import requests from bs4 import BeautifulSoup# import io # import sys # sys.stdout = io.TextIOWrapper(sys.stdout.buffer,encoding='gb18030') # 改變標準輸出的默認編碼headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.163 Safari/537.36','Cookie': 'antipas=9e2f7r9Zdt73Aa5Np1551282931; uuid=6ad2765a-20f5-4965-fa16-775aaa16a524; cityDomain=qinyan; clueSourceCode=%2A%2300; user_city_id=1001984; Hm_lvt_936a6d5df3f3d309bda39e92da3dd52f=1589072257; ganji_uuid=3010858154925758839406; sessionid=d16a17f2-bbb1-4796-a60d-78754a64fd89; lg=1; close_finance_popup=2020-05-10; lng_lat=112.897858_35.042336; gps_type=1; cainfo=%7B%22ca_a%22%3A%22-%22%2C%22ca_b%22%3A%22-%22%2C%22ca_s%22%3A%22seo_baidu%22%2C%22ca_n%22%3A%22default%22%2C%22ca_medium%22%3A%22-%22%2C%22ca_term%22%3A%22-%22%2C%22ca_content%22%3A%22-%22%2C%22ca_campaign%22%3A%22-%22%2C%22ca_kw%22%3A%22-%22%2C%22ca_i%22%3A%22-%22%2C%22scode%22%3A%22-%22%2C%22keyword%22%3A%22-%22%2C%22ca_keywordid%22%3A%22-%22%2C%22display_finance_flag%22%3A%22-%22%2C%22platform%22%3A%221%22%2C%22version%22%3A1%2C%22client_ab%22%3A%22-%22%2C%22guid%22%3A%226ad2765a-20f5-4965-fa16-775aaa16a524%22%2C%22ca_city%22%3A%22jiaozuo%22%2C%22sessionid%22%3A%22d16a17f2-bbb1-4796-a60d-78754a64fd89%22%7D; preTime=%7B%22last%22%3A1589072287%2C%22this%22%3A1589072255%2C%22pre%22%3A1589072255%7D; Hm_lpvt_936a6d5df3f3d309bda39e92da3dd52f=1589072289', }# 獲取網頁信息 def get_html(url):print("======正在保存{}頁數據======".format(page))try:html = requests.get(url,headers=headers).contenthtml = html.decode('utf-8')return htmlexcept:return '產生異常'# 提取數據 def parse_html(html):# 解析數據soup = BeautifulSoup(html,'html.parser')list = soup.find('ul',{'class':'carlist clearfix js-top'}).find_all('li') # 包含所有車輛信息的最小父級path = r'C:\Users\DELL\Desktop\python_wd\瓜子二手車.csv'with open(path,'a',encoding='utf-8')as f:for i in list:name = i.find('h2',class_="t").get_text()number = i.find('div',class_="t-i").get_text().split('|')year = number[0]km = number[1]pic1 = i.find('p').get_text() # 售價try:pic2 = i.find('em',class_="line-through").get_text()except:pic2 = 'null'f.write("{},{},{},{},{}\n".format(name,year,km,pic1,pic2))print("\t保存信息車名:",name)# 主函數 入口 def main(page):start_url = 'https://www.guazi.com/qinyan/buy/o{}/#bread'.format(page)html = get_html(start_url)parse_html(html)if __name__ == '__main__':for page in range(1,6):main(page)

總結

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