擅长:python、mysql、java
<p>您试图访问的页面需要时间来加载。在访问元素之前,必须等待元素可见。在</p>
<p><strong>试试这个</strong>:</p>
<pre><code>from selenium import webdriver
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC
browser = webdriver.Firefox()
type(browser)
browser.get('https://forum-studienstiftung.de/')
emailEl = WebDriverWait(driver, 20).until(EC.presence_of_element_located((By.id, "username")))
</code></pre>