我在从页面中抓取某些元素时遇到问题: https://tuning-tec.com/mercedes_w164_ml_mklasa_0507_black_led_seq_lpmed0-5789i
代码:
import requests
from bs4 import BeautifulSoup
URL="https://tuning-tec.com/mercedes_w164_ml_mklasa_0507_black_led_seq_lpmed0-5789i"
page = requests.get(URL)
soup = BeautifulSoup(page.content, 'html.parser')
title=soup.find(class_="product_cart_title").text
price=soup.find(class_="icon_main_block_price_a")
number=soup.find(class_="product_cart_info").findAll('tr')[1].findAll('td')[1]
description=soup.find(id="tab_a")
print(description)
问题是当我想要访问:tab_a
这是内部的问题
<div align="left" class="product_cart_info" id="charlong_id">
</div>
为空。我怎样才能得到它? 我认为它是关于 js 的。也许页面加载时有一些延迟?
最佳答案
正如评论中所述,该信息是通过 JavaScript 加载的,因此 BeautifulSoup 看不到它。但是,如果您查看 Chrome/Firefox 网络选项卡,您可以看到页面在何处发出请求:
import re
import requests
from bs4 import BeautifulSoup
url = 'https://tuning-tec.com/mercedes_w164_ml_mklasa_0507_black_led_seq_lpmed0-5789i'
ajax_url = 'https://tuning-tec.com/_template/_show_normal/_show_charlong.php?itemId={}'
soup = BeautifulSoup(requests.get(url).content, 'html.parser')
print(soup.select_one('.product_cart_title').get_text(strip=True))
print(soup.select_one('.icon_main_block_price_a').get_text(strip=True))
print(soup.select_one('td:contains("Symbol") ~ td').get_text(strip=True))
item_id = re.findall(r"ajax_update_stat\('(\d+)'\)", soup.text)[0]
soup2 = BeautifulSoup(requests.get(ajax_url.format(item_id)).content, 'html.parser')
print()
# just print some info:
for tr in soup2.select('tr'):
print(re.sub(r' {2,}', ' ', tr.select_one('td').get_text(strip=True, separator=' ')))
打印:
MERCEDES W164 ML M-KLASA 05-07 BLACK LED SEQ
1788.62 PLN
LPMED0
PL
Opis
Lampy
soczewkowe ze światłem
pozycyjnym LED. Z dynamicznym
kierunkowskazem. 100% nowe, w komplecie
(lewa i prawa). Homologacja: norma E13 -
dopuszczone do ruchu.
Szczegóły
Światła pozycyjne: DIODY Kierunkowskaz: DIODY Światła
mijania: H9 w
zestawie Światła
drogowe: H1 w
zestawie Regulacja: elektryczna (silniczek znajduje się w
komplecie).
LED TUBE LIGHT Dynamic Turn Signal >>
关于Python 抓取空标签,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/59574852/