我正在尝试使用BeautifulSoup库获取亚马逊产品的价格，但是当我运行代码时，尽管ID存在，但它返回None。
import requests
from bs4 import BeautifulSoup
URL = 'https://www.amazon.com/Silicone-Heat-Resistant-Spatulas-Non-stick-Stainless/dp/B01MR507HZ'
headers = {"User-Agent": 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36'}
page = requests.get(URL, headers=headers)
soup = BeautifulSoup(page.content, 'html.parser')
price = soup.find(id="priceblock_ourprice")
print(price)
我希望输出为$6.99，但实际输出为None。
答案 0 :(得分：2)
将解析器更改为lxml BeautifulSoup会找到您的标签：
import requests
from bs4 import BeautifulSoup
URL = 'https://www.amazon.com/Silicone-Heat-Resistant-Spatulas-Non-stick-Stainless/dp/B01MR507HZ'
headers = {"User-Agent": 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36'}
page = requests.get(URL, headers=headers)
soup = BeautifulSoup(page.content, 'lxml')
price = soup.find(id="priceblock_ourprice")
print(price)
price_float = float(price.text.replace('$', ''))
print(price_float)
打印：
<span class="a-size-medium a-color-price priceBlockBuyingPriceString" id="priceblock_ourprice">$6.99</span>
6.99
编辑：在此类问题中，运行diagnose()（doc）通常很有用