原文链接及内容

原文链接：https://openlayers.org/en/latest/examples/stamen.html

运行界面

上述地图由两个图层组组成：水彩基础图层，来自Stamen的地形标签图层。

注：Stadia Maps的图层不需要API密钥来localhost开发或大多数生产网络部署，详见：https://docs.stadiamaps.com/authentication/ 。

main.js代码如下：

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import Map from 'ol/Map.js';
import StadiaMaps from 'ol/source/StadiaMaps.js';
import TileLayer from 'ol/layer/Tile.js';
import View from 'ol/View.js';
import {fromLonLat} from 'ol/proj.js';

const map = new Map({
  layers: [
    // NOTE: Layers from Stadia Maps do not require an API key for localhost development or most production
    // web deployments. See https://docs.stadiamaps.com/authentication/ for details.
    new TileLayer({
      source: new StadiaMaps({
        layer: 'stamen_watercolor',
        // apiKey: 'OPTIONAL'
      }),
    }),
    new TileLayer({
      source: new StadiaMaps({
        layer: 'stamen_terrain_labels',
        // apiKey: 'OPTIONAL'
      }),
    }),
  ],
  target: 'map',
  view: new View({
    center: fromLonLat([-122.416667, 37.783333]),
    zoom: 12,
  }),
});

界面布局文件index.html代码如下：

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8">
    <title>Stadia Maps (Stamen Tile Layer Composition)</title>
    <link rel="stylesheet" href="node_modules/ol/ol.css">
    <style>
      .map {
        width: 100%;
        height: 400px;
      }
    </style>
  </head>
  <body>
    <div id="map" class="map"></div>

    <script type="module" src="main.js"></script>
  </body>
</html>