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<p>我实现了一个带有地理定位功能和按钮的网站。在</p>
<p>这个网页在QwebEngineView(OSM地图)中显示得很好。
网页已加载</p>
<pre><code>def __init__(self, parent=None):
super(MainGUI, self).__init__(parent)
self.ui = uic.loadUi("GPS.ui", self)
self.ui.w3View.load(QtCore.QUrl('file:///Map.html'))
</code></pre>
<p>所有的本地OpenLayers按钮(放大和缩小)工作正常。在</p>
<p>我创建了一个新的自定义按钮来在OpenLayers地图上显示我的地理位置。在</p>
<p>这是我用来定位我的函数:</p>
^{pr2}$
<p>我在<a href="http://openlayers.org/en/latest/examples/custom-controls.html?q=custom" rel="nofollow noreferrer">here</a>的帮助下创建了按钮。在</p>
<p>整个网页如下:</p>
<pre><code><!DOCTYPE html>
<html>
<head>
<title>Accessible Map</title>
<link rel="stylesheet" href="https://openlayers.org/en/v4.2.0/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/v4.2.0/build/ol-debug.js"></script>
<style>
a.skiplink {
position: absolute;
clip: rect(1px, 1px, 1px, 1px);
padding: 0;
border: 0;
height: 1px;
width: 1px;
overflow: hidden;
}
a.skiplink:focus {
clip: auto;
height: auto;
width: auto;
background-color: #fff;
padding: 0.3em;
}
#map:focus {
outline: #4A74A8 solid 0.15em;
}
map{
max-width: 760 px;
max-height: 50 px;
}
.geoButton {
top: 80px;
left: .5em;
}
</style>
</head>
<body>
<div id="map" class="map" tabindex="0"></div>
<script>
window.app = {};
var app = window.app;
view = new ol.View({
center: [0, 0],
zoom: 2
});
app.getLocation = function(opt_options) {
var options = opt_options || {};
var geoButton = document.createElement('button');
geoButton.innerHTML = 'L';
var handleGeolocation = function() {
/* var isMobile = {
Android: function () {
return navigator.userAgent.match(/Android/i);
},
BlackBerry: function () {
return navigator.userAgent.match(/BlackBerry/i);
},
iOS: function () {
return navigator.userAgent.match(/iPhone|iPod|iPad/i);
},
Opera: function () {
return navigator.userAgent.match(/Opera Mini/i);
},
Windows: function () {
return navigator.userAgent.match(/IEMobile/i);
},
any: function () {
return ((isMobile.Android() || isMobile.BlackBerry() || isMobile.iOS() || isMobile.Opera() || isMobile.Windows()));
}
};
if (isMobile.any()){
geolocation.setTrackingOptions(enableHighAccuracy );
} */
var coordinates;
var geolocation = new ol.Geolocation({
projection: view.getProjection(),
tracking: true
});
// handle geolocation error.
geolocation.on('error', function (error) {
var info = document.getElementById('info');
info.innerHTML = error.message;
info.style.display = '';
});
var accuracyFeature = new ol.Feature();
geolocation.on('change:accuracyGeometry', function () {
accuracyFeature.setGeometry(geolocation.getAccuracyGeometry());
});
var positionFeature = new ol.Feature();
positionFeature.setStyle(new ol.style.Style({
image: new ol.style.Circle({
radius: 6,
fill: new ol.style.Fill({
color: '#3399CC'
}),
stroke: new ol.style.Stroke({
color: '#fff',
width: 2
})
})
}));
geolocation.once('change:position', function () {
coordinates = geolocation.getPosition();
positionFeature.setGeometry(coordinates ?
new ol.geom.Point(coordinates) : null);
map.getView().setCenter(coordinates);
map.getView().setZoom(17);
});
new ol.layer.Vector({
map: map,
source: new ol.source.Vector({
features: [accuracyFeature, positionFeature]
})
});
}
geoButton.addEventListener('click', handleGeolocation, false);
geoButton.addEventListener('touchstart', handleGeolocation, false);
var element = document.createElement('div');
element.className = 'ol-unselectable ol-control geoButton';
element.<a href="https://www.cnpython.com/list/append" class="inner-link">append</a>Child(geoButton);
ol.control.Control.call(this, {
element: element,
target: options.target
});
};
ol.inherits(app.getLocation, ol.control.Control);
//Standard Initialisierung
// Geolocation function
var map = new ol.Map({
layers: [
new ol.layer.Tile({
source: new ol.source.OSM()
})
],
target: 'map',
controls: ol.control.defaults({
attributionOptions: /** @type {olx.control.AttributionOptions} */ ({
collapsible: false
})
}).extend([new app.getLocation()]),
view: view
});
//Display Input Datastream
</script>
</body>
</html>
</code></pre>
<p>在一个普通的浏览器里,它运行得很好,但在我的PyQt应用程序中就不行了。
单击“自定义”按钮后,不会发生任何操作。在</p>
<p>我做错了什么或者不可能做什么?在</p>