// 将原来鼠标左键拖动平移视图修改为鼠标右键拖动
viewer.scene.screenSpaceCameraController.rotateEventTypes = [Cesium.CameraEventType.RIGHT_DRAG];
// 将原来鼠标中键倾斜视图修改为鼠标左键拖动
viewer.scene.screenSpaceCameraController.tiltEventTypes = [Cesium.CameraEventType.LEFT_DRAG];
// 将原来鼠标右键拖动缩放修改为鼠标滚轮滚动
viewer.scene.screenSpaceCameraController.zoomEventTypes = [Cesium.CameraEventType.WHEEL];

参考API：
Cesium.ScreenSpaceCameraController
CameraEventType