擅长:python、mysql、java
<p>所需的元素是动态元素,因此要发送<em>字符序列</em>,必须为<code>element_to_be_clickable()</code>诱导<em>WebDriverWait</em>,并且可以使用以下<a href="https://stackoverflow.com/questions/48369043/official-locator-strategies-for-the-webdriver/48376890#48376890">Locator Strategies</a>:</p>
<ul>
<li><p>使用<code>CSS_SELECTOR</code>:</p>
<pre><code>WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.CSS_SELECTOR, "input[aria-describedby='slfErrorAlert'][name='username']"))).send_keys("KOB")
</code></pre></li>
<li><p>使用<code>XPATH</code>:</p>
<pre><code>WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.XPATH, "//input[@aria-describedby='slfErrorAlert' and @name='username']"))).send_keys("KOB")
</code></pre></li>
<li><p><strong>注意</strong>:必须添加以下导入:</p>
<pre><code>from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC
</code></pre></li>
</ul>