index.html
<!DOCTYPE html>
<html>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>图形样式 - 线样式</title>
<style type="text/css">
html,body{margin:0px;height:100%;width:100%}
.container{width:100%;height:100%}
</style>
<link rel="stylesheet" href="https://unpkg.com/maptalks/dist/maptalks.css">
<script type="text/javascript" src="https://unpkg.com/maptalks/dist/maptalks.min.js"></script>
<body>
<div id="map" class="container"></div>
<script>
var map = new maptalks.Map('map', {
center: [-0.113049,51.49856],
zoom: 10,
baseLayer: new maptalks.TileLayer('base', {
urlTemplate: 'https://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png',
subdomains: ['a','b','c','d'],
attribution: '© <a href="http://osm.org">OpenStreetMap</a> contributors, © <a href="https://carto.com/">CARTO</a>'
})
});
var layer = new maptalks.VectorLayer('vector').addTo(map);
var line = new maptalks.LineString(
[
map.getCenter().sub(0.1, 0),
map.getCenter().add(0.1, 0),
map.getCenter().add(0.1, -0.1)
],
{
symbol:{
'lineColor' : '#1bbc9b',
'lineWidth' : 6,
'lineJoin' : 'round', //miter, round, bevel
'lineCap' : 'round', //butt, round, square
'lineDasharray' : null,//dasharray, e.g. [10, 5, 5]
'lineOpacity ' : 1
}
}
).addTo(layer);
</script>
</body>
</html>