• leaflet 基本案例-图层控件:基础图层+业务图层


    可执行示例一个,如下:
    <!DOCTYPE html>
    <html>
    <head>
    
        <title>Layers Control Tutorial - Leaflet</title>
    
        <meta charset="utf-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
    
        <link rel="shortcut icon" type="image/x-icon" href="docs/images/favicon.ico" />
    
        <link rel="stylesheet" href="https://unpkg.com/leaflet@1.6.0/dist/leaflet.css" integrity="sha512-xwE/Az9zrjBIphAcBb3F6JVqxf46+CDLwfLMHloNu6KEQCAWi6HcDUbeOfBIptF7tcCzusKFjFw2yuvEpDL9wQ==" crossorigin=""/>
        <script src="https://unpkg.com/leaflet@1.6.0/dist/leaflet.js" integrity="sha512-gZwIG9x3wUXg2hdXF6+rVkLF/0Vi9U8D2Ntg4Ga5I5BZpVkVxlJWbSQtXPSiUTtC0TjtGOmxa1AJPuV0CPthew==" crossorigin=""></script>
    
    
        <style>
            html, body {
                height: 100%;
                margin: 0;
            }
            #map {
                width: 1000px;
                height: 700px;
            }
        </style>
    
    
    </head>
    <body>
    
    <div id='map'></div>
    
    <script>
        //地图marker数组
        var markers=[];
    
        var marker1 =L.marker([39.61, -105.02]).bindPopup('This is Littleton, CO.');
        var marker2 =L.marker([39.74, -104.99]).bindPopup('This is Denver, CO.');
        var marker3 =L.marker([39.73, -104.8]).bindPopup('This is Aurora, CO.');
        var marker4 =L.marker([39.77, -105.23]).bindPopup('This is Golden, CO.');
    
        markers.push(marker1);
        markers.push(marker2);
        markers.push(marker3);
        markers.push(marker4);
    
        //利用marker数组构建marker图层
        var citiesLayer = L.layerGroup(markers);
    
        //利用切片地图服务地址,创建图层
        var grayscaleLayer= L.tileLayer('http://map.geoq.cn/ArcGIS/rest/services/ChinaOnlineCommunity/MapServer/tile/{z}/{y}/{x}',
            {id: 'map11'});
        var streetsLayer  = L.tileLayer('http://map.geoq.cn/ArcGIS/rest/services/ChinaOnlineStreetPurplishBlue/MapServer/tile/{z}/{y}/{x}',
            {id: 'map12'});
    
        //1、基础地图
        var baseLayers = {
            "Grayscale": grayscaleLayer,
            "Streets": streetsLayer
        };
    
        //1、业务图层
        var overLayers = {
            "Cities": citiesLayer
        };
    
        var map = L.map('map', {
            minZoom: 5,
            maxZoom: 12,
            center: [39.73, -104.99],
            zoom: 10,
            layers: [grayscaleLayer, citiesLayer],//默认显示的图层
            //zoomDelta: 0.5,//点击+-按钮的放缩刻度尺度,默认值1
            //zoomSnap: 0.5,//地图能放缩的zoom的最小刻度尺度,默认值1
            fullscreenControl: false,//全屏控件,不显示
            zoomControl: false,//放大缩小控件,不显示
            attributionControl: false//右下角属性控件,不显示
        });
    
        //map的图层控件
        var layerControl=L.control.layers(baseLayers, overLayers);
        map.addControl(layerControl);
    
    
        //单个图层,也可以通过,map,addLayer()来添加
    
    
        //map.setView([36.045, 103.83333], 15);//切换地图视野范围
        //和setView类似,但是flyTo会带一个平滑的动画
        //map.flyTo([36.045, 103.83333], 15,{ animate: true, duration: 0.2 });
        //map.setZoom(0);
    
    </script>
    
    
    
    </body>
    </html>

     

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  • 原文地址:https://www.cnblogs.com/tiandi/p/12321139.html
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