通过Entity添加形状 先来看一个添加立方体的例子 var viewer = new Cesium.Viewer('cesiumContainer'); var redBox = **viewer.entities.add**({ name : 'Red box with black outline', position: Cesium.Cartesian3.fromDegrees(-107.0, 40.0, 300000.0), box : { dimensions : new Cesium