ArcGIS JS API 将天地图设置为底图

//将天地图作为底图
var tiledLayer = new gisModules.WebTileLayer({
urlTemplate:
"http://{subDomain}.tianditu.gov.cn/DataServer?T=vec_w&x={col}&y={row}&l={level}&tk=63c28a6684f96067de4dcf4740422f32",
subDomains: ["t0", "t1", "t2", "t3","t4", "t5", "t6", "t7"],
});
var tiledLayer_poi = new gisModules.WebTileLayer({
urlTemplate:
"http://{subDomain}.tianditu.gov.cn/DataServer?T=cva_w&x={col}&y={row}&l={level}&tk=63c28a6684f96067de4dcf4740422f32",
subDomains: ["t0", "t1", "t2", "t3","t4", "t5", "t6", "t7"],
});
map = new Map({
basemap: {
baseLayers: [tiledLayer, tiledLayer_poi]
}
});