主要参考了两个地方
https://superuser.com/questions/856617/how-do-i-recursively-download-a-directory-using-smbclient
http://technotize.blogspot.com/2011/12/copy-folder-with-ubuntu-smb-client.html
cd path_to_your_destination_directory // 打开需要拷贝到的目标目录
smbclient remote_address // 链接远程地址
cd dirctory_for_copy // 打开需要拷贝的目录
recurse
prompt OFF
mget *