selenium爬取淘宝翻页不成功，有大佬帮下忙吗

Question

from time import sleep
from selenium import webdriver
from selenium.webdriver.support.ui import WebDriverWait
from bs4 import BeautifulSoup

def login_info():
    #通过扫码的形式去登录淘宝账号
    browser.find_element_by_xpath('//*[@id="login"]/div[1]/i').click()
    sleep(5)
    #点击淘宝首页
    taobao_index = browser.find_element_by_xpath('//*[@id="J_SiteNavHome"]/div/a')
    taobao_index.click()
    sleep(1)
def search_product(value):
    # 标签定位
    search_input = browser.find_element_by_id('q')
    # 标签交互
    search_input.send_keys(value)
    # 执行一组js程序，拉到页面底部
    browser.execute_script('window.scrollTo(0,document.body.scrollHeight)')
    sleep(2)
    # 点击搜索按钮
    btn = browser.find_element_by_css_selector('.btn-search')
    btn.click()
def data(value):
    #获取商品信息

    shop_name_list = []
    shop_price_list = []
    shop_people_list = []
    shop_location_list = []
    a = 0
    b = 0
    for i in range(1,3):
        page = browser.page_source
        soup = BeautifulSoup(page, 'lxml')
        shop_data_list = soup.find('div', class_='grid g-clearfix').find_all_next('div', class_='items')
        for shop_data in shop_data_list:
            # 商品名称
            shop_image_data = shop_data.find_all('div',class_='pic')
            for shop_data_a in shop_image_data:
                shop_data_a = shop_data_a.find_all('a',class_='pic-link J_ClickStat J_ItemPicA')
                for shop_name in shop_data_a:
                    shop_name = shop_name.find_all('img')[0]['alt']
                    shop_name_list.append(shop_name)
            # 商品价格
            shop_price_data = shop_data.find_all('div',class_='price g_price g_price-highlight')
            for shop_price in shop_price_data:
                shop_price_list.append(shop_price.text.strip())
            # 付款人数
            shop_people_number_data = shop_data.find_all('div',class_='deal-cnt')
            for shop_people_number in shop_people_number_data:
                shop_people_list.append(shop_people_number.text)
            #地址
            shop_location_data = shop_data.find_all('div',class_='location')
            for shop_location in shop_location_data:
                shop_location_list.append(shop_location.text)
        # 执行一组js程序，拉到页面底部
        browser.execute_script('window.scrollTo(0,document.body.scrollHeight)')
        sleep(2)
        shop_data = zip(shop_name_list,shop_price_list,shop_people_list,shop_location_list)
        for data in shop_data:
            print(data)
            a += 1
        browser.get(f"https://s.taobao.com/search?q={value}&s={b}")
        b += 44
    print('已成功爬取：%s条信息'%a)

if __name__ == '__main__':
    browser = webdriver.Chrome(executable_path='./chromedriver')

    taobao_index = browser.get('https://login.taobao.com/member/login.jhtml')
    # 窗口最大化
    browser.maximize_window()
    wait = WebDriverWait(browser, 10)
    login_info()
    value = input("请输入你要查询的关键词：")
    search_product(value)
    data(value)

Answer 1

data中不是循环了两次吗？所以最多爬取两页的数据。有一个问题，

browser.get(f"https://s.taobao.com/search?q={value}&s={b}")
b += 44

这两条语句的顺序反了，先改变b的值，再去get。

建议可以通过模拟点击翻页按钮来爬取。