【? Code First ?】
Part 1：HTML
<html> <head> <meta charset="utf-8"> <meta name="viewport" content="initial-scale=1, maximum-scale=1, user-scalable=no"> <title>Lux's Map</title> <link rel="stylesheet" href="css/css01.css" /> <link rel="stylesheet" href="https://js.arcgis.com/4.10/esri/css/main.css"> <link rel="stylesheet" href="css/css_menu.css" /> <script src="https://js.arcgis.com/4.10/"></script> <script src="js/js01.js"></script> </head> <body> <!--******************************************************侧栏切换菜单*****************************************************************--> <ul> <li> <a class="entypo-star" href="demo01.html"></a> <span>ChangeBaseMap</span> </li> <li> <a class="entypo-newspaper" href="demo02.html"></a> <span>AddLayers</span> </li> <li> <a class="entypo-link" href="demo03.html"></a> <span>LinkMap</span> </li> <li> <a class="entypo-menu" href="demo04.html"></a> <span>LayerSwipe</span> </li> </ul> <!--******************************************************地图显示DIV*****************************************************************--> <div id="viewDiv01"></div> <div id="viewDiv02"></div> <div id="viewDiv03"></div> <div id="viewDiv04"></div> <div id="viewDiv05"></div> <!--******************************************************地图切换DIV*****************************************************************--> <div id="popdiv_write"> <div id="write_output"> <div id="basemap01" class="basemap" ><img src="img/gray.png"/></div> <div id="basemap02" class="basemap" ><img src="img/hybrid.jpg"/></div> <div id="basemap03" class="basemap" ><img src="img/national_geographic.jpg"/></div> <div id="basemap04" class="basemap" ><img src="img/osm.jpg"/></div> <div id="basemap05" class="basemap" ><img src="img/streets.png"/></div> </div> </div> </body> </html>Part 2：CSS
html, body, #viewDiv01 { padding: 0; margin: 0; height: 100%; width: 100%; } #popdiv_write{ position: absolute; top: 10px; right: 10px; width: 140px; height: 93%; padding: 5px; background-size: 100%; background-color: #C0C0C0; opacity: 0.8; z-index: 9; border: 3px dashed #000000; border-radius:5px ; } .basemap{ margin: 10px; z-index: 20; }Part 3：Javascript
require([ "esri/Map", "esri/views/MapView" ], function(Map, MapView) { //**********************************************功能1：切换地图的底图********************************************************** var map01 = new Map({ basemap: "streets" }); var view = new MapView({ container: "viewDiv01", map: map01, center: [-118.71511,34.09042], zoom: 11 }); document.getElementById("basemap01").addEventListener("click",function(){ map01.basemap= "gray"; }); document.getElementById("basemap02").addEventListener("click",function(){ map01.basemap= "hybrid"; }); document.getElementById("basemap03").addEventListener("click",function(){ map01.basemap= "national-geographic"; }); document.getElementById("basemap04").addEventListener("click",function(){ map01.basemap= "osm"; }); document.getElementById("basemap05").addEventListener("click",function(){ map01.basemap= "streets"; }); //**********************************************功能：显示地图的比例尺，鼠标等坐标点等********************************************************** //*** 添加DIV用于显示坐标等信息 ***// var coordsWidget = document.createElement("div"); coordsWidget.id = "coordsWidget"; coordsWidget.className = "esri-widget esri-component"; coordsWidget.style.padding = "7px 15px 5px"; view.ui.add(coordsWidget, "bottom-left"); //***显示经纬度、比例尺大小和尺度***// function showCoordinates(pt) { var coords = "Lat/Lon " + pt.latitude.toFixed(3) + " " + pt.longitude.toFixed(3) + " | Scale 1:" + Math.round(view.scale * 1) / 1 + " | Zoom " + view.zoom; coordsWidget.innerHTML = coords; } //*** 添加事件显示中心的坐标（在视图停止移动之后） ***// view.watch(["stationary"], function() { showCoordinates(view.center); }); //*** 添加显示鼠标的坐标点***// view.on(["pointer-down","pointer-move"], function(evt) { showCoordinates(view.toMap({ x: evt.x, y: evt.y })); }); });Part 4：Menu（CSS）
@import url(http://weloveiconfonts.com/api/?family=entypo); /* entypo */ [class*="entypo-"]:before { font-family: 'entypo', sans-serif; } @-webkit-keyframes flip { 0%{-webkit-transform:rotateY(0deg); opacity:1;} 100%{-webkit-transform:rotateY(95deg); opacity:0;} } @-moz-keyframes flip { 0%{-webkit-transform:rotateY(0deg); opacity:1;} 100%{-webkit-transform:rotateY(95deg); opacity:0;} } @-o-keyframes flip { 0%{-webkit-transform:rotateY(0deg); opacity:1;} 100%{-webkit-transform:rotateY(95deg); opacity:0;} } @keyframes flip { 0%{-webkit-transform:rotateY(0deg); opacity:1;} 100%{-webkit-transform:rotateY(95deg); opacity:0;} } body { background:url(forestblur.jpg) no-repeat; background-size:cover 100%; } h2 { color: #555; text-align: center; } ul { position:absolute; top: 45px; left: 15px; margin:50px auto; padding:0; z-index: 9; width:200px; height:220px; list-style:none; -webkit-perspective:1000; -moz-perspective:1000; -o-perspective:1000; perspective:1000; } li { margin:2px 0; padding:0; } li a { display:block; height:18px; width:20px; background:rgba(155,155,155,0.5); color:#fff; padding:8px 6px; text-decoration:none; text-align:center; } li span { width:154px; float:left; text-align:center; background:rgba(155,155,155,0.5); color:#fff; margin:-34px 34px; padding:8px 6px; transform-origin:0%; opacity:0; -webkit-transform:rotateY(95deg); -webkit-transition:.5s; -moz-transition:.5s; -o-transition:.5s; transition:.5s; -webkit-animation: flip 2s; -moz-animation: flip 2s; -o-animation: flip 2s; animation: flip 2s; } span[class='menu']{-webkit-animation:none;} li:nth-child(2) span { -webkit-animation-delay:.5s; -moz-animation-delay:.5s; -o-animation-delay:.5s; animation-delay:.5s;} li:nth-child(3) span { -webkit-animation-delay:.4s; -moz-animation-delay:.4s; -o-animation-delay:.4s; animation-delay:.4s;} li:nth-child(4) span { -webkit-animation-delay:.3s; -moz-animation-delay:.3s; -o-animation-delay:.3s; animation-delay:.3s;} li:nth-child(5) span { -webkit-animation-delay:.2s; -moz-animation-delay:.2s; -o-animation-delay:.2s; animation-delay:.2s;} li:nth-child(6) span { -webkit-animation-delay:.1s; -moz-animation-delay:.1s; -o-animation-delay:.1s; animation-delay:.1s;} li a:hover ~ span { opacity:1; -webkit-transform:rotateY(0deg); -moz-transform:rotateY(0deg); -o-transform:rotateY(0deg); transform:rotateY(0deg); -webkit-transition:.5s; -moz-transition:.5s; -o-transition:.5s; transition:.5s; }这个是功能的全部代码，我的项目界面是这样嘚： ····其中Demo01是该示例代码，对应css01；界面中有设置一个功能切换菜单Menu（对应样式为CSS_Menu）；img为切换底图时界面上显示的图片引用；
功能实现界面如下： 代码下载地址：链接：WebGIS_Demo_X4 提取码：uy3p
实例中主要思路：点击图片，响应对应click事件——切换底图样式到“gray”
Select BaseMap 该官网上示例代码中，切换使用的是已经写好的切换的类似插件的模块，直接添加引用便可加入到界面.
