擅长:python、mysql、java
<p>使用webdriver等待的替代解决方案:</p>
<pre><code>from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium import webdriver
chrome_options = webdriver.ChromeOptions()
#chrome_options.add_argument(' headless')
chrome_options.add_argument(' no-sandbox')
chrome_options.add_argument(' disable-dev-shm-usage')
wd = webdriver.Chrome('<PATH_TO_CHROMEDRIVER>', options=chrome_options)
# load page via selenium
wd.get("https://www.halton.ca/For-Residents/Food-Safety/Dinewise/Search-Directory-of-Food-Premises-Dinewise")
# wait for iframe, switch to it
frame = WebDriverWait(wd, 30).until(EC.frame_to_be_available_and_switch_to_it((By.ID,"iframe-form")))
# wait for button, scroll to it, click it
btn = WebDriverWait(wd, 30).until(EC.presence_of_element_located((By.ID, 'btnOK')))
wd.execute_script("arguments[0].scrollIntoView();", btn)
wd.execute_script("arguments[0].click();", btn)
</code></pre>