Question

下面是硒python代码，我试图通过selenium发送登录详细信息来单击“登录”。但是，当我使用find_element_by_id方法查找用户名和密码输入区域时，脚本会引发错误 Message: no such element: Unable to locate element: {"method":"css selector","selector":"[id="usernameOrEmail"]"}。但是，当我检查输入文字类型的网页时，它会显示出我在脚本中提到的相同ID。

P.S：当硒打开浏览器时，请最大化窗口，否则代码将不起作用

from selenium import webdriver
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support.ui import WebDriverWait
driver = webdriver.Chrome(executable_path='C://Arighna/chromedriver.exe')
driver.get("https://www.fool.com/")
print(driver.title)
mybutton = driver.find_element_by_id('login-menu-item')
mybutton.click()
delay = 5
WebDriverWait(driver,delay)
email_area = driver.find_element_by_id('usernameOrEmail')
email.send_keys(Keys.ENTER)
email_area.send_keys('ar')
WebDriverWait(driver,delay)

pwd_area = driver.find_element_by_id('password')
pwd_area.send_keys(Keys.ENTER)
pwd_area.send_keys('1234')
WebDriverWait(driver,delay)


login_btn = driver.find_element_by_id('btn-login')
login_btn.click()

我们非常感谢您的帮助。

Answer 1

我修改了上面的代码，使之生效。

from selenium import webdriver
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By

options = Options()
options.add_argument("start-maximized")
options.add_argument("disable-infobars")
options.add_argument("--disable-extensions")
driver = webdriver.Chrome(chrome_options=options, executable_path='C://Arighna//chromedriver.exe')
driver.get("https://www.fool.com/")
mybutton = driver.find_element_by_id('login-menu-item')
mybutton.click()


WebDriverWait(driver, 20).until(
EC.element_to_be_clickable((By.XPATH, "//input[@id='usernameOrEmail']"))
)
driver.find_element_by_xpath("//input[@id='usernameOrEmail']").send_keys("Selenium")


WebDriverWait(driver, 20).until(
EC.element_to_be_clickable((By.XPATH, "//input[@id='password']"))
)
driver.find_element_by_xpath("//input[@id='password']").send_keys("Selenium")

singin_bttn = driver.find_element_by_id('btn-login')
singin_bttn.click()

Answer 2

要将字符序列发送到电子邮件/用户名字段，您需要为element_to_be_clickable()引出WebDriverWait，并且可以使用以下任一方法以下Locator Strategies：

使用CSS_SELECTOR：

driver.get('https://www.fool.com/')
WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.CSS_SELECTOR, "div#login-menu-item"))).click()
WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.CSS_SELECTOR, "input#usernameOrEmail"))).send_keys("SouradipRoy")

使用XPATH：

driver.get('https://www.fool.com/')
WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.XPATH, "//div[@id='login-menu-item']"))).click()
WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.XPATH, "//input[@id='usernameOrEmail']"))).send_keys("SouradipRoy")

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

浏览器快照：

fool

参考文献

您可以在NoSuchElementException上找到一些相关的讨论：

硒无法按ID定位元素

2 个答案:

参考文献