const viewer = new Cesium.Viewer('cesiumContainer', {
    
    
    // ...
    navigationHelpButton: false,
    sceneModePicker: false,
    scene3DOnly: true,
});

// 创建指北针小部件并将其添加到地图
viewer.extend(Cesium.viewerCesiumNavigationMixin, {
    
    
    defaultResetView: Cesium.Cartographic.fromDegrees(0, 0, 15000000),
    enableCompass: true, // 启用指北针
    enableZoomControls: true, // 启用缩放
});