// 创建一个自适应窗口的应用,可缩放视图、拖拽矩形 import { Leafer, Rect } from 'leafer-ui' const leafer = new Leafer({ view: window }) const rect = new Rect({ x: 100, y: 100, width: 200, height: 200, fill: '#32cd79', draggable: true }) leafer.add(rect)