Python创建的简单HTML / Javascript页面显示为空白
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内容图文
我只是关注有关Folium的tutorial,这是一个制作Web地图的Python库.本教程指出,只能使用以下三行Python代码创建网络地图：
import folium
map_osm = folium.Map(location=[45.5236, -122.6750])
map_osm.create_map(path='osm.html')
根据教程,osm.html的外观应为This.
但是,osm.html文件在我的浏览器上显示为空白网页.
如果有帮助,这是我的osm.html文件的源代码：
<!DOCTYPE html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.3/leaflet.css" />
<script src="//cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.3/leaflet.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap-theme.min.css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
<link href="//maxcdn.bootstrapcdn.com/font-awesome/4.1.0/css/font-awesome.min.css" rel="stylesheet">
<link rel="stylesheet" href="//rawgit.com/lvoogdt/Leaflet.awesome-markers/2.0/develop/dist/leaflet.awesome-markers.css">
<script src="//rawgithub.com/lvoogdt/Leaflet.awesome-markers/2.0/develop/dist/leaflet.awesome-markers.js"></script>
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/leaflet.markercluster/0.4.0/MarkerCluster.Default.css">
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/leaflet.markercluster/0.4.0/MarkerCluster.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/leaflet.markercluster/0.4.0/leaflet.markercluster-src.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/leaflet.markercluster/0.4.0/leaflet.markercluster.js"></script>
<link rel="stylesheet" href="//birdage.github.io/Leaflet.awesome-markers/dist/leaflet.awesome.rotate.css">
<style>
html, body {
width: 100%;
height: 100%;
margin: 0;
padding: 0;
}
#map {
position:absolute;
top:0;
bottom:0;
right:0;
left:0;
}
</style>
</head>
<body>
<div class="folium-map" id="folium_62f4bc18e7a1444b908b0413335a38b1" style="width: 960px; height: 500px"></div>
<script>
var base_tile = L.tileLayer('http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
maxZoom: 18,
minZoom: 1,
attribution: 'Map data (c) <a href="http://openstreetmap.org">OpenStreetMap</a> contributors'
});
var baseLayer = {
"Base Layer": base_tile
};
/*
addition of the wms layers
*/
/*
addition of the tile layers
*/
/*
list of layers to be added
*/
var layer_list = {
};
/*
Bounding box.
*/
var southWest = L.latLng(-90, -180),
northEast = L.latLng(90, 180),
bounds = L.latLngBounds(southWest, northEast);
/*
Creates the map and adds the selected layers
*/
var map = L.map('folium_62f4bc18e7a1444b908b0413335a38b1', {
center:[20, 40],
zoom: 10,
maxBounds: bounds,
layers: [base_tile]
});
L.control.layers(baseLayer, layer_list).addTo(map);
//cluster group
var clusteredmarkers = L.markerClusterGroup();
//section for adding clustered markers
//add the clustered markers to the group anyway
map.addLayer(clusteredmarkers);
</script>
</body>
解决方法:
在您发布的HTML中,所有< link>和< script>标签使用protocol relative URLs.
If the browser is viewing that current page in through HTTPS, then it’ll request that asset with the HTTPS protocol, otherwise it’ll typically request it with HTTP.
Of course, if you’re viewing the file locally, it’ll try to request the file with the
file://protocol.
我认为您是在本地查看文件的,因此浏览器试图在您的计算机上查找不存在的脚本/ CSS文件.只需添加http :,所有链接都将起作用.
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