python连接远程ftp服务器并列出目录下文件的方法

import pysftp
srv = pysftp.Connection(host="your_FTP_server", 
username="your_username",password="your_password")
# Get the directory and file listing
data = srv.listdir()
# Closes the connection
srv.close()
# Prints out the directories and files, line by line
for i in data:
  print i