<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
<link rel="stylesheet" href="https://a.amap.com/jsapi_demos/static/demo-center/css/demo-center.css" />
<style>
html,
body,
#container {
width: 100%;
height: 100%;
}
#map-zoom, #map-center {
color: #0288d1;
}
</style>
<title>地图级别与中心点</title>
</head>
<body>
<div id="container"></div>
<div class="info">
<h4>获取地图级别与中心点坐标</h4>
<p>当前级别:<span id="map-zoom">11</span></p>
<p>当前中心点:<span id="map-center">121.498586,31.239637</span></p>
</div>
<script src="https://webapi.amap.com/maps?v=1.4.15&key=您申请的key值"></script>
<script src="https://a.amap.com/jsapi_demos/static/demo-center/js/demoutils.js"></script>
<script>
//初始化地图
var map = new AMap.Map('container', {
resizeEnable: true, //是否监控地图容器尺寸变化
zoom: 11, //初始地图级别
center: [121.498586, 31.239637], //初始地图中心点
});
//显示地图层级与中心点信息
function logMapinfo(){
var zoom = map.getZoom(); //获取当前地图级别
var center = map.getCenter(); //获取当前地图中心位置
document.querySelector("#map-zoom").innerText = zoom;
document.querySelector("#map-center").innerText = center.toString();
};
//绑定地图移动与缩放事件
map.on('moveend', logMapinfo);
map.on('zoomend', logMapinfo);
</script>
</body>
</html>
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