你好:
获取数据源和数据集可参考官网示例:
https://iclient.supermap.io/examples/leaflet/editor.html#02_datasourceService
https://iclient.supermap.io/examples/leaflet/editor.html#02_datasetService
希望可以帮助到您!
图片,上面是数据集,里面有个featurerange