#coding=utf-8
importparamikoclassSSHConnection(object):def __init__(self, host, port, username, password):
self._host=host
self._port=port
self._username=username
self._password=password
self._transport=None
self._sftp=None
self._client=None
self._connect()#建立连接
def_connect(self):
transport=paramiko.Transport((self._host, self._port))
transport.connect(username=self._username, password=self._password)
self._transport=transport#下载
defdownload(self, remotepath, localpath):if self._sftp isNone:
self._sftp=paramiko.SFTPClient.from_transport(self._transport)
self._sftp.get(remotepath, localpath)#上传
defput(self, localpath, remotepath):if self._sftp isNone:
self._sftp=paramiko.SFTPClient.from_transport(self._transport)
self._sftp.put(localpath, remotepath)#执行命令
defexec_command(self, command):if self._client isNone:
self._client=paramiko.SSHClient()
self._client._transport=self._transport
stdin, stdout, stderr=self._client.exec_command(command)
data=stdout.read()if len(data) >0:print data.strip() #打印正确结果
returndata
err=stderr.read()if len(err) >0:print err.strip() #输出错误结果
returnerrdefclose(self):ifself._transport:
self._transport.close()ifself._client:
self._client.close()if __name__ == "__main__":
conn= SSHConnection('192.168.87.200', 22, 'username', 'password')
localpath= 'hello.txt'remotepath= '/home/hupeng/WorkSpace/Python/test/hello.txt'
print 'downlaod start'conn.download(remotepath, localpath)print 'download end'
print 'put begin'conn.put(localpath, remotepath)print 'put end'conn.exec_command('whoami')
conn.exec_command('cd WorkSpace/Python/test;pwd') #cd需要特别处理
conn.exec_command('pwd')
conn.exec_command('tree WorkSpace/Python/test')
conn.exec_command('ls -l')
conn.exec_command('echo "hello python" > python.txt')
conn.exec_command('ls hello') #显示错误信息
conn.close()
