<!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> var grayscaleLayer= L.tileLayer('http://map.geoq.cn/ArcGIS/rest/services/ChinaOnlineCommunity/MapServer/tile/{z}/{y}/{x}', {id: 'map11',maxZoom: 16,minZoom: 4}); var map = L.map('map', { minZoom: 5, maxZoom: 12, center: [39.73, -104.99], zoom: 10, 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.addLayer(grayscaleLayer); var imageBounds = [[0, 50], [61.148, 180]];//图片的经纬度范围，西南角点,东北角点(纬度、经度) var imageUrl='url';//图片的地址 var imageLayer =L.imageOverlay(imageUrl, imageBounds,{opacity:0.8});//opacity是透明度 map.addLayer(imageLayer); //如果imageLayer已经创建，后续只需要切换url即可 if(imageLayer!=null) { imageLayer.setUrl(imageUrl); } </script> </body> </html>