python爬虫爬取淘宝商品信息

话不多说，直接上代码！

import re
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from pyquery import PyQuery as pq

browser = webdriver.Chrome()
wait = WebDriverWait(browser, 10)

def search():
    try:
        url = "https://www.taobao.com"
        browser.get(url)
        input = wait.until(EC.presence_of_element_located((By.CSS_SELECTOR, "#q")))
        submit = wait.until(
            EC.element_to_be_clickable((By.CSS_SELECTOR, '#J_TSearchForm > div.search-button > button')))
        input.send_keys('美食')
        submit.click()
        total = wait.until(
            EC.presence_of_element_located((By.CSS_SELECTOR, '#mainsrp-pager > div > div > div > div.total')))
        get_products()
        return total.text
    except:
        search()

def next_page(page_number):
    try:
        input = wait.until(
            EC.presence_of_element_located((By.CSS_SELECTOR, "#mainsrp-pager > div > div > div > div.form > input")))
        submit = wait.until(EC.element_to_be_clickable(
            (By.CSS_SELECTOR, '#mainsrp-pager > div > div > div > div.form > span.btn.J_Submit')))
        input.clear()
        input.send_keys(page_number)
        submit.click()
        wait.until(EC.text_to_be_present_in_element(
            (By.CSS_SELECTOR, '#mainsrp-pager > div > div > div > ul > li.item.active > span'), str(page_number)))
        get_products()
    except:
        next_page(page_number)

def get_products():
    html = browser.page_source
    doc = pq(html)
    items = doc('#mainsrp-itemlist .items .item').items()  # 得到所有宝贝的内容
    for item in items:
        product = {
            'image': item.find('.pic .img').attr('data-src'),  # 图片链接
            'price': item.find('.price').text(),  # 商品价格
            'deal': item.find('.deal-cnt').text()[:-3],  # 付款人数，-3是为了去掉人付款这几个字
            'title': item.find('.title').text(),  # 商品名称
            'shop': item.find('.shop').text(),  # 店铺名称
            'location': item.find('.location').text()
        }
        print(product)

def main():
    total = search()
    total = int(re.compile('(\d+)').search(total).group(1))  # 转换为数值型
    print(total)
    for i in range(2, total + 1):
        next_page(i)

if __name__ == '__main__':
    main()

运行结果：