selenium操作

 1 import os
 2 import time
 3 from selenium import webdriver
 4 from selenium.webdriver.support.wait import WebDriverWait
 5 from selenium.webdriver.support import expected_conditions as EC
 6 from selenium.webdriver.common.by import By
 7 from selenium.common.exceptions import NoSuchElementException
 8 
 9 chrome_driver = os.path.abspath(r"C:Program Files (x86)GoogleChromeApplicationchromedriver.exe")
10 os.environ["webdriver.chrome.driver"] = chrome_driver
11 driver = webdriver.Chrome(chrome_driver)
12 # driver = webdriver.Chrome()
13 
14 driver.get("https://***")
15 driver.maximize_window()
16 try:
17 
18     b = WebDriverWait(driver, 5, 0.01).until(lambda x: driver.find_element_by_class_name("ux-modal_close"))
19 except NoSuchElementException as e:
20     print("元素不存在")
21 else:
22     b.click()
23 
24 # 此处报错 Other element would receive the click，因为蒙板还没有消失
25 time.sleep(3)
26 try:
27     b = WebDriverWait(driver, 5, 0.01).until(EC.visibility_of_element_located((By.ID, "j-index-nav-login")))
28 except NoSuchElementException as e:
29     print("元素不存在")
30 else:
31     b.click()
32 
33 try:
34     WebDriverWait(driver, 5).until(lambda x: driver.find_element_by_id("ux-modal"))
35     b = WebDriverWait(driver, 5, 0.01).until(
36         lambda x: driver.find_element_by_xpath("//ul[@class='ux-tabs-underline_hd']/li[2]"))
37 except NoSuchElementException as e:
38     print("元素不存在")
39 else:
40     b.click()
41 
42 # 隐式等待
43 driver.implicitly_wait(30)
44 iframe = driver.find_element_by_tag_name("iframe")
45 
46 
47 # 切入 iframe
48 driver.switch_to_frame(iframe)
49 els = driver.find_element_by_xpath("//input[@name='email']")
50 # 利用js将为元素设置焦点
51 driver.execute_script("arguments[0].focus();", els)
52 els.clear()
53 els.send_keys("***")
54 
55 driver.find_element_by_class_name("j-inputtext dlemail").send_keys("***")
56 driver.find_element_by_class_name("j-inputtext dlpwd").send_keys("***")
57 driver.find_element_by_class_name("f-cb loginbox").click()
58 
59 # 切出 iframe
60 driver.switch_to_default_content()