paramiko的使用

 import paramiko
 import sys

 user = "root"
 pwd = ""

 # 上传文件
 def sftp_upload_file(server_path, local_path):
     try:
         t = paramiko.Transport((ip, 22))
         t.connect(username=user, password=pwd)
         sftp = paramiko.SFTPClient.from_transport(t)
         sftp.put(local_path, server_path)
         t.close()
     except Exception as  e:
         print(e)

 # 下载文件
 def sftp_down_file(server_path, local_path):
     try:
         t = paramiko.Transport((ip, 22))
         t.connect(username=user, password=pwd)
         sftp = paramiko.SFTPClient.from_transport(t)
         sftp.get(server_path, local_path)
         t.close()
     except Exception as e:
         print(e)

 # 连接
 def ssh_conn(ip, cmd):

     ssh = paramiko.SSHClient()
     # 允许连接不在known_hosts文件上的主机
     ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
     # 连接服务器
     ssh.connect(ip, 22, user, pwd)
     # 执行命令
     stdin, stdout, stderr = ssh.exec_command(cmd)
     # 获取结果
     print(10 * "-", 'start', 10 * "-")
     for line in stdout:
         res=(line.strip('\n').split())
         print(res)
     else:
         print(stdout)
     print(10 * "-", 'end', 10 * "-")

 def menu():
     print('''
     * - - - - - - - - - - - - - - - - - *
                    菜单
                 1>上传文件
                 2>下载文件
                 3>执行命令
                 4>退出
     * - - - - - - - - - - - - - - - - - *
     ''')

     choice = int(input('请输入你要执行的操作：\n'))
     if choice == 1:
         src = input('请输入原路径：\n')
         dest = input('请输入目标路径：\n')
         sftp_upload_file(src, dest)
     elif choice == 2:
         src = input('请输入原路径：\n')
         dest = input('请输入目标路径：\n')
         sftp_down_file(src, dest)
     elif choice == 3:
         while True:
             cmd = input('请输入要执行的命令：\n')
             if cmd == 'eixt':
                 sys.exit()
             ssh_conn(ip, cmd)
     else:
         sys.exit()

 if __name__ == '__main__':
     ip = input('请输入目标ip：\n')
     while True:
         menu()