openlayers，创建map
ol.Map 是openlayers核心的部分
此处引用openlayers官网上quirk start 源码
<!doctype html>
<html lang="en">
<head>
<link rel="stylesheet" href="https://openlayers.org/en/v4.2.0/css/ol.css" type="text/css">
<style>
.map { //设置放置map的div的大小
height: 400px;
width: 100%;
}
</style>
<script src="https://openlayers.org/en/v4.2.0/build/ol.js" type="text/javascript"></script>
<title>OpenLayers example</title>
</head>
<body>
<h2>My Map</h2>
<div id="map" class="map"></div>
<script type="text/javascript">
var map = new ol.Map({
target: 'map', //对应的是插入map的div的id
layers: [ //定义图层数组
new ol.layer.Tile({ //创建地图层，底层
source: new ol.source.OSM() //设置地图层的source
})
],
view: new ol.View({
center: ol.proj.fromLonLat([37.41, 8.82]), //确定显示地图的中心点坐标
zoom: 4 //设置地图放大倍数
})
});
</script>
</body>
</html>
相应的官网资料：点击打开链接
转载自：https://blog.csdn.net/Liluoqaq/article/details/75043687
