selenium操作

import os
import time
from selenium import webdriver
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By
from selenium.common.exceptions import NoSuchElementException

chrome_driver = os.path.abspath(r"C:Program Files (x86)GoogleChromeApplicationchromedriver.exe")
os.environ["webdriver.chrome.driver"] = chrome_driver
driver = webdriver.Chrome(chrome_driver)
# driver = webdriver.Chrome()

driver.get("https://***")
driver.maximize_window()
try:

    b = WebDriverWait(driver, 5, 0.01).until(lambda x: driver.find_element_by_class_name("ux-modal_close"))
except NoSuchElementException as e:
    print("元素不存在")
else:
    b.click()

# 此处报错 Other element would receive the click，因为蒙板还没有消失
time.sleep(3)
try:
    b = WebDriverWait(driver, 5, 0.01).until(EC.visibility_of_element_located((By.ID, "j-index-nav-login")))
except NoSuchElementException as e:
    print("元素不存在")
else:
    b.click()

try:
    WebDriverWait(driver, 5).until(lambda x: driver.find_element_by_id("ux-modal"))
    b = WebDriverWait(driver, 5, 0.01).until(
        lambda x: driver.find_element_by_xpath("//ul[@class='ux-tabs-underline_hd']/li[2]"))
except NoSuchElementException as e:
    print("元素不存在")
else:
    b.click()

# 隐式等待
driver.implicitly_wait(30)
iframe = driver.find_element_by_tag_name("iframe")


# 切入 iframe
driver.switch_to_frame(iframe)
els = driver.find_element_by_xpath("//input[@name='email']")
# 利用js将为元素设置焦点
driver.execute_script("arguments[0].focus();", els)
els.clear()
els.send_keys("***")

driver.find_element_by_class_name("j-inputtext dlemail").send_keys("***")
driver.find_element_by_class_name("j-inputtext dlpwd").send_keys("***")
driver.find_element_by_class_name("f-cb loginbox").click()

# 切出 iframe
driver.switch_to_default_content()