arcgis javascript api4.x加载天地图web墨卡托(wkid:3857)坐标系
效果:示例代码:加载天地图html,body,#viewDiv{padding:0;margin:0;height:100%;width:100%;}require(["esri/Map","esri/views/MapView","esri/layers/WebTileLayer","esri/layers/support/TileInfo","esri/Basemap",],function(