使用.setLayoutProperty来动态转化语言
<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8' />
<title></title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.29.0/mapbox-gl.js'></script>
<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.29.0/mapbox-gl.css' rel='stylesheet' />
<style>
body { margin:0; padding:0; }
#map { position:absolute; top:0; bottom:0; width:100%; }
</style>
</head>
<body>
<style>
#buttons {
width: 90%;
margin: 0 auto;
}
.button {
display: inline-block;
position: relative;
cursor: pointer;
width: 20%;
padding: 8px;
border-radius: 3px;
margin-top: 10px;
font-size: 12px;
text-align: center;
color: #fff;
background: #ee8a65;
font-family: sans-serif;
font-weight: bold;
}
</style>
<div id='map'></div>
<ul id="buttons">
<li id='button-fr' class='button'>French</li>
<li id='button-ru' class='button'>Russian</li>
<li id='button-de' class='button'>German</li>
<li id='button-es' class='button'>Spanish</li>
</ul>
<script>
mapboxgl.accessToken = '<your access token here>';
var map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/mapbox/light-v9',
center: [16.05, 48],
zoom: 2.9
});
document.getElementById('buttons').addEventListener('click', function(event) { /* DOM.addEventListener(type,callback(e)):为type事件添加监听器,此处是click事件 */
var language = event.target.id.substr('button-'.length);/* event.target.id获取DOM的id,substr(start,length) 方法可在字符串中抽取从 start 下标开始的指定数目的字符 */
// Use setLayoutProperty to set the value of a layout property in a style layer.
// The three arguments are the id of the layer, the name of the layout property,
// and the new property value.
map.setLayoutProperty('country-label-lg', 'text-field', '{name_' + language + '}');
});
</script>
</body>
</html>