#!/usr/bin/python
#-*- coding: utf-8 -*-

from ftplib import FTP

def ftpconnect()
	ftp_server = 'ftp.python.org'
	username = '*****'
	password = ******''
	ftp=FTP()
	ftp.set_debuglevel(2) #開啟除錯級別2，顯示詳細資訊
	ftp.connect(ftp_server,21) #連線
	ftp.login(username,password) #登入，如果匿名登入則用空串代替即可
	return ftp
	
def downloadfile()
	remotepath = "/home/pub/dog.jpg";
	ftp = ftpconnect()
	print ftp.getwelcome() #顯示ftp伺服器歡迎資訊
	bufsize = 1024 #設定緩衝塊大小
	localpath = 'f:\\test\\dog.jpg'
	fp = open(localpath,'wb') #以寫模式在本地開啟檔案
	ftp.retrbinary('RETR ' + remotepath,fp.write,bufsize) #接收伺服器上檔案並寫入本地檔案
	ftp.set_debuglevel(0) #關閉除錯
	fp.close()
	ftp.quit() #退出ftp伺服器
<br>
def uploadfile()

	remotepath = "/home/pub/dog.jpg"
	ftp = ftpconnect()
	bufsize = 1024
	localpath = 'f:\\test\\dog.jpg'
	fp = open(localpath,'rb')
	ftp.storbinary('STOR '+ remotepath ,fp,bufsize) #上傳檔案
	ftp.set_debuglevel(0)
	fp.close() #關閉檔案
	ftp.quit()
<br>
<br>

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