python---xpath使用

xpath語法

# coding:utf-8
import urllib2
from lxml import etree

var_quest = urllib2.Request("https://tieba.baidu.com/f?ie=utf-8&kw=%E5%A6%B9%E5%AD%90")
var_response = urllib2.urlopen(var_quest)

var_html = var_response.read()

var_content = etree.HTML(var_html)

var_list_xpath = var_content.xpath('//*[@id="thread_list"]//li/div/div[2]/div[1]/div[1]/a')


for i in var_list_xpath:
    print i.text