折线的绘制和编辑

使用AMap.Polyline和AMap.PolyEditor插件绘制和编辑折线

源代码编辑器

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          <!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>折线的绘制和编辑</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.PolyEditor"></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="polyEditor.open()" style="margin-bottom: 5px">开始编辑</button> 
   <button class="btn" onclick="polyEditor.close()">结束编辑</button> 
</div>
<script type="text/javascript">
    var map = new AMap.Map("container", {
        center: [116.395577, 39.892257],
        zoom: 14
    });

    var path = [
        [116.362209, 39.887487],
        [116.422897, 39.878002],
        [116.372105, 39.90651],
        [116.428945, 39.89663]
    ];

    var polyline = new AMap.Polyline({
        path: path,
        isOutline: true,
        outlineColor: '#ffeeff',
        borderWeight: 3,
        strokeColor: "#3366FF", 
        strokeOpacity: 1,
        strokeWeight: 6,
        // 折线样式还支持 'dashed'
        strokeStyle: "solid",
        // strokeStyle是dashed时有效
        strokeDasharray: [10, 5],
        lineJoin: 'round',
        lineCap: 'round',
        zIndex: 50,
    })

    polyline.setMap(map)
    // 缩放地图到合适的视野级别
    map.setFitView([ polyline ])

    var polyEditor = new AMap.PolyEditor(map, polyline)

    polyEditor.on('addnode', function(event) {
        log.info('触发事件：addnode')
    })

    polyEditor.on('adjust', function(event) {
        log.info('触发事件：adjust')
    })

    polyEditor.on('removenode', function(event) {
        log.info('触发事件：removenode')
    })

    polyEditor.on('end', function(event) {
        log.info('触发事件： end')
        // event.target 即为编辑后的折线对象
    })
</script>
</body>
</html>
        

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