javascript - leaflet.js中如何显示 map 比例尺

Question

我想知道如何在leafleat.js 中显示比例尺 map 。那就是:我想要这个 而不是这个 (带到 leaflet tutorial )。请参见图片的左下角。

Answer 1

您可以使用 L.control.scale() :

var map = L.map('map').setView([51.505, -0.09], 13);

L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {
    attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
}).addTo(map);

L.control.scale().addTo(map);

<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.3/dist/leaflet.css" integrity="sha256-kLaT2GOSpHechhsozzB+flnD+zUyjE2LlfWPgU04xyI=" crossorigin="" />
<script src="https://unpkg.com/leaflet@1.9.3/dist/leaflet.js" integrity="sha256-WBkoXOwTeyKclOHuWtc+i2uENFpDZ9YPdf5Hf+D7ewM=" crossorigin=""></script>

<div id="map" style="width: 100%; height: 150px;"></div>