Zookeeper节点的基本操作方法包括：
创建节点：create(path, data, acl, createMode)读取节点数据：getData(path, watch, stat)设置节点数据：setData(path, data, version)删除节点：delete(path, version)检查节点是否存在：exists(path, watch)获取子节点列表：getChildren(path, watch)添加监听器：addWatch(path, listener)移除监听器：removeWatch(path, listener)
