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 urllib2
import urllib
import 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