我似乎不能把所有的元素都放在网页上。不管我用过什么硒。我肯定我错过了什么。这是我的密码。该url至少有30个元素,但每当我刮擦时,只有6个元素返回。我遗漏了什么?
import requests
import webbrowser
import time
from bs4 import BeautifulSoup as bs
from selenium import webdriver
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By
from selenium.common.exceptions import NoSuchElementException
headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36'}
url = 'https://www.adidas.com/us/men-shoes-new_arrivals'
res = requests.get(url, headers = headers)
page_soup = bs(res.text, "html.parser")
containers = page_soup.findAll("div", {"class": "gl-product-card-container show-variation-carousel"})
print(len(containers))
#for each container find shoe model
shoe_colors = []
for container in containers:
if container.find("div", {'class': 'gl-product-card__reviews-number'}) is not None:
shoe_model = container.div.div.img["title"]
review = container.find('div', {'class':'gl-product-card__reviews-number'})
review = int(review.text)
driver = webdriver.Chrome()
driver.get(url)
time.sleep(5)
shoe_prices = driver.find_elements_by_css_selector('.gl-price')
for price in shoe_prices:
print(price.text)
print(len(shoe_prices))
发布于 2018-12-08 19:39:31
因此,在使用代码试用版时,结果似乎有一些不同。
该网站上的这些项是通过懒惰加载动态生成的,因此您必须使用scrollDown
并等待HTML DOM中呈现的新元素,您可以使用以下解决方案:
发布于 2018-12-08 09:55:30
你得慢慢地向下滚动。它只在查看产品时使用ajax请求价格数据。
options = Options()
options.add_argument('--start-maximized')
driver = webdriver.Chrome(options=options)
url = 'https://www.adidas.com/us/men-shoes-new_arrivals'
driver.get(url)
scroll_times = len(driver.find_elements_by_class_name('col-s-6')) / 4 # (divide by 4 column product per row)
scrolled = 0
scroll_size = 400
while scrolled < scroll_times:
driver.execute_script('window.scrollTo(0, arguments[0]);', scroll_size)
scrolled +=1
scroll_size += 400
time.sleep(1)
shoe_prices = driver.find_elements_by_class_name('gl-price')
for price in shoe_prices:
print(price.text)
print(len(shoe_prices))
https://stackoverflow.com/questions/53680597
复制相似问题