arcgis api for javascript 如何加载天地图的服务?

搜索：arcgis js api 天地图
供参考：
http://www.cnblogs.com/lyqf365/p/3287293.html

 //获取天地图影像图
    _getTdtYX(){
        let TdtImgMap = new this.Basemap({
            baseLayers:[
                this.WebTileLayer({
                    urlTemplate: "http://{subDomain}.tianditu.com/DataServer?T=img_w&x={col}&y={row}&l={level}",
                    subDomains: ["t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7"]
                })],
            referenceLayers:[
                this.WebTileLayer({
                    urlTemplate: "http://{subDomain}.tianditu.com/DataServer?T=cia_w&x={col}&y={row}&l={level}",
                    subDomains: ["t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7"]
                })],
            title: "天地图影像图",
            // id: "tianditu",
            //图片地址
            thumbnailUrl: "http://www.tianditu.com/upload ... ot%3B
        });
        return TdtImgMap
    }

详见以下地址
https://www.cnblogs.com/gistrd/p/9897363.html