效果
初始
点击后
参考代码
<!DOCTYPE html>
<html>
<head>
<title>Layer group example</title>
<script src="js/jquery-1.11.1.min.js"></script>
<link rel="stylesheet" href="css/bootstrap.min.css">
<script src="js/bootstrap.min.js"></script>
<style>
#layertree li > span {
cursor: pointer;
}
</style>
<style>
ul,ol {
list-style: none
}
</style>
</head>
<body>
<div id="layertree" class="span6">
<span>图层列表</span>
<ul class=‘layer-list‘>
<li><input type="checkbox"><span>Food insecurity layer</span>
<fieldset>
<input class="opacity" type="range" min="0" max="1" step="0.01"/>
</fieldset>
</li>
<li><input type="checkbox"><span>World borders layer</span>
<fieldset>
<input class="opacity" type="range" min="0" max="1" step="0.01"/>
</fieldset>
</li>
</ul>
</div>
<script>
$(‘#layertree li > span‘).click(function() {
$(this).siblings(‘fieldset‘).toggle();
}).siblings(‘fieldset‘).hide();
</script>
</body>
</html>
其中：
1. <html>标签<ul>表示无序列表；<ol>比奥斯有序列表
2. 以下格式，表示每一小项的前边没有默认的黑点
ul,ol {
list-style: none
}
实例
<!DOCTYPE html>
<html>
<head>
<title>Layer group example</title>
<script src="js/jquery-1.11.1.min.js"></script>
<link rel="stylesheet" href="css/bootstrap.min.css">
<script src="js/bootstrap.min.js"></script>
<link rel="stylesheet" href="css/ol.css" type="text/css">
<script src="js/ol.js"></script>
<style>
#layertree li > span {
cursor: pointer;
}
</style>
<style>
ol,ul{
list-style:none
}
</style>
</head>
<body>
<div class="row-fluid">
<div id="map" class="map"></div>
<div id="layertree" >
<span>图层列表</span>
<ul> <!--无序列表-->
<li><span>Food insecurity layer</span>
<fieldset id="layer0">
<input class="visible" type="checkbox"/>
<input class="opacity" type="range" min="0" max="1" step="0.01"/>
</fieldset>
</li>
<li><span>World borders layer</span>
<fieldset id="layer1">
<input class="visible" type="checkbox"/>
<input class="opacity" type="range" min="0" max="1" step="0.01"/>
</fieldset>
</li>
</ul>
</div>
</div>
<script>
var map = new ol.Map({
layers: [
new ol.layer.Tile({
source: new ol.source.MapQuest({layer: ‘sat‘})
}),
new ol.layer.Group({
layers: [
new ol.layer.Tile({
source: new ol.source.TileJSON({
url: ‘http://api.tiles.mapbox.com/v3/‘ +
‘mapbox.20110804-hoa-foodinsecurity-3month.jsonp‘,
crossOrigin: ‘anonymous‘
})
}),
new ol.layer.Tile({
source: new ol.source.TileJSON({
url: ‘http://api.tiles.mapbox.com/v3/‘ +
‘mapbox.world-borders-light.jsonp‘,
crossOrigin: ‘anonymous‘
})
})
]
})
],
target: ‘map‘,
view: new ol.View({
center: ol.proj.fromLonLat([37.40570, 8.81566]),
zoom: 4
})
});
function bindInputs(layerid, layer) {
var visibilityInput = $(layerid + ‘ input.visible‘);
visibilityInput.on(‘change‘, function() {
layer.setVisible(this.checked);
});
visibilityInput.prop(‘checked‘, layer.getVisible());
$.each([‘opacity‘],
function(i, v) {
var input = $(layerid + ‘ input.‘ + v);
input.on(‘input change‘, function() {
layer.set(v, parseFloat(this.value));
});
input.val(String(layer.get(v)));
}
);
}
map.getLayers().forEach(function(layer, i) {
bindInputs(‘#layer‘ + i, layer);
if (layer instanceof ol.layer.Group) {
layer.getLayers().forEach(function(sublayer, j) {
bindInputs(‘#layer‘ + i + j, sublayer);
});
}
});
$(‘#layertree li > span‘).click(function() {
$(this).siblings(‘fieldset‘).toggle();
}).siblings(‘fieldset‘).hide();
</script>
</body>
</html>
时间： 2024-08-07 14:48:57