无法发送密钥 selenium webdriver python [英] Can't send keys selenium webdriver python

问题描述

尝试执行简单的测试

from selenium import webdriver
from selenium.webdriver.common.keys import Keys

driver = webdriver.Firefox()

driver.get('http://google.com')
driver.find_element_by_name('q')
driver.send_keys('hey')

并得到错误

Traceback (most recent call last):
  File "C:/webdriver/test.py", line 8, in <module>
    driver.send_keys('hey')
AttributeError: 'WebDriver' object has no attribute 'send_keys'

有什么问题吗?

推荐答案

WebDriver 实例没有 send_keys() 方法.这就是错误的真正含义:

WebDriver instance does not have send_keys() method. That's what the error is actually about:

'WebDriver' 对象没有属性 'send_keys'

'WebDriver' object has no attribute 'send_keys'

在 WebElement 实例，由 find_element_by_*() 方法返回 - find_element_by_name() 在您的情况下:

Call send_keys() on a WebElement instance which is returned by find_element_by_*() methods - find_element_by_name() in your case:

element = driver.find_element_by_name('q')
element.send_keys("hey")

<小时>

仅供参考，还有一个ActionChains 类 有助于构建动作链或应用更复杂的动作，如拖放或鼠标移动.在这种情况下，这是一个开销，但仅举个例子:

---

And just FYI, there is also an ActionChains class which is useful do build up chains of actions or apply more complex actions like drag&drop or mouse move. It's an overhead in this case, but just for the sake of an example:

from selenium.webdriver.common.action_chains import ActionChains

actions = ActionChains(driver)
actions.move_to_element(element).send_keys("hey").perform()

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