import csv import re import time import urllib2 from urlparse import urljoin from bs4 import BeautifulSoup BASE_URL = 'http://omaha.craigslist.org/sys/' URL = 'http://omaha.craigslist.org/sya/' FILENAME = '/Users/mona/python/craigstvs.txt' opener = urllib2.bui 浏览0提问于2014-09-06...