把下面的这个代码保存到.py格式的文档中。运行即可。

#!/usr/bin/env python
# Filename: backup_ver2.py
#-*-coding:utf-8 -*-
#run on win7 OS

import os
import time

# 1. The files and directories to be backed up are specified in a list.
source=[r'C:\Users\Administrator\Desktop\test\a',r'C:\Users\Administrator\Desktop\test\b']
# If you are using Windows, use source=[r'C:\Documents',r'D:\Work'] or something like that

# 2. The backup must be stored in a main backup directory
target_dir=r'C:\Users\Administrator\Desktop\test\backup\bakTest'
#Remember to change this to what you will be using

# 3. The files are backed up into a zip file
# 4. The current day is the name of the subdirectory in the main directory
today=target_dir+time.strftime('%Y%m%d')
# The current time is the name of the zip archive
now=time.strftime('%H%M%S')

# Take a comment from the user to create the name of the zip file
comment = raw_input('Enter a comment --> ')
if len(comment) == 0: # check if a comment was entered
    target = today + os.sep + now +'.zip'
else:
    target = today + os.sep + now + '_' +\
    comment.replace(' ', '_') + '.zip' 


# Create the subdirectory if it isn't already there
if not os.path.exists(today):
    os.mkdir(today) # make directory
    print 'Successfully created directory',today

# The name of the zip file
#target=today+os.sep+now+'.zip'

# 5. We use the zip command (in Unix/Linux) to put the files in a zip archive
zip_command="WinRAR a -r   -ep1 %s %s" %(target,' '.join(source))


# Run the backup
if os.system(zip_command)==0:
    print 'Successful backup to',target
else:
    print 'Backup FAILED'