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 selenium.common.exceptions import TimeoutException from pyquery import PyQuery as pq option=webdriver.ChromeOptions() option.add_argument('--headless') browser = webdriver.Chrome(chrome_options=option) wait=WebDriverWait(browser, 10) def search(): try: browser.get("https://www.taobao.com") 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 TimeoutException: return search() def get_products(): wait.until(EC.presence_of_element_located((By.CSS_SELECTOR,'#mainsrp-itemlist .items .item'))) html = browser.page_source doc = pq(html) items = doc('#mainsrp-itemlist .items .item').items() #参见官网http://pyquery.readthedocs.io/en/latest/api.html for item in items: #以下使用pyquery选择器选择元素 product = { 'image':item.find('.pic .img').attr('src'), 'price':item.find('.price').text().replace(' ',''), 'deal':item.find('.deal-cnt').text()[:-3], 'title':item.find('.title').text().replace(' ',''), 'shop':item.find('.shop').text(), 'location':item.find('.location').text(), } print(product) def main(): total=search() total=int(re.compile('(d+)').search(total).group(1)) for i in range(2,total+1): next_page(i) browser.close() 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 TimeoutException: next_page(page_number) if __name__=='__main__': main()