python-爬图小样

python-爬某页面图

注意：python3+版本与python2有一定区别，需要注意多点。

 #! /usr/bin/env python3.5.4

 # coding=utf-8

 # 爬百度某贴吧页面图

 import urllib.request

 import re

 def get_html(url):

     page = urllib.request.urlopen(url)

     htmla = page.read()

     return htmla

 def get_img(htmlb):

     reg = r'src="(.+?\.jpg)" pic_ext'

     imgre = re.compile(reg)

     htmlb = htmlb.decode('utf-8')  # python3.5特性,必须添加

     imglist = re.findall(imgre, htmlb)

     x = 0

     for imgurl in imglist:

         urllib.request.urlretrieve(imgurl, '%s.jpg' % x)

         x += 1

 htmlb = get_html("http://tieba.baidu.com/p/2460150866")

 # 结尾要加换行符

 print(get_img(htmlb))