDiv" data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'center'"
[/span>div id="spatialReference" data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'right', splitter:true" style="width:200px; border:1px solid #000;"
</<span style="col
