python3.6 网络爬虫爬去图片

 
 
!/usr/python3
 
 
import re
 import urllib.request
 def gethtml(url):
 page=urllib.request.urlopen(url)
 html=page.read()
 return html
 def getimg(html):
 reg = r'src="(.*?.jpg)"'
 img=re.compile(reg)
 html=html.decode('utf-8')#python3
 imglist=re.findall(img,html)
 x = 0
 for imgurl in imglist:
 urllib.request.urlretrieve(imgurl,'%s.jpg'%x)
 x = x+1
 html=gethtml("http://sports.ifeng.com/a/20170623/51305326_0.shtml")
 print(getimg(html))