delete 删除节点 Usage (jaina) [/] delete -[vR] [path] (jaina) [/] delete /leaf # 对删除的节点版本有要求 (jaina) [/] delete -v 1 /leaf # 递归删除 (jaina) [/] delete -R /very/deep/path 查看帮助 (jaina) [/] help delete (jaina) [/] delete --help