JZTXT

利用高德地图 API自动生成电子围栏

发布时间 2023-08-15 12:31:27作者: vx_guanchaoguo0

大致思路

  • 绘制和导航 需要高德 KEY 自己去注册申请
  • 使用高德步行导航找到围栏的多边形的拐点
  • 绘制多边形

小试牛刀 利用高德地图在紫禁城画个圈

<!doctype html>
<html>
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
    <style>
        html,
        body,
        #container {
            width: 100%;
            height: 100%;
        }
    </style>
    <title>紫禁城画个圆圈</title>
    <link rel="stylesheet" href="https://a.amap.com/jsapi_demos/static/demo-center/css/demo-center.css"/>
    <script src="https://webapi.amap.com/maps?v=1.4.15&key=您申请的key值&plugin=AMap.CircleEditor"></script>
    <script src="https://a.amap.com/jsapi_demos/static/demo-center/js/demoutils.js"></script>
</head>
<body>
<div id="container"></div>
<div class="input-card" style="width: 120px">
    <button class="btn" onclick="circleEditor.open()" style="margin-bottom: 5px">开始编辑</button>
    <button class="btn" onclick="circleEditor.close()">结束编辑</button>
</div>
<script type="text/javascript">
    let map = new AMap.Map("container", {
        center: [116.433322, 39.900256],
        zoom: 14
    });
    let circle = new AMap.Circle({
        center: [116.433322, 39.900255],
        radius: 1000,
        borderWeight: 3,
        strokeColor: "#FF33FF",
        strokeOpacity: 1,
        strokeWeight: 6,
        fillOpacity: 0.4,
        strokeStyle: 'dashed',
        strokeDasharray: [10, 10],
        fillColor: '#1791fc',
        zIndex: 50,
    })
    circle.setMap(map)
    map.setFitView([circle])


</script>
</body>
</html>