Simple
Runnable OpenLayers example: Simple. Open the live demo, read the complete source, and copy the file into your project. No build step or API key.
single HTML file · CDN dependencies onlyinterface may contain Chinese labels
Source
<!--
示例：最简地图
要点：Map + View + TileLayer 三行核心代码就能出图
依赖：OpenLayers 10.3.1 · jsDelivr CDN（底图 OSM，无 Key）
-->
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta name="robots" content="noindex,follow">
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>最简地图</title>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/ol@10.3.1/ol.css">
<style>
html,body{height:100%;margin:0}
body{display:flex;flex-direction:column;overflow:hidden;
font:13px/1.6 -apple-system,"Segoe UI","PingFang SC",sans-serif;color:#16181d}
.bar{flex:0 0 auto;padding:8px 12px;background:#f6f7f9;border-bottom:1px solid #e3e6ea;
display:flex;gap:14px;align-items:center;font-size:12px;color:#58606e}
#map{flex:1 1 auto;min-height:0;background:#eef0f3}
</style>
</head>
<body>
<div class="bar"><span>缩放、拖动都由默认交互接管</span></div>
<div id="map"></div>
<script src="https://cdn.jsdelivr.net/npm/ol@10.3.1/dist/ol.js"></script>
<script>
(function () {
'use strict';
if (!window.ol) {
document.getElementById('map').textContent = 'OpenLayers 加载失败，请检查 cdn.jsdelivr.net 是否可访问';
return;
}
new ol.Map({
target: 'map',
layers: [
new ol.layer.Tile({ source: new ol.source.XYZ({url: 'https://server.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer/tile/{z}/{y}/{x}', attributions: 'Tiles © Esri'}) })
],
view: new ol.View({
center: ol.proj.fromLonLat([116.391, 39.907]),
zoom: 12
})
});
})();
</script>
</body>
</html>
Language: the code and this page are in English; the full tutorial and API notes for this example are in Chinese. The demo itself is the authoritative version — it runs exactly as shown.