最近有朋友给我指出，我此前写的博文《用Python提取网页中的超链接》（原文地址：http://www.sunbloger.com/article/442.html）中，给出的代码在Python3下运行报错。下面给出在Python3的代码写法：
import urllib.request
import re
url = 'http://www.sunbloger.com/'
req = urllib.request.urlopen(url)
doc = req.read()
doc = doc.decode('utf-8')
links = re.findall(r'href\=\"(http\:\/\/[a-zA-Z0-9\.\/]+)\"', doc)
for a in links:
print(a)阳光部落原创，更多内容请访问http://www.sunbloger.com/