前言
官网指引,生成accesstoken,下载相关依赖请翻阅[https://blog.csdn.net/weixin_44402694/article/details/125414381?spm=1001.2014.3001.5501](https://blog.csdn.net/weixin_44402694/article/details/125414381?spm=1001.2014.3001.5501)
本文使用官网accesstoken,请自行生成私人token
mapbox绘制面图层并进行添加、删除、更新、显隐等操作
效果

代码实现
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>10、上图面图层相关操作</title>
<link
href="https://api.mapbox.com/mapbox-gl-js/v2.7.0/mapbox-gl.css"
rel="stylesheet"
/>
<script src="https://api.mapbox.com/mapbox-gl-js/v2.7.0/mapbox-gl.js"></script>
<style>
* {
padding: 0;
margin: 0;
list-style: none;
text-decoration: none;
}
html,
body {
width: 100%;
height: 100%;
}
#map {
width: 100%;
height: 100%;
}
.btn-list {
position: fixed;
top: 100px;
left: 100px;
}
</style>
</head>
<body>
<div id="map"></div>
<ul class="btn-list">
<li>
<button onclick="add()">添加</button>
</li>
<li>
<button onclick="update()">更新数据</button>
</li>
<li>
<button onclick="hide()">隐藏</button>
</li>
<li>
<button onclick="show()">显示</button>
</li>
<li>
<button onclick="editPolygonColor()">修改面颜色</button>
</li>
<li>
<button onclick="editOutlineColor()">修改面边界颜色</button>
</li>
<li>
<button onclick="deleteLayer()">删除</button>
</li>
</ul>
<script>
let marker = null
mapboxgl.accessToken =
'pk.eyJ1Ijoid2FuZ3Rvbmd4dWUiLCJhIjoiY2pzY3E2M2k0MDk3NzN5dDA0Nmtia2h0cCJ9.oP9fEJxOgVzm0dWGvL6tGg'
const map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/mapbox/streets-v11',
center: [108, 35],
zoom: 2,
})
function add() {
if (map && map.getSource('surface')) {
map.removeLayer('surface')
map.removeSource('surface')
}
map.addSource('surface', {
type: 'geojson',
data: {
type: 'Feature',
properties: {
color: 'red',
},
geometry: {
type: 'Polygon',
coordinates: [
[
[120, 30],
[124, 32],
[126, 34],
[130, 30],
[128, 28],
[120, 30],
],
],
},
},
})
map.addLayer({
id: 'surface',
type: 'fill',
source: 'surface',
paint: {
'fill-color': ['get', 'color'],
'fill-opacity': 1,
'fill-outline-color': ['get', 'color'],
},
})
}
function update() {
if (!map.getSource('surface')) {
return alert('请先添加')
}
map.getSource('surface').setData({
type: 'Feature',
properties: {
color: 'green',
},
geometry: {
type: 'Polygon',
coordinates: [
[
[110.10937500000074, 36.285607744174015],
[146.84765624999983, 35.71678108829262],
[146.14453125000034, 12.003498241279189],
[112.0429687500008, 13.546316937477897],
],
],
},
})
}
function hide() {
if (!map.getSource('surface')) {
return alert('请先添加')
}
map.setLayoutProperty('surface', 'visibility', 'none')
}
function show() {
if (!map.getSource('surface')) {
return alert('请先添加')
}
map.setLayoutProperty('surface', 'visibility', 'visible')
}
function editPolygonColor() {
if (!map.getSource('surface')) {
return alert('请先添加')
}
map.setPaintProperty('surface', 'fill-color', 'blue')
}
function editOutlineColor() {
if (!map.getSource('surface')) {
return alert('请先添加')
}
map.setPaintProperty('surface', 'fill-outline-color', 'blue')
}
function deleteLayer() {
if (!map.getSource('surface')) {
return alert('请先添加')
}
map.removeLayer('surface')
map.removeSource('surface')
}
</script>
</body>
</html>
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