爬虫xpath不出网页表格内容
戈野 2016-11-13 05:47:59 用谷歌浏览器的xpath helper可以匹配出信息,但是运行以下代码却没有打印出内容,想知道为什么xpath不出内容
from lxml import etree
from urllib import request
url = "http://www.proxy.com.ru/list_1.html"
req = request.urlopen(url).read().decode("gb2312")
tree = etree.HTML(req)
for i in tree.xpath("//tbody/tr[position()>1]/td[3]"):
print(i.text)