原文链接及内容

原文链接：https://openlayers.org/en/latest/examples/full-screen.html

运行界面

单击右上角的控件可全屏显示。再次点击可退出全屏显示。倘若地图上没有按钮，那么您的浏览器不支持全屏API。

main.js代码如下：

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import Map from 'ol/Map.js';
import TileLayer from 'ol/layer/Tile.js';
import View from 'ol/View.js';
import XYZ from 'ol/source/XYZ.js';
import {FullScreen, defaults as defaultControls} from 'ol/control.js';

const view = new View({
  center: [-9101767, 2822912],
  zoom: 14,
});

const key = 'Get your own API key at https://www.maptiler.com/cloud/';
const attributions =
  '<a href="https://www.maptiler.com/copyright/" target="_blank">&copy; MapTiler</a> ' +
  '<a href="https://www.openstreetmap.org/copyright" target="_blank">&copy; OpenStreetMap contributors</a>';

const map = new Map({
  controls: defaultControls().extend([new FullScreen()]),
  layers: [
    new TileLayer({
      source: new XYZ({
        attributions: attributions,
        url:
          'https://api.maptiler.com/tiles/satellite/{z}/{x}/{y}.jpg?key=' + key,
        maxZoom: 20,
      }),
    }),
  ],
  target: 'map',
  view: view,
});

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>Full Screen Control</title>
    <link rel="stylesheet" href="node_modules/ol/ol.css">
    <style>
      .map {
        width: 100%;
        height: 400px;
      }
      .map:-webkit-full-screen {
        height: 100%;
        margin: 0;
      }
      .map:fullscreen {
        height: 100%;
      }
      .map .ol-rotate {
        top: 3em;
      }
    </style>
  </head>
  <body>
    <div id="map" class="map"></div>
    <!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
    <script src="https://cdn.jsdelivr.net/npm/elm-pep@1.0.6/dist/elm-pep.js"></script>
    <script type="module" src="main.js"></script>
  </body>
</html>