python 爬虫爬取京东ps4售卖情况_Python

代码

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									#!/usr/bin/env python

									# -*- coding: utf-8 -*-

									# @File : HtmlParser.py

									# @Author: 赵路仓

									# @Date : 2020/3/17

									# @Desc :

									# @Contact : 398333404@qq.com

									import json

									from lxml import etree

									import requests

									from bs4 import BeautifulSoup

									url="https://search.jd.com/Search?keyword=ps4&enc=utf-8&wq=ps4&pvid=cf0158c8664442799c1146a461478c9c"

									head={

									 'authority': 'search.jd.com',

									 'method': 'GET',

									 'path': '/s_new.php?keyword=%E6%89%8B%E6%9C%BA&enc=utf-8&qrst=1&rt=1&stop=1&vt=2&wq=%E6%89%8B%E6%9C%BA&cid2=653&cid3=655&page=4&s=84&scrolling=y&log_id=1529828108.22071&tpl=3_M&show_items=7651927,7367120,7056868,7419252,6001239,5934182,4554969,3893501,7421462,6577495,26480543553,7345757,4483120,6176077,6932795,7336429,5963066,5283387,25722468892,7425622,4768461',

									 'scheme': 'https',

									 'referer': 'https://search.jd.com/Search?keyword=%E6%89%8B%E6%9C%BA&enc=utf-8&qrst=1&rt=1&stop=1&vt=2&wq=%E6%89%8B%E6%9C%BA&cid2=653&cid3=655&page=3&s=58&click=0',

									 'user-agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36',

									 'x-requested-with': 'XMLHttpRequest',

									}

									def page(page):

									 print("开始")

									 url = "https://search.jd.com/Search?keyword=ps4&enc=utf-8&qrst=1&rt=1&stop=1&vt=1&wq=ps4&page="+page+"&s=181&click=0"

									 r=requests.get(url,timeout=3,headers=head)

									 r.encoding=r.apparent_encoding

									 # print(r.text)

									 b=BeautifulSoup(r.text,"html.parser")

									 #print(b.prettify())

									 _element = etree.HTML(r.text)

									 datas = _element.xpath('//li[contains(@class,"gl-item")]')

									 print(datas)

									 for data in datas:

									  p_price = data.xpath('div/div[@class="p-price"]/strong/i/text()')

									  p_comment = data.xpath('div/div[5]/strong/a/text()')

									  p_name = data.xpath('div/div[@class="p-name p-name-type-2"]/a/em/text()')

									  p_href = data.xpath('div/div[@class="p-name p-name-type-2"]/a/@href')

									  comment=' '.join(p_comment)

									  name = ' '.join(p_name)

									  price = ' '.join(p_price)

									  href = ' '.join(p_href)

									  print(name,price,p_comment,href)

									if __name__=="__main__":

									 page("5")