课程目标：关于级别的一些东东.
代码语言：javascript复制<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title></title>
<script type="text/javascript" src="https://webapi.amap.com/maps?v=1.4.11&key=key值"></script>
<style type="text/css">
*{margin: 0;padding: 0;}
#container{width: 100%;height: 100%;position: absolute;left: 0;top: 0;}
</style>
</head>
<body>
<div id="container"></div>
<script>
var map=new AMap.Map('container',{
zoom:11,
center:[121,30]
});
map.on('zoomend',function(){
console.log(map.getZoom());
console.log(map.getCenter().toString());
});
</script>
</body>
</html>1.级别
2.地图的中心点;
3.在双击后获取级别&&中心点
效果（双击）：
