Arcgis api for javascript添加底图

如何为自己的网页中的地图添加底图,且底图的位置和自己的地图的位置能够对应呢?arcgis api for javascript中的Map类的center属性怎么设置我不太清楚。。。我应该采取怎样的步骤设置这个属性呢?
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herrshi

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你这问题太笼统了,让人毫无回答的欲望。。。
 
抄一段官方示例
 
<!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>Tiled map service</title>
<link rel="stylesheet" href="https://js.arcgis.com/3.23/esr ... gt%3B
<style>
html, body, #map {
height: 100%; width: 100%; margin: 0; padding: 0;
}
</style>

<script src="https://js.arcgis.com/3.23/%26 ... gt%3B
<script>
var map;

require(["esri/map",
"esri/layers/ArcGISTiledMapServiceLayer",
"esri/geometry/Point",
"esri/SpatialReference",
"dojo/domReady!"],
function(Map, ArcGISTiledMapServiceLayer, Point, SpatialReference) {
map = new Map("map", {
center: new Point(1714791.187457787, 2194882.166227445, new SpatialReference({ wkid: 5936 }))
});

var tiled = new ArcGISTiledMapServiceLayer("https://services.arcgisonline. ... 6quot;);
map.addLayer(tiled);
}
);
</script>
</head>
<body></body>
</html>

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