无法使用硒找到元素 (python)

Question

所以我尝试查看网站中的 iframe，但无法弄清楚该元素属于何处。我试图通过 class 名称访问元素。下面是我的代码，这是网站。

from requests import get
from bs4 import BeautifulSoup
from selenium.webdriver import Chrome
from selenium.webdriver.chrome.options import Options
from selenium import webdriver

browser = webdriver.Chrome(executable_path= '/Users/abeelcf/Downloads/chromedriver')
browser.get('https://www.redfin.com')
zipcode = input("Enter a zip code to look up: ")
search_form = browser.find_element_by_id('search-box-input')
search_form.send_keys(zipcode)
search_form.submit()

#pg 2
browser.find_element_by_id("MapHomeCard_0")

URL是https://www.redfin.com/zipcode/20007

最后一行有问题。它找不到元素 MapHomeCard_0 说元素 没有这样的元素 .

Answer 1

您需要在 search_box 提交后等待页面加载，请使用网络驱动程序等待。

WebDriverWait(driver, 10).until(EC.presence_of_element_located((By.ID, 'MapHomeCard_0')))

同时导入以下内容

from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait 
from selenium.webdriver.support import expected_conditions as EC

Answer 2

定位需要归纳的元素 for the visibility_of_element_located() and you can use either of the following :

• 使用XPATH:

  driver.get('https://www.redfin.com')
  search_form = WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.XPATH, "//input[@class='search-input-box' and @id='search-box-input'][@title='City, Address, School, Agent, ZIP']")))
  search_form.send_keys("20007")
  search_form.submit()
  print(WebDriverWait(driver, 20).until(EC.visibility_of_element_located((By.XPATH, "//div[@class='homecards']/div[@id='MapHomeCard_0']"))).text)
  

• 使用CSS_SELECTOR:

  print(WebDriverWait(driver, 20).until(EC.visibility_of_element_located((By.CSS_SELECTOR, "div.homecards>div#MapHomeCard_0"))).text)
  

• 控制台输出：

  LISTED BY REDFIN
  3D WALKTHROUGH
  4,000
  1 Bed
  1 Bath
  1,014 Sq. Ft.
  2500 Q St NW #412, Washington, DC 20007
  

• 注意：您必须添加以下导入：

  from selenium.webdriver.support.ui import WebDriverWait
  from selenium.webdriver.common.by import By
  from selenium.webdriver.support import expected_conditions as EC
  

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