目录标题
关于leaflet
Leaflet是用于适用于移动端交互地图的主要的开源JavaScript库。JS库的大小为38k左右,但是拥有大部分开发者需要的全部地图功能。
Leaflet保持着简单、性能和实用性的设计思想。它可以在所有主要的桌面和移动端平台上高效的运转,可以扩展插件,它有一个漂亮的、易用的和文档清晰的API,还有一个简单、易读的源代码。
官网地址:https://leafletjs.com/reference.html
经纬度查询地址:http://jingweidu.757dy.com/
中文API文档:https://www.cnblogs.com/shitao/p/3566598.html
开始使用
第一种方法:
点击官网的DownLoad按钮,跳转到下载页面,点击对应包下载。
第二种方法:
在html中直接引入js、css
<link rel="stylesheet" href="https://unpkg.com/[email protected]/dist/leaflet.css"/>
<script src="https://unpkg.com/[email protected]/dist/leaflet.js"></script>
第三种方法:
使用npm
npm install leaflet
建立第一个Map
详细配置参数见上面中文文档API链接
<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Document</title><link rel="stylesheet" href="https://unpkg.com/[email protected]/dist/leaflet.css"/><script src="https://unpkg.com/[email protected]/dist/leaflet.js"></script></head><style>*{
box-sizing: border-box;margin: 0px;padding: 0px;}
#mapid {height: 100vh;}</style><body><div id="mapid"></div></body><script>//[31.82658, 117.23344], 13对应纬度、经度、地图的缩放.var mymap =L.map('mapid').setView([31.82658,117.23344],13);L.tileLayer('http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',{maxZoom:18//最大缩放}).addTo(mymap);</script></html>
更多地图类型(http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png)可以查看https://openwhatevermap.xyz/#3/28.77/47.99
点击喜欢的地图会展示弹窗,复制粘贴即可。
加载高德矢量地图
var mymap =L.map('mapid').setView([31.82658,117.23344],13);L.tileLayer('http://wprd04.is.autonavi.com/appmaptile?lang=zh_cn&size=1&style=7&x={x}&y={y}&z={z}',{maxZoom:18}).addTo(mymap);
添加图形或标注点
配置参数见官网文档:https://leafletjs.com/reference.html#marker
标注点
L.marker([31.82658,117.23344]).addTo(mymap);
圆形
配置参数见官网文档:https://leafletjs.com/reference.html#path
var circle =L.circle([31.82658,117.23344],{color:'red',fillColor:'#f03',fillOpacity:0.5,radius:500}).addTo(mymap);
多边形
var polygon =L.polygon([[31.82127,117.21837],[31.82317,117.27629],[31.85082,117.25333]]).addTo(mymap);
矩形范围
详细配置参考官网文档:https://leafletjs.com/reference.html#rectangle
// define rectangle geographical boundsvar bounds =[[54.559322,-5.767822],[56.1210604,-3.021240]];// create an orange rectangleL.rectangle(bounds,{color:"#ff7800",weight:1}).addTo(map);// zoom the map to the rectangle bounds
map.fitBounds(bounds);
圆形范围
详细配置参考官网文档:https://leafletjs.com/reference.html#circle
L.circle([31.85082,117.25333],{radius:1000}).addTo(mymap);
点击展示popup弹窗
详细配置参数见官网文档:https://leafletjs.com/reference.html#popup
functiononMapClick(e){L.popup().setLatLng(e.latlng).setContent("You clicked the map at "+e.latlng.toString()).openOn(mymap)}
mymap.on('click',onMapClick)
标注点添加弹窗
const marker =L.marker([31.82658,117.23344]).addTo(mymap);
marker.bindPopup("标注点").openPopup();
var bj =L.marker([39.92,116.46]).bindPopup('这里是北京');
sh =L.marker([31.213,121.445]).bindPopup('这里是上海');
gz =L.marker([23.16,113.23]).bindPopup('这里是广州');var cities =L.layerGroup([bj, sh, gz]).addTo(mymap);
Tooltip提示
详细配置参数见官网文档:https://leafletjs.com/reference.html#tooltip
const marker =L.marker([31.82658,117.23344]).addTo(mymap);
marker.bindTooltip("my tooltip text").openTooltip();
添加地图右下角标识
详细属性参考官网文档:https://leafletjs.com/reference.html#tilelayer
attribution属性添加地图右下角标识
var mymap =L.map('mapid').setView([31.82658,117.23344],13);L.tileLayer('http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',{maxZoom:18,foo:'bar',attribution:'© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'}).addTo(mymap);
加载多个地图类型
var baseLayers ={'Sputnik':L.tileLayer('https://{s}.tile.thunderforest.com/spinal-map/{z}/{x}/{y}{r}.png',{maxZoom:18}),"CartoDB Positron":L.tileLayer('http://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png',{maxZoom:18}),"OSM":L.tileLayer('http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',{maxZoom:18}).addTo(mymap),"OpenTopoMap":L.tileLayer('https://{s}.tile.opentopomap.org/{z}/{x}/{y}.png',{maxZoom:18}),}//切换图层工具var layerControl =L.control.layers(baseLayers,{},{position:'topleft',collapsed:true}).addTo(mymap);
地图上加载和显示单个图像
详细参数参考官网文档:https://leafletjs.com/reference.html#imageoverlay
var imageUrl ='https://maps.lib.utexas.edu/maps/historical/newark_nj_1922.jpg',
imageBounds =[[40.712216,-74.22655],[40.773941,-74.12544]];L.imageOverlay(imageUrl, imageBounds).addTo(mymap);
加载视频影像
详细参数参考官网文档:https://leafletjs.com/reference.html#videooverlay
var videoUrl ='https://www.mapbox.com/bites/00188/patricia_nasa.webm',
videoBounds =[[32,-130],[13,-100]];L.videoOverlay(videoUrl, videoBounds).addTo(mymap);
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