目的：為了獲得二手房相關信息（包括小區，地址，戶型，年份，價格等）

1、獲取網頁數據

import requests from lxml import html etree = html.etreeheaders = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36'}url = 'https://hf.lianjia.com/ershoufang/' page_text = requests.get(url=url,headers=headers).text

2、數據解析

tree = etree.HTML(page_text)li_list = tree.xpath('//ul[@class="sellListContent"]/li')

3、用xpath解析出詳細信息

for li in li_list :title = li.xpath('.//div[@class="title"]/a/text()')houseIcon = li.xpath('.//div[@class="houseInfo"]/text()')target = li.xpath('.//div[@class="positionInfo"]/a/text()')money = li.xpath('.//div[@class="totalPrice totalPrice2"]/span/text()')titles = str(target+title+houseIcon+money) +'萬'+ '\n'print(titles)

完整代碼如下：

import requests from lxml import html etree = html.etreeheaders = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36'}url = 'https://hf.lianjia.com/ershoufang/' page_text = requests.get(url=url,headers=headers).text# 數據解析 tree = etree.HTML(page_text)li_list = tree.xpath('//ul[@class="sellListContent"]/li') # print(li_list) fp = open('D:\各種資料\合肥二手房.txt','w',encoding='utf-8')for li in li_list :title = li.xpath('.//div[@class="title"]/a/text()')houseIcon = li.xpath('.//div[@class="houseInfo"]/text()')target = li.xpath('.//div[@class="positionInfo"]/a/text()')money = li.xpath('.//div[@class="totalPrice totalPrice2"]/span/text()')titles = str(target+title+houseIcon+money) +'萬'+ '\n'print(titles)fp.write(titles)

總結

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