var viewer = new Cesium.Viewer('cesiumContainer', {
animation: false,
homeButton: false,
fullscreenButton: false,
geocoder: false,
sceneModePicker: false,
baseLayerPicker: false,
timeline: false,
infoBox: false,
navigationHelpButton: false,
selectionIndicator: false
});
animation: false,隐藏时钟
homeButton: false,
隐藏主页
fullscreenButton: false,
隐藏全屏
geocoder: false,
隐藏搜索
sceneModePicker: false,
隐藏二三维切换
baseLayerPicker: false,
隐藏图层管理
timeline: false,
隐藏时间轴
infoBox: false,
隐藏点击entity信息框
navigationHelpButton: false,
隐藏帮助按钮
selectionIndicator: false，
隐藏点击entity绿框
