python爬虫入门教程之点点美女图片爬虫代码分享

# -*- coding: utf-8 -*- #--------------------------------------- #  程序：点点美女图片爬虫 #  版本：0.2 #  作者：zippera #  日期：2013-07-26 #  语言：Python 2.7 #  说明：能设置下载的页数 #---------------------------------------  import urllib2import urllibimport re   pat = re.compile('<div class="feed-big-img">/n.*?imgsrc="(ht.*?)/".*?')nexturl1 = "http://www.diandian.com/tag/%E7%BE%8E%E5%A5%B3?page="  count = 1 while count < 2:   print "Page " + str(count) + "/n"  myurl = nexturl1 + str(count)  myres = urllib2.urlopen(myurl)  mypage = myres.read()  ucpage = mypage.decode("utf-8") #转码   mat = pat.findall(ucpage)           if len(mat):    cnt = 1    for item in mat:      print "Page" + str(count) + " No." + str(cnt) + " url: " + item + "/n"      cnt += 1      fnp = re.compile('(/w{10}/./w+)$')      fnr = fnp.findall(item)      if fnr:        fname = fnr[0]        urllib.urlretrieve(item, fname)      else:    print "no data"      count += 1