本文實例講述了Python使用ftplib實現簡易FTP客戶端的方法。分享給大家供大家參考。具體實現方法如下：
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 #!/usr/bin/python #-*- coding:utf-8 -*- from ftplib import FTP #加載ftp模塊 ftp=FTP() #設置變量 ftp.set_debuglevel(2) #打開調試級別2，顯示詳細信息 ftp.connect("IP","port") #連接的ftp sever和端口 ftp.login("user","password")#連接的用戶名，密碼 print ftp.getwelcome() #打印出歡迎信息 ftp.cmd("xxx/xxx") #更改遠程目錄 bufsize=1024 #設置的緩沖區大小 filename="filename.txt" #需要下載的文件 file_handle=open(filename,"wb").write #以寫模式在本地打開文件 ftp.retrbinaly("RETR filename.txt",file_handle,bufsize) #接收服務器上文件並寫入本地文件 ftp.set_debuglevel(0) #關閉調試模式 ftp.quit #退出ftp ftp.dir() #顯示目錄下文件信息 ftp.mkd(pathname) #新建遠程目錄 ftp.pwd() #返回當前所在位置 ftp.rmd(dirname) #刪除遠程目錄 ftp.delete(filename) #刪除遠程文件 ftp.rename(fromname, toname)#將fromname修改名稱為toname。 ftp.storbinaly("STOR filename.txt",file_handel,bufsize) #上傳目標文件一個FTP完整實例：
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 #coding:utf-8 from ctypes import * import os import sys import ftplib class myFtp: ftp = ftplib.FTP() bIsDir = False path = "" def __init__(self, host, port='21'): self.ftp.set_debuglevel(2) #打開調試級別2，顯示詳細信息 #self.ftp.set_pasv(0) #0主動模式 1 #被動模式 self.ftp.connect( host, port ) def Login(self, user, passwd ): self.ftp.login( user, passwd ) print self.ftp.welcome def DownLoadFile( self, LocalFile, RemoteFile ): file_handler = open( LocalFile, 'wb' ) self.ftp.retrbinary( "RETR %s" %( RemoteFile ), file_handler.write ) file_handler.close() return True def UpLoadFile( self, LocalFile, RemoteFile ): if os.path.isfile( LocalFile ) == False: return False file_handler = open( LocalFile, "rb" ) self.ftp.storbinary( 'STOR %s'%RemoteFile, file_handler, 4096 ) file_handler.close() return True def UpLoadFileTree( self, LocalDir, RemoteDir ): if os.path.isdir( LocalDir ) == False: return False LocalNames = os.listdir( LocalDir ) print RemoteDir self.ftp.cwd( RemoteDir ) for Local in LocalNames: src = os.path.join( LocalDir, Local) if os.path.isdir( src ): self.UpLoadFileTree( src, Local ) else: self.UpLoadFile( src, Local ) self.ftp.cwd( ".." ) return def DownLoadFileTree( self, LocalDir, RemoteDir ): if os.path.isdir( LocalDir ) == False: os.makedirs( LocalDir ) self.ftp.cwd( RemoteDir ) RemoteNames = self.ftp.nlst() for file in RemoteNames: Local = os.path.join( LocalDir, file ) if self.isDir( file ): self.DownLoadFileTree( Local, file ) else: self.DownLoadFile( Local, file ) self.ftp.cwd( ".." ) return def show( self, list ): result = list.lower().split( " " ) if self.path in result and "<dir>" in result: self.bIsDir = True def isDir( self, path ): self.bIsDir = False self.path = path #this ues callback function ,that will change bIsDir value self.ftp.retrlines( 'LIST', self.show ) return self.bIsDir def close( self ): self.ftp.quit() ftp = myFtp('********') ftp.Login('*****','*****') #ftp.DownLoadFile('TEST.TXT', 'othersruntime.log')#ok #ftp.UpLoadFile('runtime.log', 'othersruntime.log')#ok #ftp.DownLoadFileTree('bcd', 'othersabc')#ok #ftp.UpLoadFileTree('aaa',"others" ) ftp.close() print "ok!"希望本文所述對大家的Python程序設計有所幫助。
