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Mapbox GL JS:如果单击标记,则忽略 Map 点击事件

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我在 Map 上有一个标记 . 我想在单击时更改其状态,并在单击 Map 上的其他位置时将其更改回来 .

问题是单击标记时也会触发 map.on("click", console.log) .

我想只看到标记点击事件,因为 Map 点击会调用状态回滚 .

<!DOCTYPE html>
<html>
<head>
    <meta charset='utf-8' />
    <title></title>
    <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
    <script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.39.1/mapbox-gl.js'></script>
    <link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.39.1/mapbox-gl.css' rel='stylesheet' />
    <style>
        body { margin:0; padding:0; }
        #map { position:absolute; top:0; bottom:0; width:100%; }
    </style>
</head>
<body>

<div id='map'></div>

<script>
mapboxgl.accessToken = 'access token';

var map = new mapboxgl.Map({
    container: 'map',
    style: 'mapbox://styles/mapbox/streets-v9',
    center: [-65.017, -16.457],
    zoom: 5
});

var el = document.createElement('div');
el.style.backgroundImage = 'url(https://placekitten.com/g/40/40/)';
el.style.width = 40 + 'px';
el.style.height = 40 + 'px';

new mapboxgl.Marker(el)
    .setLngLat([ -63.29223632812499, -18.28151823530889 ])
    .addTo(map);

el.addEventListener('click', console.log);
map.on('click', console.log);

</script>

</body>
</html>

2 回答

  • 0

    您可能想使用 map.once()map.off() ,请参阅:Double on click event with mapbox gl

  • 4

    我认为你想做的是当用户点击标记时阻止事件被处理两次 . 要做到这一点,你可以使用 event.stopPropagation();

    见:https://developer.mozilla.org/en/docs/Web/API/Event/stopPropagation

    在您的代码中,您可以像这样使用它:

    function handleKitten(e) {
       e.target.style.backgroundImage = 'url(http://placekitten.com/g/50/50)';
       e.stopPropagation();
     }
    
     function handleMapClick(e) {
       console.log('handleMapClick', e);
     }
    
     var map = new mapboxgl.Map({
       container: 'map',
       style: 'mapbox://styles/mapbox/streets-v9',
       center: [-65.017, -16.457],
       zoom: 5
     });
    
     var el = document.createElement('div');
     el.style.backgroundImage = 'url(https://placekitten.com/g/40/40/)';
     el.style.width = 40 + 'px';
     el.style.height = 40 + 'px';
    
     new mapboxgl.Marker(el)
       .setLngLat([ -63.29223632812499, -18.28151823530889 ])
       .addTo(map);
    
     el.addEventListener('click', handleKitten, false);
     map.on('click', handleMapClick);
    

    我做了一个快速的jsfiddle示范:https://jsfiddle.net/andi_lo/guzskv7n/7/

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