#!/usr/bin/python# coding=utf-8import paramikoimport osdef sftp_download(sftp,localDir,remoteDir):    if remoteDir.find(".") == -1:#判断远程目录参数是否是目录，前提是远程的文件名中都包含扩展名，否则此方法不可用        for file in sftp.listdir(remoteDir):            remoteDirTmp=os.path.join(remoteDir,file)            localDirTmp=os.path.join(localDir,file)            sftp_download(sftp,localDirTmp,remoteDirTmp)    else:        localPath=localDir.rpartition("/")[0]        if not os.path.exists(localPath):            os.makedirs(localPath)        print("download file:",remoteDir)        try:            sftp.get(remoteDir,localDir)        except Exception as e:            print('download exception:',e)        if __name__ == '__main__':    host = '192.168.149.128'#sftp主机     port = 22 #端口    username = 'sftp' #sftp用户名    password = '123456'      localDir = '/data/test'#本地文件或目录    remoteDir = '/'#远程文件或目录    sf = paramiko.Transport((host,port))    sf.connect(username = username,password = password)    sftp = paramiko.SFTPClient.from_transport(sf)    sftp_download(sftp,localDir,remoteDir)    sf.close()