leaflet学习（三）----交互事件，弹出点的坐标
2020-01-01 本文已影响0人
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<!--引入css-->
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.6.0/dist/leaflet.css"
integrity="sha512-xwE/Az9zrjBIphAcBb3F6JVqxf46+CDLwfLMHloNu6KEQCAWi6HcDUbeOfBIptF7tcCzusKFjFw2yuvEpDL9wQ=="
crossorigin=""/>
<style>
html,body{
padding:0;
margin:0;
}
#mapid { height: 100vh; }
</style>
<body>
<div id="mapid"></div>
</body>
<!--引入js-->
<script src="https://unpkg.com/leaflet@1.6.0/dist/leaflet.js"
integrity="sha512-gZwIG9x3wUXg2hdXF6+rVkLF/0Vi9U8D2Ntg4Ga5I5BZpVkVxlJWbSQtXPSiUTtC0TjtGOmxa1AJPuV0CPthew=="
crossorigin=""></script>
<script>
// setView 设定视图 设定地图（设定其地理中心和缩放）
var mymap = L.map('mapid').setView([51.505, -0.09], 13);
// L.TileLayer()：通过给定URL模板和具有选项的对象来实例化一个切片图层
L.tileLayer('http://{s}.tile.osm.org/{z}/{x}/{y}.png', {
//用来进行属性控制的字符串，描述了图层数据 就是右下角显示的字符串
attribution: '© <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
}).addTo(mymap);
// 创立marker
var marker = L.marker([51.5, -0.09]).addTo(mymap);
// 创立circle
var circle = L.circle([51.508, -0.11], {
color: 'red',
fillColor: '#f03',
fillOpacity: 0.5,
radius: 500
}).addTo(mymap);
// 创建 polygon
var polygon = L.polygon([
[51.509, -0.08],
[51.503, -0.06],
[51.51, -0.047]
]).addTo(mymap);
// 加载弹出窗口
marker.bindPopup("<b>Hello world!</b><br>I am a popup.").openPopup();
// 交互事件，弹出点的坐标
// function onMapClick(e) {
// alert("You clicked the map at " + e.latlng);
// }
//
// mymap.on('click', onMapClick);
// 以及气泡的方式弹出坐标
var popup = L.popup();
function onMapClick(e) {
popup
.setLatLng(e.latlng)
.setContent("You clicked the map at " + e.latlng.toString())
.openOn(mymap);
}
mymap.on('click', onMapClick);
</script>
</html>
