高德地图手工绘制电子围栏

guanchaoguo / 2023-08-18 / 原文

使用鼠标依次点击后点击完成即可

<!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">
    <title>画电子围栏</title>
    <link rel="stylesheet" href="http://cache.amap.com/lbs/static/main1119.css"/>
    <script src="http://webapi.amap.com/maps?v=1.3&key=这里写上你的key&plugin=AMap.PolyEditor"></script>
    <script type="text/javascript" src="http://cache.amap.com/lbs/static/addToolbar.js"></script>
    <script src="http://lib.sinaapp.com/js/jquery/2.2.4/jquery-2.2.4.min.js" type="text/javascript"
            charset="utf-8"></script>
</head>
<body>
<div id="container"></div>
<div id="myPageTop">
    <table>
        <tr>
            <td>添加新围栏:</td>
            <td><input id="button" type="button" value="完成" onClick="endHandler()"></td>
        </tr>
    </table>
</div>
</body>
<script>
    const button = document.getElementById('button');
    let beginPoints = [];
    let beginMarks = [];
    const map = new AMap.Map("container", {
        resizeEnable: true,
        center: [116.403322, 39.900255],
        zoom: 13
    });

    const clickHandler = function (e) {
        marker = new AMap.Marker({
            icon: "http://webapi.amap.com/theme/v1.3/markers/n/mark_b.png",
            position: e.lnglat
        });
        marker.setMap(map);
        beginMarks.push(marker);
        beginPoints.push(e.lnglat);
    };
    const endHandler = function (e) {
        new AMap.Polygon({
            map: map,
            path: beginPoints,
            strokeColor: "#0000ff",
            strokeOpacity: 1,
            strokeWeight: 3,
            fillColor: "#f5deb3",
            fillOpacity: 0.35
        });

        map.remove(beginMarks);
        map.off('click', clickHandler);
    }


    button.addEventListener('click', endHandler);
    
    map.on('click', clickHandler);


</script>
</html>