cesium(实体)

var viewer = new Cesium.Viewer(‘cesiumContainer‘);

 var redBox = viewer.entities.add({
        id:‘Box‘,
        position : Cesium.Cartesian3.fromDegrees(108, 34,0),
        box : {
            dimensions : new Cesium.Cartesian3(4000, 3000, 5000),
            material : Cesium.Color.RED.withAlpha(0.5),
            outline : true,
            outlineColor : Cesium.Color.BLACK
        }
    })

var getByIdBox = viewer.entities.getById(‘Box‘);
    console.log(getByIdBox)

 //方法一(针对性删除某一个)
 viewer.entities.remove(redBox);
        
 //方法二（通过id删除）
  viewer.entities.remove(getByIdBox);

 //方法三（删除所有实体）
 viewer.entities.removeAll();