OpenLayers3-4-Attributions_.ol-attribution

作者：Monodyee | 2024-05-22 08:35:02

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.ol-attribution

原文地址：http://openlayers.org/en/v3.12.1/examples/attributions.html

When the map gets too small because of a resize, the attribution will be collapsed. This is because the collapsible option is set to true if the width of the map gets smaller than 600 pixels.

Related API documentation:
ol.Map,ol.View,ol.control,ol.control.Attribution,ol.layer.Tile,ol.source.OSM

翻译：
当地图因为缩放变的太小的时候，地图的属性会崩溃。这个是因为允许奔溃选项被设置成真，如果地图的宽度小于600像素。

相关的api文档包括：
ol.Map,ol.View,ol.control,ol.control.Attribution,ol.layer.Tile,ol.source.OSM

<!DOCTYPE html>
<html>
  <head>
    <title>Attributions</title>
    <link rel="stylesheet" href="http://openlayers.org/en/v3.12.1/css/ol.css" type="text/css">
    <script src="http://openlayers.org/en/v3.12.1/build/ol.js"></script>
  </head>
  <body>
    <div id="map" class="map"></div>
    <script>
      var attribution = new ol.control.Attribution({
        collapsible: false
      });
      var map = new ol.Map({
        layers: [
          new ol.layer.Tile({
            source: new ol.source.OSM()
          })
        ],
        controls: ol.control.defaults({ attribution: false }).extend([attribution]),
        target: 'map',
        view: new ol.View({
          center: [0, 0],
          zoom: 2
        })
      });

      function checkSize() {
        var small = map.getSize()[0] < 600;
        attribution.setCollapsible(small);
        attribution.setCollapsed(small);
      }

      window.addEventListener('resize', checkSize);
      checkSize();
    </script>
  </body>
</html>
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