<!DOCTYPE html> <html> <head> <title>Overlay</title> <link rel="stylesheet" href="https://openlayers.org/en/v4.0.1/css/ol.css" type="text/css"> <!-- The line below is only needed for old environments like Internet Explorer and Android 4.x --> <script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList,URL"></script> <script src="https://openlayers.org/en/v4.0.1/build/ol.js"></script> <script src="https://code.jquery.com/jquery-2.2.3.min.js"></script> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css"> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script> <style> #marker { width: 20px; height: 20px; border: 1px solid #088; border-radius: 10px; background-color: #0FF; opacity: 0.5; } #vienna { text-decoration: none; color: white; font-size: 11pt; font-weight: bold; text-shadow: black 0.1em 0.1em 0.2em; } .popover-content { min-width: 180px; } </style> </head> <body> <div id="map" class="map"></div> <div style="display: none;"> <!-- Clickable label for Vienna --> <a class="overlay" id="vienna" target="_blank" href="http://en.wikipedia.org/wiki/Vienna">Vienna</a> <div id="marker" title="Marker"></div> <!-- Popup --> <div id="popup" title="Welcome to OpenLayers"></div> </div> <script> var layer = new ol.layer.Tile({ source: new ol.source.OSM() }); var map = new ol.Map({ layers: [layer], target: 'map', view: new ol.View({ center: [0, 0], zoom: 2 }) }); var pos = ol.proj.fromLonLat([16.3725, 48.208889]); // Vienna marker var marker = new ol.Overlay({ position: pos, positioning: 'center-center', element: document.getElementById('marker'), stopEvent: false }); map.addOverlay(marker); // Vienna label var vienna = new ol.Overlay({ position: pos, element: document.getElementById('vienna') }); map.addOverlay(vienna); // Popup showing the position the user clicked var popup = new ol.Overlay({ element: document.getElementById('popup') }); map.addOverlay(popup); map.on('click', function(evt) { var element = popup.getElement(); var coordinate = evt.coordinate; var hdms = ol.coordinate.toStringHDMS(ol.proj.transform( coordinate, 'EPSG:3857', 'EPSG:4326')); $(element).popover('destroy'); popup.setPosition(coordinate); // the keys are quoted to prevent renaming in ADVANCED mode. $(element).popover({ 'placement': 'top', 'animation': false, 'html': true, 'content': '<p>The location you clicked was:</p><code>' + hdms + '</code>' }); $(element).popover('show'); }); </script> </body> </html>
OpenLayers示例代码:覆盖
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